Pithecellobium
Seed, cotyledon, embryo, and testa:
P. candidum (K.S. Kunth) G. Bentham - top left cotyledon concealing radicle (L) and embryonic axis (R), top left center seed topography;
P. dulce G. Bentham - bottom left seed topography;
P. unguis-cati (C. Linnaeus) G. Bentham - left center seed topography, testa SEMs;
P. spp. - bottom left center seeds.