name term_id term_name term_namespace term_distance PO:0009012 PO:0009012 plant structure development stage Plant_structure_development_stage 0 PO:0001002 PO:0001002 fruit development stage Plant_structure_development_stage 1 PO:0025368 PO:0025368 trichome development stage Plant_structure_development_stage 1 PO:0007033 PO:0007033 whole plant development stage Plant_structure_development_stage 1 PO:0025339 PO:0025339 plant organ development stage Plant_structure_development_stage 1 PO:0001170 PO:0001170 seed development stage Plant_structure_development_stage 1 PO:0025338 PO:0025338 collective plant organ structure development stage Plant_structure_development_stage 1 PO:0025423 PO:0025423 plant tissue development stage Plant_structure_development_stage 1 PO:0025501 PO:0025501 fruit formation stage Plant_structure_development_stage 2 PO:0025424 PO:0025424 vascular tissue development stage Plant_structure_development_stage 2 PO:0004505 PO:0004505 fertilized ovule stage Plant_structure_development_stage 2 PO:0001040 PO:0001040 dry seed stage Plant_structure_development_stage 2 PO:0004506 PO:0004506 developing seed stage Plant_structure_development_stage 2 PO:0025374 PO:0025374 seed dormant stage Plant_structure_development_stage 2 PO:0025369 PO:0025369 seed trichome development stage Plant_structure_development_stage 2 PO:0025337 PO:0025337 life of whole plant stage Plant_structure_development_stage 2 PO:0007633 PO:0007633 endosperm development stage Plant_structure_development_stage 2 PO:0025502 PO:0025502 fruit ripening stage Plant_structure_development_stage 2 PO:0028003 PO:0028003 gametophyte development stage Plant_structure_development_stage 2 PO:0025527 PO:0025527 shoot system development stage Plant_structure_development_stage 2 PO:0007039 PO:0007039 leaf trichome development stage Plant_structure_development_stage 2 PO:0025578 PO:0025578 collective phyllome structure development stage Plant_structure_development_stage 2 PO:0007632 PO:0007632 seed maturation stage Plant_structure_development_stage 2 PO:0028002 PO:0028002 sporophyte development stage Plant_structure_development_stage 2 PO:0025371 PO:0025371 seed trichome elongation stage Plant_structure_development_stage 3 PO:0025530 PO:0025530 reproductive shoot system development stage Plant_structure_development_stage 3 PO:0025372 PO:0025372 seed trichome secondary wall biosynthesis stage Plant_structure_development_stage 3 PO:0007058 PO:0007058 2 endoreduplication stage Plant_structure_development_stage 3 PO:0025370 PO:0025370 seed trichome initiation stage Plant_structure_development_stage 3 PO:0007604 PO:0007604 corolla development stage Plant_structure_development_stage 3 PO:0007605 PO:0007605 androecium development stage Plant_structure_development_stage 3 PO:0007606 PO:0007606 gynoecium development stage Plant_structure_development_stage 3 PO:0025532 PO:0025532 bud burst stage Plant_structure_development_stage 3 PO:0007056 PO:0007056 1 pattern formation stage Plant_structure_development_stage 3 PO:0007603 PO:0007603 calyx development stage Plant_structure_development_stage 3 PO:0001096 PO:0001096 primary endosperm cell stage Plant_structure_development_stage 3 PO:0025373 PO:0025373 seed trichome maturation stage Plant_structure_development_stage 3 PO:0025506 PO:0025506 fruit size 30 to 50% stage Plant_structure_development_stage 3 PO:0025507 PO:0025507 fruit size 50 to 70% stage Plant_structure_development_stage 3 PO:0025505 PO:0025505 fruit size 10 to 30% stage Plant_structure_development_stage 3 PO:0007135 PO:0007135 4 growth directionality stage Plant_structure_development_stage 3 PO:0025426 PO:0025426 phloem development stage Plant_structure_development_stage 3 PO:0025425 PO:0025425 xylem development stage Plant_structure_development_stage 3 PO:0025504 PO:0025504 