compressed lanceolate-ellipsoid, ~4 x 2.2 x 1 mm; thin, brownish, papery coat lining inside of wall; smooth, unribbed sur...
sharply triangular, 4 sided, 4-10 mm long
globose, 6-10 mm in diameter; pubescent, hard
fruit 3-5 cm long; seeds 5-10 mm in diameter
flat-lenticular in cross-section, obovate in outline, 2-3.5 mm; prominently beaked and sometimes with marginal wing
opposite bud scars, glabrous (shiny); lenticels (white marks)
fruit 3-5 cm long; wing may be straight or incurved; seed ~1.2 cm long
pointy, brown colored
lens shaped in cross section, circular in outline; 1-3 mm wide; dull, dark brown to black; outline of ring-shaped embryo ...
obovate, 2.5-3.5 mm long; spikelet 3-4 mm long; awn 3-10 mm long, sometimes up to 25 mm long
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
obovate-elliptic, 1.8-2.2 mm long; prominent elongated white ridge on one side of seed attachement scar (raphe); mottled ...
obovate, 1.6-2.0 mm long; prominent elongated white ridge along base of seed (raphe)
oblong-cylindric, 2-3 mm long with tapering base; pappus (white hairs) may or may not be present in fossils; lengthwise r...
elliptic-ovate in outline compressed triangular in cross section, 2-3 mm long; very slightly arched inward; crosswise wri...
oblong-cylindric, 2-3 mm long with tapering base; pappus (white hairs) may or may not be present in fossils; lengthwise r...
compressed-oblong, 3-4 mm long; dark lengthwise streaks/stripes/mottles; smooth
oblong, tapering to base, 2-4 mm long, 5 angled; speckled with small red dots; coarse, white pappus may or may not be pre...
oblong-cylindric, 1-2 mm long with tapering base; pubescent; pappus (short white bristles) may or may not be present in f...
elliptic, four angled, narrowing at base, ~4 x 2.5 x 2 mm; length wise ridges; surface usually warty or wrinkly
obovate, 2-4 mm long; distinct longitudinal line present; mottled brown and white
compressed-elliptic, 0.5-1 mm long; attachment point slightly darker; ridged longitudinally due to bent embryo
roundish-ovate (unlike others in family), less than 0.5 mm; reticulate dimpled
