winged, 3 mm long, 3-5 mm wide, ellipsoid-obovate in shape, somewhat flattened; wings may be damaged/missing in subfossil...
very narrowly winged, rounded, 2-3 mm long, 2-4 mm wide; 2 stubby style bases persistent; woody, flat face
adaxial (top) surface; rounded to obovate, 2-4 cm long, 1-3 cm wide, coarsely toothed margins, teeth may be blunt or shar...
3 lobed, rounded, sometimes dotted with resin.
elliptic, thinly winged, 2-3 mm long; styles persistent; wings may be damaged/missing in subfossil samples.
abaxial (bottom) surface; rounded to obovate, 2-4 cm long, 1-3 cm wide, coarsely toothed margins, teeth may be blunt or s...
3 lobed, lobes divergent, forming cross-like or fleur-de-lis shape. 6-12 mm.
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
rounded trigonous, obovate, inconspicuously veined, 4-5.4 mm; beak 2 mm long, inconspicuously serrate
weakly 5 lobed, with center lobe being most prominent; may be dotted with resin
rounded trigonous, 2-2.5 mm long; weak reticulate texture; style base (top of seed) rounded with indent
rounded trigonous, 1.8-2.3 mm long; weak reticulate texture; conspicuos style base (top of seed) rounded with indent
4-5 mm long, 3-4 time as long as wide, faintly veined or veinless on both sides; tapered beak with finely serrate margins...
subglobose, 3-4.5 mm long, 1.5-2 times as long as wide; short, slender beak
compressed-oblong, 5-6 mm long, ribbed, style persistent
crescent-wedge shaped , 4-5 mm long, 3-4 mm wide; slightly compressed laterally, shallow ribbed
oblong, tapering slightly to base; 2-2.5 mm long; 4 sided
oblong, tapering to base, 2-2.5 mm long, 5 sided; glabrous (no hairs/spots); white base; coarse, white pappus may or may...
oblong, tapering to base, 2.5-3.5 mm long, 5 sided; speckled with small white dots, base may be white as well; coarse, wh...
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
2-3 cm halbard shaped with basal lobes; coarsely toothed, especially so along one side of center lobe
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 (...
obovate 1-3 cm, enclosing seed, slightly inflated; bristly at base