fruit size up to 10% stage Plant_structure_development_stage 3 PO:0025503 PO:0025503 fruit initiation stage Plant_structure_development_stage 3 PO:0025508 PO:0025508 fruit size 70% to final size stage Plant_structure_development_stage 3 PO:0001041 PO:0001041 chalazal and micropylar domain establishment stage Plant_structure_development_stage 3 PO:0001042 PO:0001042 functional specialization of the endosperm stage Plant_structure_development_stage 3 PO:0025528 PO:0025528 bud development stage Plant_structure_development_stage 3 PO:0007059 PO:0007059 3 branch formation stage Plant_structure_development_stage 3 PO:0001097 PO:0001097 plant zygote stage Plant_structure_development_stage 4 PO:0007600 PO:0007600 floral organ differentiation stage Plant_structure_development_stage 4 PO:0007130 PO:0007130 sporophyte reproductive stage Plant_structure_development_stage 4 PO:0001099 PO:0001099 formation of aleurone and starchy layers stage Plant_structure_development_stage 4 PO:0007017 PO:0007017 sporophyte senescent stage Plant_structure_development_stage 4 PO:0007134 PO:0007134 sporophyte vegetative stage Plant_structure_development_stage 4 PO:0007132 PO:0007132 sporophyte dormant stage Plant_structure_development_stage 4 PO:0007520 PO:0007520 root development stage Plant_structure_development_stage 4 PO:0007615 PO:0007615 flower development stage Plant_structure_development_stage 4 PO:0001083 PO:0001083 inflorescence development stage Plant_structure_development_stage 4 PO:0025531 PO:0025531 bud swell stage Plant_structure_development_stage 4 PO:0025579 PO:0025579 phyllome development stage Plant_structure_development_stage 4 PO:0025375 PO:0025375 plant spore stage Plant_structure_development_stage 4 PO:0025343 PO:0025343 gametophyte senescent stage Plant_structure_development_stage 4 PO:0025342 PO:0025342 gametophyte dormant stage Plant_structure_development_stage 4 PO:0025341 PO:0025341 gametophyte reproductive stage Plant_structure_development_stage 4 PO:0025340 PO:0025340 gametophyte vegetative stage Plant_structure_development_stage 4 PO:0025427 PO:0025427 secondary xylem development stage Plant_structure_development_stage 4 PO:0025529 PO:0025529 bud dormancy stage Plant_structure_development_stage 4 PO:0025376 PO:0025376 plant spore dormant stage Plant_structure_development_stage 5 PO:0025500 PO:0025500 whole plant fruit development stage Plant_structure_development_stage 5 PO:0025475 PO:0025475 coleorhiza emergence stage Plant_structure_development_stage 5 PO:0007073 PO:0007073 2 formation of axillary shoot stage Plant_structure_development_stage 5 PO:0007057 PO:0007057 0 seed germination stage Plant_structure_development_stage 5 PO:0025585 PO:0025585 floral organ formation stage Plant_structure_development_stage 5 PO:0007047 PO:0007047 whole plant inflorescence detectable stage Plant_structure_development_stage 5 PO:0007045 PO:0007045 coleoptile emergence stage Plant_structure_development_stage 5 PO:0025588 PO:0025588 flower meristem transition stage Plant_structure_development_stage 5 PO:0007037 PO:0007037 inflorescence bifurcation stage Plant_structure_development_stage 5 PO:0007131 PO:0007131 seedling development stage Plant_structure_development_stage 5 PO:0025469 PO:0025469 cell differentiation stage of secondary xylem Plant_structure_development_stage 5 PO:0025463 PO:0025463 cell division stage of secondary xylem Plant_structure_development_stage 5 PO:0021004 PO:0021004 inflorescence initiation stage Plant_structure_development_stage 5 PO:0007631 PO:0007631 plant embryo stage Plant_structure_development_stage 5 PO:0030006 PO:0030006 protonema whole plant development stage Plant_structure_development_stage 5 PO:0007616 PO:0007616 flowering stage Plant_structure_development_stage 5 PO:0025344 PO:0025344 gametophore reproductive