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Abarema
Seed, cotyledon, embryo, and testa: A. jupunba (C.L. von Willdenow) Britton & E.P. Killip - bottom left center seed topography, top left cotyledon concealing radicle (L) and embryonic axis (R), bottom center seeds, testa SEMs; A. jupunba (C.L. von Willdenow) Britton & E.P. Killip var. trapezifolia (M.H. Vahl) Barneby & J.W. Grimes - bottom far left seed topography.
Abarema
Fruit and seed: A. jupunba (C.L. von Willdenow) Britton & E.P. Killip - top left fruit cluster, bottom left dehiscent fruit; A. jupunba (C.L. von Willdenow) Britton & E.P. Killip var. trapezifolia (M.H. Vahl) Barneby & J.W. Grimes - bottom right single fruit, top center seed in situ.
Abarema
Fruit and seed: A. laeta (G. Bentham) R.C. Barneby & J.W. Grimes - fruits.
Abarema
Seed, cotyledon, embryo, and testa: A. laeta (G. Bentham) R.C. Barneby & J.W. Grimes - top left cotyledons concealing radicle (L) and embryonic axis (R), bottom left seed topography, bottom left center seeds, testa SEMs.

Abarema
Fruit: A. racemiflora (Donnell Smith) R.C. Barneby & J.W. Grimes - 1st row top and 3rd row bottom fruits, 3rd row top seed in situ, 2nd row center dehiscent fruit, far right seed chambers, 2nd row top partial fruit showing open ventral suture, 2nd row bottom ventral suture, and 1st row bottom dorsal suture.
Abarema
Seed, cotyledon, embryo, and testa: A. racemiflora (Donnell Smith) R.C. Barneby & J.W. Grimes - top left cotyledon concealing radicle (L) and embryonic axis (R), bottom left seed topography, bottom left center seed, and testa SEMs.
Abrus
Fruit and seed: A. spp. - fruits, valves, and seeds.
Abrus
Cotyledon, embryo, and testa: A. precatorius C. Linnaeus - embryo, cotyledons, and testa SEMs.

Acacia
Fruit and seed: A. bidwillii G. Bentham - bottom right seeds in situ; A. concinna A.P. de Candolle - top left partial fruit; A. erioloba E.H.F. Meyer - top right seed in situ; A. implexa G. Bentham - left center seeds in situ; A. kirkii D. Oliver - bottom left partial fruit; A. nilotica (C. Linnaeus) C.L. von Willdenow ex Delile subsp. nilotica - top center seeds in situ.
Acacia
Fruit and seed: A. dunnii Turrill - top right fruit; A. gentlei Standley - right center fruit; A. glomerosa G. Bentham - bottom fruit; A. riparia K.S. Kunth - top left seeds in situ.
Acacia
Fruit and seed: A. aroma Gillies - left center fruit; A. choriophylla G. Bentham - top right fruit; A. cincinnata F.J.H. von Mueller - right center fruit; A. cornigera (C. Linnaeus) C.L. von Willdenow - center fruit; A. dunnii Turrill - bottom right seeds in situ; A. laeta R. Brown ex G. Bentham - top center seed in situ; A. bindheineri G. Bentham - top left fruit; A. nilotica (C. Linnaeus) C.L. von Willdenow ex Delile subsp. kraussiana (G. Bentham) J.P.M. Brenan - bottom left fruit.
Acacia
Seed: A. coriacea A.P. de Candolle - 2nd row bottom seed topography; A. cyclops A. Cunningham ex G. Don - 3rd row center seed topography; A. nebrownii Burtt Davy - 3rd row bottom seed topography; A. grandicornuta Gerstner - 3rd row top seed topography; A. harmandiana (J.B.L.) Gagnepain - 1st row bottom seed topography, 4th row top seeds in situ; A. heterophylla C.L. von Willdenow - 2nd row top seed topography; A. vestita Ker-Gawler - 1st row top seed topography; A. spp. - 4th row bottom seeds.

Acacia
Cotyledon and embryo: A. berlandieri G. Bentham - top right center embryonic axis; A. bidwillii G. Bentham - bottom right embryonic axis; A. breviracemosa Britton & J.N. Rose - bottom right center embryonic axis; A. coriacea A.P. de Candolle - top left cotyledons concealing all but tip of radicle (L) and embryonic axis (R); A. dealbata Link - top right embryonic axis; A. heterophylla C.L. von Willdenow - bottom left center embryonic axis; A. neriifolia A. Cunningham ex G. Bentham - top left center cotyledons concealing all but tip of radicle (L) and embryonic axis (R); A. victoriae G. Bentham - bottom left embryonic axis.
Acacia
Testa: A. nebrownii Burtt Davy - left testa SEMs; A. harmandiana (J.B.L.) Gagnepain - top right testa SEM; A. vestita Ker-Gawler - bottom right testa SEM.
Acmispson
Fruit and seed: A. spp. - fruits (dehisced and closed) and seeds.
Acmispson
Cotyledon, embryo, and testa: A. americanus (T. Nuttall) P.A. Rydberg - embryo, cotyledons, and testa SEMs.

Acosmium
Fruit and seed: A. spp. - fruits and seeds.
Acosmium
Cotyledon, embryo, and testa: A. nitens (J.R.T. Vogel) G. Bentham - embryo, cotyledons, and testa SEMs.
Acrocarpus
Fruit: A. fraxinifolius G.A.W. Arnott & R. Wight - left and bottom dehisced fruits, top seeds in situ.
Acrocarpus
Seed, cotyledon, embryo, and testa: A. fraxinifolius G.A.W. Arnott & R. Wight - top left cotyledon cordate and investing exposed radicle (L) and embryonic axis (R), bottom left seed topography, bottom left center seeds, testa SEMs.