Flora of North America species comparison

sparsely appressed-hairy throughout or glabrous in distal 1/2.

densely spreading-hairy (to inflorescences).

stipules translucent, colorless, usually flushed pale wine red proximally, apex pale green, sometimes with pale wine red margins and veins;

blade reniform-orbiculate, 7–9-lobed, margins flat, basal sinuses narrow or closed, middle lobes as long as and rounded to longer than their half-widths;

incisions long or short, 2–5 mm;

teeth usually connivent, symmetric to slightly asymmetric, apex acute, abaxial surface with nerves hairy throughout or in distal 1/2 only, internerve regions usually glabrous (except sometimes on 2 basal lobes), adaxial glabrous or slightly hairy at margin.

stipules translucent, usually pale pink proximally, lobes turning brownish;

blade orbiculate or reniform-orbiculate, 9–11-lobed, margins flat or slightly undulate, basal sinuses narrow to almost closed, basal lobes sometimes overlapping, middle lobes with lateral sides convex or slightly concave at base, shorter than to as long as their half-widths;

incisions absent;

teeth slightly connivent or not, ± symmetric, apex acute or subacute, surfaces densely hairy throughout.

primary branches glabrous.

primary branches densely hairy;

peduncles pubescent or almost glabrous.

glabrous.

glabrous.

epicalyx bractlet lengths 0.5 times to almost equal to sepals (always narrower);

hypanthium glabrous.

epicalyx bractlet lengths 1 times sepals (as wide), often with blunt teeth, glabrous;

epicalyx bractlets and sepals patent after flowering, giving appearance of an 8-point star;

hypanthium usually densely, occasionally sparsely, hairy (in proximal 1/2).

not exserted.

exserted from discs (distinctly longer than hypanthia).