whole plant development stage Plant_structure_development_stage 5 PO:0025345 PO:0025345 gametophore vegetative whole plant development stage Plant_structure_development_stage 5 PO:0025346 PO:0025346 thallus reproductive whole plant development stage Plant_structure_development_stage 5 PO:0025347 PO:0025347 thallus vegetative whole plant development stage Plant_structure_development_stage 5 PO:0007527 PO:0007527 2 root meristem formation stage Plant_structure_development_stage 5 PO:0007525 PO:0007525 3 establishment of tissue systems stage Plant_structure_development_stage 5 PO:0025377 PO:0025377 plant embryo dormant stage Plant_structure_development_stage 5 PO:0007519 PO:0007519 5 root hair formation stage Plant_structure_development_stage 5 PO:0007505 PO:0007505 1 root primordium formation stage Plant_structure_development_stage 5 PO:0007112 PO:0007112 1 main shoot growth stage Plant_structure_development_stage 5 PO:0001049 PO:0001049 lodicule development stage Plant_structure_development_stage 5 PO:0007016 PO:0007016 whole plant flowering stage Plant_structure_development_stage 5 PO:0007015 PO:0007015 radicle emergence stage Plant_structure_development_stage 5 PO:0001050 PO:0001050 leaf development stage Plant_structure_development_stage 5 PO:0001047 PO:0001047 lemma development stage Plant_structure_development_stage 5 PO:0001048 PO:0001048 palea development stage Plant_structure_development_stage 5 PO:0001031 PO:0001031 4 root elongation stage Plant_structure_development_stage 5 PO:0007601 PO:0007601 floral organ meristem development stage Plant_structure_development_stage 6 PO:0004507 PO:0004507 D bilateral stage Plant_structure_development_stage 6 PO:0007602 PO:0007602 floral organ primordium development stage Plant_structure_development_stage 6 PO:0007080 PO:0007080 2.03 main shoot and axillary shoots visible at three nodes stage Plant_structure_development_stage 6 PO:0007122 PO:0007122 2.07 main shoot and axillary shoots visible at seven nodes stage Plant_structure_development_stage 6 PO:0007077 PO:0007077 2.08 main shoot and axillary shoots visible at eight nodes stage Plant_structure_development_stage 6 PO:0001185 PO:0001185 C globular stage Plant_structure_development_stage 6 PO:0001180 PO:0001180 B proembryo stage Plant_structure_development_stage 6 PO:0001095 PO:0001095 true leaf formation stage Plant_structure_development_stage 6 PO:0001094 PO:0001094 coleoptilar stage Plant_structure_development_stage 6 PO:0007087 PO:0007087 2.01 main shoot and axillary shoots visible at one node stage Plant_structure_development_stage 6 PO:0007088 PO:0007088 2.04 main shoot and axillary shoots visible at four nodes stage Plant_structure_development_stage 6 PO:0007089 PO:0007089 stem elongation stage Plant_structure_development_stage 6 PO:0007113 PO:0007113 rosette growth stage Plant_structure_development_stage 6 PO:0007010 PO:0007010 whole plant fruit ripening stage Plant_structure_development_stage 6 PO:0007110 PO:0007110 2.09 main shoot and axillary shoots visible at nine or more nodes stage Plant_structure_development_stage 6 PO:0007118 PO:0007118 2.06 main shoot and axillary shoots visible at six nodes stage Plant_structure_development_stage 6 PO:0007133 PO:0007133 leaf production stage Plant_structure_development_stage 6 PO:0007006 PO:0007006 IL.00 inflorescence just visible stage Plant_structure_development_stage 6 PO:0007005 PO:0007005 IL.02 1/2 inflorescence length reached stage Plant_structure_development_stage 6 PO:0007501 PO:0007501 root cap formation stage Plant_structure_development_stage 6 PO:0007504 PO:0007504 crown root primordium formation stage Plant_structure_development_stage 6 PO:0007003 PO:0007003 IL.03 full inflorescence length reached stage Plant_structure_development_stage 6 PO:0007506 PO:0007506 