Flora of North America species comparison

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

glabrous or appressed-hairy proximally, glabrous distally.

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.

stipules translucent, usually suffused with red proximally, translucent to pale green distally, lobes pale green;

petiole glabrous or sparsely to densely appressed-hairy;

blade reniform-orbiculate, 7–9(–11)-lobed, margins flat or slightly undulate, basal sinuses narrow or wide, middle lobes as long as to longer than their half-widths, rounded to triangular-ovate;

incisions absent;

teeth ± connivent, slightly concave near apex, strongly asymmetric, apex subacute or obtuse, abaxial surface with nerves hairy throughout or in distal 1/2 only, internerve regions glabrous, adaxial glabrous or slightly hairy near margins, rarely (late-season leaves) hairy on folds.

primary branches glabrous or densely pubescent;

peduncles glabrous or densely hairy.

primary branches glabrous.

glabrous or hairy.

glabrous.

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

hypanthium usually sparsely to densely hairy, sometimes glabrous.

epicalyx bractlet lengths 0.5 times sepals (narrower);

hypanthium glabrous.

exserted.

exserted from discs.