Vismia guianensis (Aubl.) Choisy

Seeds oblong ellipsoid, straight, or curved, 2.2-2.6 x 0.6-0.8 mm, dark brown, glossy, the raphal side concave/flat, the antiraphal side convex, the transverse section roundish, the surface reticulate, with flat or slightly concave, striated outer periclinal cell walls. Hilum small, roundish; vascular bundle enters chalaza. Seed coat of 3 cell layers; exotesta with large cells, the cells square or rectangular in section, the anticlinal walls slightly undulate, the outer periclinal walls thickened; endotesta one (more in raphe) layer of cells, the cells very small, flat; all cells of testa filled with brown pigment; exotegmen persistent, a layer of sclereids, the cell walls undulate, considerably thickened, the cell lumen large, at middle of cell, filled with prismatic crystals, the pore channels thin. Endosperm one layered. Embryo linear, straight, large, occupying most of seed, the cotyledons approximately 2/3 - 1/2 of embryo length, plano-convex.

Bat dispersers. Artibeus cinereus, A. concolor, A. jamaicensis, A. lituratus, Carollia perspicillata, C. brevicauda, Phyllostomus discolor, Rhinophylla pumilio, Sturnira lilium, S. tildae.

Voucher specimens. Ek & Gravendeel 722 (herbarium specimens), Peckham 157/1999 (fruits from bat feces).