primary root primordium formation stage Plant_structure_development_stage 6 PO:0007509 PO:0007509 root vascular cylinder differentiation stage Plant_structure_development_stage 6 PO:0007511 PO:0007511 lateral root primordium formation stage Plant_structure_development_stage 6 PO:0007093 PO:0007093 2.05 main shoot and axillary shoots visible at five nodes stage Plant_structure_development_stage 6 PO:0007513 PO:0007513 root cortex differentiation stage Plant_structure_development_stage 6 PO:0007516 PO:0007516 root epidermal differentiation stage Plant_structure_development_stage 6 PO:0007071 PO:0007071 2.02 main shoot and axillary shoots visible at two nodes stage Plant_structure_development_stage 6 PO:0001081 PO:0001081 F mature embryo stage Plant_structure_development_stage 6 PO:0007053 PO:0007053 FL.02 1/2 of flowers open stage Plant_structure_development_stage 6 PO:0007022 PO:0007022 seed imbibition stage Plant_structure_development_stage 6 PO:0007046 PO:0007046 IL.01 1/4 inflorescence length reached stage Plant_structure_development_stage 6 PO:0025465 PO:0025465 secondary cell wall formation stage of secondary xylem Plant_structure_development_stage 6 PO:0025466 PO:0025466 cell death stage of secondary xylem Plant_structure_development_stage 6 PO:0007043 PO:0007043 hypocotyl emergence stage Plant_structure_development_stage 6 PO:0007042 PO:0007042 whole plant fruit formation stage Plant_structure_development_stage 6 PO:0007041 PO:0007041 inflorescence emergence stage Plant_structure_development_stage 6 PO:0007024 PO:0007024 FL.04 end of flowering stage Plant_structure_development_stage 6 PO:0007049 PO:0007049 cotyledon emergence stage Plant_structure_development_stage 6 PO:0007034 PO:0007034 FL.01 1/4 of flowers open stage Plant_structure_development_stage 6 PO:0007026 PO:0007026 FL.00 first flower(s) open stage Plant_structure_development_stage 6 PO:0007030 PO:0007030 seedling shoot emergence stage Plant_structure_development_stage 6 PO:0025464 PO:0025464 cell expansion stage of secondary xylem Plant_structure_development_stage 6 PO:0001051 PO:0001051 1 leaf initiation stage Plant_structure_development_stage 6 PO:0001054 PO:0001054 4 leaf senescence stage Plant_structure_development_stage 6 PO:0001053 PO:0001053 3 leaf fully expanded stage Plant_structure_development_stage 6 PO:0001078 PO:0001078 E expanded cotyledon stage Plant_structure_development_stage 6 PO:0001052 PO:0001052 2 leaf expansion stage Plant_structure_development_stage 6 PO:0007054 PO:0007054 epicotyl emergence stage Plant_structure_development_stage 6 PO:0007052 PO:0007052 FL.03 3/4 of flowers open stage Plant_structure_development_stage 6 PO:0007510 PO:0007510 root emergence stage Plant_structure_development_stage 6 PO:0007009 PO:0007009 whole plant fruit formation stage 10 to 30% Plant_structure_development_stage 7 PO:0007008 PO:0007008 IE.02 1/2 of inflorescence emerged from flag leaf sheath stage Plant_structure_development_stage 7 PO:0007518 PO:0007518 crown root emergence stage Plant_structure_development_stage 7 PO:0025468 PO:0025468 secondary xylem parenchyma cell death stage of secondary xylem Plant_structure_development_stage 7 PO:0007123 PO:0007123 LP.06 six leaves visible stage Plant_structure_development_stage 7 PO:0001019 PO:0001019 formation of leaf primordium stage Plant_structure_development_stage 7 PO:0001003 PO:0001003 formation of the leaf founder cells stage Plant_structure_development_stage 7 PO:0007120 PO:0007120 LP.19 nineteen leaves visible stage Plant_structure_development_stage 7 PO:0007119 PO:0007119 LP.16 sixteen leaves visible stage Plant_structure_development_stage 7 PO:0001020 PO:0001020 hood-shaped primordium stage Plant_structure_development_stage 7 PO:0001021 PO:0001021 formation of ligule primordium stage Plant_structure_development_stage 