Zenkerella
Seed, cotyledon, embryo, and testa:
Z. capparidacea (P.H.W. Taubert) J.J.G. Léonard - top far left cotyledon notched and split and probably concealing radicle (above) and embryonic axis (below), top left center seed topography, testa SEMs;
Z. schliebenii (H.A.T. Harms) J.J.G. Léonard - bottom far left seed in situ;
Z. spp. - bottom left center seeds.