oblong-compressed; 3-8 mm long; dry, grayish outer coating and black underneath; white, oblong hilum bordered by black
subglobose, 1-1.2 mm; clear-yellow elaiosome (lipid rich deposit used to attract insect dispersal) attached to seed
abaxial (bottom) side of leaf shown; lanceolate, 3-8 cm long, 1-4 cm wide; margins coarsely, irregularly toothed
linear, 1.5-2 cm long; 4 angled in cross-section; stiff, sharp tipped
flattened-ovate, 1.5-2 mm long; marginal seam that is lighter in color than seed body; short beaked
winged, 1.5-3 mm long, nutlet 0.5-1 mm wide, wings slightly wider than nutlet; wings may be damaged/missing in subfossil ...
obovoid, flattened; narrowly winged on margins, 2-3 mm long
oblong, tapering to base, 3.5-4.5 mm long, indistinctly 5 sided; speckled with small brown-red dots; white base; coarse, ...
2-3 cm halbard shaped with basal lobes; coarsely toothed, especially so along one side of center lobe
compressed elliptic, biconvex, less than 0.5 mm long; glossy
compressed ovoid to ellipsoid, ~7 x 5 x 3 mm; several grooves/stripes on each face
angular-ovate, flat; ~0.5 mm long; surface with distinct tubercles (wart like projections); must compare to other tubercl...
wedge shaped, like narrow sector of sphere, 1-2 mm long; one side nearly straight
nut 10-16 mm long, 9-15 mm wide; cup shallow, saucer shaped, covering 1/5 to 1/4 of nut
buds glabrous
opposite bud scars, glabrous (shiny); lenticels (white marks)
lens shaped in cross section, circular in outline; 1-3 mm wide; dull, dark brown to black; outline of ring-shaped embryo ...
1-2.5 cm wide; 5-12 shallow, rough ridges; hollow central cavity 1/3-1/4 of total stem diameter; other smaller cavities ...
linear to narrowly oval, 2-5 cm long, 3-10 mm wide; sharp pointed with a small spine; leathery; margins may be rolled und...
compressed kidney shaped, 2-3 mm long; narrow line runs obliquely on each face from hilum (seed attachment scar)
obovate to compressed triangular, 1-2 mm long; white mouth at seed attachment base; globules on inner face; globules and ...
biconvex, 2-3 mm long; wing 5-8 mm long
biconvex, 1.5-2 mm long; wing 2-5 mm long
triangular, sides convex, 1-1.5 mm; smooth, shiny; embryo attached to one side (rather than to a corner as in Polygonum)
sharply 3-lobed, ciliate (hairs) along margins, 6-13 mm long