7 PO:0007002 PO:0007002 IE.03 3/4 of inflorescence emerged from flag leaf sheath stage Plant_structure_development_stage 7 PO:0007001 PO:0007001 early whole plant fruit ripening stage Plant_structure_development_stage 7 PO:0025467 PO:0025467 tracheary element death stage of secondary xylem Plant_structure_development_stage 7 PO:0007517 PO:0007517 lateral root emergence stage Plant_structure_development_stage 7 PO:0007083 PO:0007083 LP.13 thirteen leaves visible stage Plant_structure_development_stage 7 PO:0007027 PO:0007027 whole plant fruit formation stage 70% to final size Plant_structure_development_stage 7 PO:0004500 PO:0004500 formation of leaflet primordia stage Plant_structure_development_stage 7 PO:0001024 PO:0001024 rapid elongation of leaf sheath stage Plant_structure_development_stage 7 PO:0001023 PO:0001023 rapid elongation of leaf blade stage Plant_structure_development_stage 7 PO:0007007 PO:0007007 whole plant fruit formation stage 50 to 70% Plant_structure_development_stage 7 PO:0007066 PO:0007066 SE.09 nine nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007023 PO:0007023 IE.04 inflorescence fully emerged from flag leaf sheath stage Plant_structure_development_stage 7 PO:0007076 PO:0007076 late rosette growth stage Plant_structure_development_stage 7 PO:0007025 PO:0007025 IE.00 inflorescence tip just visible above flag leaf sheath stage Plant_structure_development_stage 7 PO:0007036 PO:0007036 beginning of whole plant fruit ripening stage Plant_structure_development_stage 7 PO:0007032 PO:0007032 whole plant fruit formation stage up to 10% Plant_structure_development_stage 7 PO:0007031 PO:0007031 mid whole plant fruit ripening stage Plant_structure_development_stage 7 PO:0007078 PO:0007078 rosette growth complete stage Plant_structure_development_stage 7 PO:0007029 PO:0007029 whole plant fruit formation stage 30 to 50% Plant_structure_development_stage 7 PO:0007079 PO:0007079 SE.00 stem elongation begins stage Plant_structure_development_stage 7 PO:0007081 PO:0007081 early rosette growth stage Plant_structure_development_stage 7 PO:0007064 PO:0007064 LP.12 twelve leaves visible stage Plant_structure_development_stage 7 PO:0007048 PO:0007048 IE.01 1/4 of inflorescence emerged from flag leaf sheath stage Plant_structure_development_stage 7 PO:0007068 PO:0007068 mid rosette growth stage Plant_structure_development_stage 7 PO:0007065 PO:0007065 LP.05 five leaves visible stage Plant_structure_development_stage 7 PO:0007070 PO:0007070 SE.08 eight nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007072 PO:0007072 LP.18 eighteen leaves visible stage Plant_structure_development_stage 7 PO:0007014 PO:0007014 booting stage Plant_structure_development_stage 7 PO:0007074 PO:0007074 SE.15 fifteen nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007063 PO:0007063 LP.07 seven leaves visible stage Plant_structure_development_stage 7 PO:0007062 PO:0007062 SE.06 six nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007067 PO:0007067 LP.17 seventeen leaves visible stage Plant_structure_development_stage 7 PO:0007050 PO:0007050 late whole plant fruit ripening stage Plant_structure_development_stage 7 PO:0007082 PO:0007082 LP.20 twenty or more leaves whorls visible stage Plant_structure_development_stage 7 PO:0007038 PO:0007038 whole plant fruit ripening complete stage Plant_structure_development_stage 7 PO:0007084 PO:0007084 SE.10 ten nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007099 PO:0007099 SE.97 flag leaf visible stage Plant_structure_development_stage 7 PO:0007100 PO:0007100 SE.16 sixteen or more nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007101 PO:0007101 LP.09 nine leaves visible stage Plant_structure_development_stage 7 PO:0007103 PO:0007103 LP.10 ten leaves visible stage