Primary vein of the blade completely covered with hairs beneath; leaf margin mostly dentate towards the apex; pistillate inflorescences with ca. 15-30 flowers; perianth of the staminate flower 4-lobed.
Primary vein or the blade not completely covered with hairs beneath; leaf margin usually entire; pistillate inflorescences with 5-12 flowers: oerianth of the staminate flower mostly 4-parted.
