Oxystigma
Fruit: O. buchholzii H.A.T. Harms - bottom left fruit; O. dewevrei E.A.J. De Wildeman - right fruit; O. mannii (H.E. Baillon) H.A.T. Harms - top left fruit containing germinated seed; O. oxyphyllum (H.A.T. Harms) J.J.G. Léonard - center fruit.
Oxystigma
Seed and testa: O. dewevrei E.A.J. De Wildeman - testa SEMs; O. gilbertii J.J.G. Léonard - top left center seed; O. msoo H.A.T. Harms - bottom left seed topography; O. sp. - top far left seed.
Pachyelasma
Seed, cotyledon, embryo, and testa: P. tessmannii (H.A.T. Harms) H.A.T. Harms - top left cotyledon investing exposed radicle (L) and embryonic axis (R), bottom far left seed topography, bottom left center seeds, testa SEMs.
Pachyelasma
Fruit and seed: P. tessmannii (H.A.T. Harms) H.A.T. Harms - top left seeds in situ, top right transverse fruit section [after Harms, 1913], bottom fruit with seed in situ.
Painteria
Fruit and seed: P. elachistophylla (A. Gray ex S. Watson) Britton & J.N. Rose - top right fruit; P. leptophylla (A.P. de Candolle) Britton & J.N. Rose - left and bottom fruits (3).
Painteria
Fruit: P. elachistophylla (A. Gray ex S. Watson) Britton & J.N. Rose - right fruits; P. leptophylla (A.P. de Candolle) Britton & J.N. Rose - left fruit
Painteria
Seed, cotyledon, embryo, and testa: P. elachistophylla (A. Gray ex S. Watson) Britton & J.N. Rose - bottom left seed; P. leptophylla (A.P. de Candolle) Britton & J.N. Rose - top left seed and testa SEMs.
Paloue
Seed, cotyledon, embryo, and testa: P. guianensis J.B.C.F. Aublet - far left cotyledon split and concealing all but tip of radicle (above) and embryonic axis (below), top left center seed topography, bottom left center seeds, testa SEMs.