Plant_structure_development_stage 7 PO:0007104 PO:0007104 LP.15 fifteen leaves visible stage Plant_structure_development_stage 7 PO:0007106 PO:0007106 LP.03 three leaves visible stage Plant_structure_development_stage 7 PO:0007108 PO:0007108 SE.07 seven nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007109 PO:0007109 SE.99 maximum stem length reached stage Plant_structure_development_stage 7 PO:0007111 PO:0007111 SE.12 twelve nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007114 PO:0007114 SE.11 eleven nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007115 PO:0007115 LP.04 four leaves visible stage Plant_structure_development_stage 7 PO:0007116 PO:0007116 LP.11 eleven leaves visible stage Plant_structure_development_stage 7 PO:0007117 PO:0007117 SE.02 two nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007098 PO:0007098 LP.02 two leaves visible stage Plant_structure_development_stage 7 PO:0007097 PO:0007097 SE.14 fourteen nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007091 PO:0007091 SE.01 one node or internode visible stage Plant_structure_development_stage 7 PO:0007092 PO:0007092 SE.04 four nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007094 PO:0007094 LP.01 one leaf visible stage Plant_structure_development_stage 7 PO:0007086 PO:0007086 SE.05 five nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007095 PO:0007095 LP.08 eight leaves visible stage Plant_structure_development_stage 7 PO:0007085 PO:0007085 LP.14 fourteen leaves visible stage Plant_structure_development_stage 7 PO:0007096 PO:0007096 SE.03 three nodes or internodes visible stage Plant_structure_development_stage 7 PO:0007090 PO:0007090 SE.13 thirteen nodes or internodes visible stage Plant_structure_development_stage 7 PO:0001004 PO:0001004 anther development stage Plant_structure_development_stage 8 PO:0001055 PO:0001055 lemma primordia visible stage Plant_structure_development_stage 8 PO:0001056 PO:0001056 lemma differentiation and expansion stage Plant_structure_development_stage 8 PO:0001057 PO:0001057 fully expanded lemma stage Plant_structure_development_stage 8 PO:0001007 PO:0001007 pollen development stage Plant_structure_development_stage 8 PO:0007618 PO:0007618 carpel primordium visible stage Plant_structure_development_stage 8 PO:0007044 PO:0007044 BO.02 mid boot stage Plant_structure_development_stage 8 PO:0007018 PO:0007018 BO.01 early boot stage Plant_structure_development_stage 8 PO:0001045 PO:0001045 fully expanded sepal stage Plant_structure_development_stage 8 PO:0007051 PO:0007051 BO.00 booting begins stage Plant_structure_development_stage 8 PO:0001044 PO:0001044 sepal differentiation and expansion stage Plant_structure_development_stage 8 PO:0001058 PO:0001058 palea primordia visible stage Plant_structure_development_stage 8 PO:0007028 PO:0007028 BO.04 flag leaf sheath opening stage Plant_structure_development_stage 8 PO:0007019 PO:0007019 BO.05 flag leaf sheath opened stage Plant_structure_development_stage 8 PO:0001079 PO:0001079 fully expanded lodicule stage Plant_structure_development_stage 8 PO:0007611 PO:0007611 petal differentiation and expansion stage Plant_structure_development_stage 8 PO:0007608 PO:0007608 petal primordium visible stage Plant_structure_development_stage 8 PO:0004501 PO:0004501 gynoecium differentiation and expansion stage Plant_structure_development_stage 8 PO:0007619 PO:0007619 ovule development stage Plant_structure_development_stage 8 PO:0004502 PO:0004502 closure of carpel(s) stage Plant_structure_development_stage 8 PO:0007607 PO:0007607 sepal primordium visible stage Plant_structure_development_stage 8 PO:0007612 PO:0007612 fully expanded petal stage Plant_structure_development_stage 8 PO:0004503 PO:0004503 stigma cell differentiation stage Plant_structure_development_stage 