compressed kidney shaped, 0.5- 1 mm; rounded, irregular shaped tubercles (warty bumps) concentric from hilum (seed base)
oval-orbicular, ~1 mm long; surface is hoarfrost patterned; margins covered in large, rounded tubercles (warty bumps)
ovate, 2.5-3.5 mm long; acutely tipped; spikelet 3-4 mm long; awn 3-10 mm long, sometimes up to 25 mm long
elliptic-ovate, 2.5-3.5 mm long; awn may or may not be present; awn 2-4 cm long
elliptic-ovate, 2.5-3.5 mm long; awn may or may not be present; awn 2-4 cm long
flattened oval, 4-5 mm long, 1-2 mm wide; lemma with conspicous bristles
oblong-cylindric, 2-3 mm long with tapering base; pappus (white hairs) may or may not be present in fossils; lengthwise r...
oblong, tapering to base, 2-4 mm long, 5 angled; speckled with small red dots; coarse, white pappus may or may not be pre...
oval-orbicular, ~1 mm long; covered in dendritic (branched projections) tubrercles (warty bumps)
ovate, minute, 0.5-0.8 mm; covered in white hairs; conspicuous white-light yellow base
abaxial (bottom) side shown; oval, 1-5 cm long and 3-15 mm wide; tips may be rounded or pointed; leathery; short petioles...
adaxial (top) side shown; oval, 1-5 cm long and 3-15 mm wide; tips may be rounded or pointed; leathery; short petioles; m...
abaxial (bottom) side shown; elliptic-oblong, 2-5 cm long, 0.5-2 cm wide; bottom of leaf paler than top; tips may be roun...
adaxial (top) side shown; elliptic-oblong, 2-5 cm long, 0.5-2 cm wide; bottom of leaf paler than top; tips may be rounded...
rounded, 5 sectioned capsule, 2.5-4.5 mm in diameter
rounded, 5 sectioned capsule, 2.5-4.5 mm in diameter
triangular, sides slightly convex, 1-2 mm; smooth, shiny; embryo attached to one side (rather than to a corner as in Poly...
flat, obovate, 3-5 mm; long beak 2-4 mm long; winged; wooly hairs
obovate-compressed, 0.5-0.7 mm long; pointed style base (tip); body surrounded by wing-like ring of spongy tissue, except...
2-8 mm; smooth, glabrous
Base of needle on righthand side, except middle needle oriented with base on lefthand side. Note blunt tip, linear shape,...
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
