Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Petioles < 1 mm long (the basal lobes clasping the stem); leaf blades subcoriaceous, the venation prominently reticulate below; stems moderately to densely spreading-hairy
1 Petioles 5-35 mm long; leaf blades thin in texture, the venation not prominently reticulate below; stems glabrous or inconspicuously hairy