8 PO:0007613 PO:0007613 stamen primordium visible stage Plant_structure_development_stage 8 PO:0001077 PO:0001077 lodicule differentiation and expansion stage Plant_structure_development_stage 8 PO:0007013 PO:0007013 BO.03 late boot stage Plant_structure_development_stage 8 PO:0001072 PO:0001072 lodicule primordia visible stage Plant_structure_development_stage 8 PO:0001071 PO:0001071 fully expanded palea stage Plant_structure_development_stage 8 PO:0001070 PO:0001070 palea differentiation and expansion stage Plant_structure_development_stage 8 PO:0001018 PO:0001018 B formation of primary parietal and sporogenous cells stage Plant_structure_development_stage 9 PO:0001017 PO:0001017 M germinated pollen stage Plant_structure_development_stage 9 PO:0001016 PO:0001016 L mature pollen stage Plant_structure_development_stage 9 PO:0001015 PO:0001015 K second mitotic division stage Plant_structure_development_stage 9 PO:0001005 PO:0001005 A archesporial cells visible stage Plant_structure_development_stage 9 PO:0001014 PO:0001014 I first mitotic division stage Plant_structure_development_stage 9 PO:0001013 PO:0001013 H late unicellular microspore stage Plant_structure_development_stage 9 PO:0001012 PO:0001012 G early unicellular microspore stage Plant_structure_development_stage 9 PO:0001011 PO:0001011 A microsporogenous mass stage Plant_structure_development_stage 9 PO:0001009 PO:0001009 D pollen mother cell meiosis stage Plant_structure_development_stage 9 PO:0001008 PO:0001008 C callose wall formation in pollen mother cells stage Plant_structure_development_stage 9 PO:0004504 PO:0004504 ovule differentiation and expansion stage Plant_structure_development_stage 9 PO:0001006 PO:0001006 B enlarged microsporocyte stage Plant_structure_development_stage 9 PO:0001010 PO:0001010 F microspore release stage Plant_structure_development_stage 9 PO:0001025 PO:0001025 C four anther lobes formed stage Plant_structure_development_stage 9 PO:0007620 PO:0007620 ovule primordium visible stage Plant_structure_development_stage 9 PO:0001036 PO:0001036 H anther senescence stage Plant_structure_development_stage 9 PO:0001035 PO:0001035 G anther dehiscence stage Plant_structure_development_stage 9 PO:0001034 PO:0001034 F bilocular anther stage Plant_structure_development_stage 9 PO:0001032 PO:0001032 E anther wall tapetum degeneration initiated stage Plant_structure_development_stage 9 PO:0001029 PO:0001029 E tetrad stage Plant_structure_development_stage 9 PO:0007621 PO:0007621 megagametophyte development stage Plant_structure_development_stage 9 PO:0001378 PO:0001378 sepals enclosing meristem stage Plant_structure_development_stage 9 PO:0001380 PO:0001380 sepals enclosing flower bud stage Plant_structure_development_stage 9 PO:0001059 PO:0001059 J bicellular pollen stage Plant_structure_development_stage 9 PO:0001026 PO:0001026 D locules established stage Plant_structure_development_stage 9 PO:0007629 PO:0007629 G eight nucleate megagametophyte stage Plant_structure_development_stage 10 PO:0007628 PO:0007628 F four nucleate megagametophyte stage Plant_structure_development_stage 10 PO:0007627 PO:0007627 E two nucleate megagametophyte stage Plant_structure_development_stage 10 PO:0007626 PO:0007626 D megaspore degeneration stage Plant_structure_development_stage 10 PO:0007625 PO:0007625 C tetrad of megaspores stage Plant_structure_development_stage 10 PO:0007624 PO:0007624 B meiosis of megaspore mother cell stage Plant_structure_development_stage 10 PO:0007623 PO:0007623 A megaspore mother cell enlarges stage Plant_structure_development_stage 10 PO:0007622 PO:0007622 integument initiation stage Plant_structure_development_stage 10 PO:0001074 PO:0001074 N second mitotic division stage in germinating pollen Plant_structure_development_stage 10