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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 |