2-8 mm; smooth, glabrous
compressed-oblong, 5-6 mm long, ribbed, style persistent
ovate-lenticular, ~ 2.7 x 2.4 x 1.2 mm; 3 or 4 longitudinal ridges/ribs on both faces in addition to ribs along margins (...
oval to spatulate, 1-1.2 cm long; visible attachement point; surface pitted-reticulate;
elliptic compressed-triangular, 2-2.5 mm long; surface marbled with streaks and/or netted lines
fruit flat, lanceolate to oblanceolate, ~2.5-4 cm x 6-10 mm; very small notch at tip of wing
obovate, 2.5-3.5 mm long; spikelet 3-4 mm long; awn 3-10 mm long, sometimes up to 25 mm long
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...
oblong-cylindric, 1-2 mm long with tapering base; pubescent; pappus (short white bristles) may or may not be present in f...
compressed-elliptic, 0.5-1 mm long; attachment point slightly darker; ridged longitudinally due to bent embryo
angular-ovate to kidney shaped, 0.75-1 mm long; covered in many small tubercles (warty bumps) beginning at hilum (base) a...
oval-orbicular, ~1 mm long; rough, bumpy texture, but generally much less so than other members of family
orbicular, ~1 mm long; pinched hilum (seed base); covered in angular-rounded tubercles (warty bumps); fewer tubercles rel...
rounded, 5 sectioned capsule, ~5 mm wide; indented top; style persistent at top of capsule
rounded, 5 sectioned capsule, up to 6 mm wide; indented top; style persistent from top of capsule
abaxial (bottom) side shown; ovate to narrowly triangular, 2-10 mm long, 1-3 mm wide; bottom of leaf much paler than top;...
adaxial (top) side of leaf shown; lanceolate, 3-8 cm long, 1-4 cm wide; margins coarsely, irregularly toothed
elliptic, 0.3-0.5 mm long; finely pitted surface; embryo folded so that lengthwise dark brown line is visible
elliptic, 5-7 mm long; conspicuous micropyle opening (hole at seed base); smooth, shiny
subfossil specimen; note remnant of wings, persistent stigmas, characteristic size and shape (elliptic, 1.5-3 mm)
abaxial side (bottom of leaf) pictured; oblong-lanceolate, 2-4 cm long (mature trees) or 1-2 cm long (young trees); weakl...
pit globose, 7-9 mm in diameter; low ridge along one side (visible on left side of top right pit in image); inner surface...
adaxial side (top of leaf) pictured; oblong-lanceolate, 2-4 cm long (mature trees) or 1-2 cm long (young trees); weakly r...
pit spheroid, 7-9 mm in diameter; low ridge along one side (visible on left side of top right pit in image); inner surfac...
