Flora of North America species comparison

± appressed-hairy.

densely spreading- to very sparsely hairy at least in proximal 1/2.

stipules green or slightly purplish tinged, turning brown;

blade orbiculate, 7–9-lobed, margins undulate, basal sinuses appearing closed, basal lobes overlapping, middle lobes rounded, as long as or longer than their half-widths;

incisions relatively short to long;

teeth ± connivent, slightly asymmetric, apex acute, abaxial surface with nerves hairy throughout, internerve regions glabrous or densely hairy throughout, adaxial glabrous or hairy only on folds.

stipules translucent, usually strongly wine red-tinged proximally, lobes green;

blade usually reniform, sometimes orbiculate, shallowly 7–9-lobed, margins flat or slightly, rarely distinctly, undulate, basal sinuses usually wide, sometimes narrow, middle lobes rounded, shorter than to equal to their half-widths, sometimes longer;

incisions absent or relatively short to long;

teeth sometimes slightly connivent, slightly to strongly asymmetric, apex usually acute to subobtuse, sometimes obtuse, abaxial surface glabrous or hairy, nerves glabrous proximally or hairy throughout, adaxial sparsely to densely hairy throughout or on folds only.

primary branches densely hairy;

peduncles hairy or glabrous.

primary branches glabrous or densely pubescent;

peduncles glabrous or densely hairy.

glabrous.

glabrous or hairy.

epicalyx bractlet lengths equal to slightly longer than sepals (usually almost as wide);

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

hypanthium usually shorter than sepals, glabrous.

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

hypanthium usually sparsely to densely hairy, sometimes glabrous.

exserted from discs (distinctly longer than hypanthia).

exserted.