Flora of North America species comparison

densely hairy.

densely hairy in proximal 1/2, glabrous or sparsely hairy in distal 1/2.

blades: basal sinus incisions relatively short or long, sometimes absent, abaxial surface usually irregularly or uniformly hairy, sometimes glabrous, nerves hairy throughout, adaxial usually densely hairy throughout, rarely only on folds.

blades: basal sinus incisions absent or, sometimes, relatively short, abaxial surface usually glabrous, nerves usually glabrous proximally, sometimes hairy throughout, adaxial sparsely to densely hairy throughout or on folds only.

primary branches densely hairy;

peduncles hairy.

primary branches and peduncles usually glabrous.

, or at least most, hairy.

usually glabrous, rarely some of the proximal hairy.

hypanthium densely hairy.

hypanthium usually sparsely hairy, sometimes glabrous.