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1 Stems not glaucous, sometimes with numerous rough emergences; leaf segments usually slender, of nearly equal size and shape; petioles subterete, usually with a sharp medial rib; rachis usually gradually curved, not angular between each segment; staminate flowers deeply retuse at the apex, showing no indication of the line of fusion
1 Stems glaucous, smooth, lacking any emergences; leaf segments usually somewhat unequal, not of relatively uniform size and shape; petioles subterete or with only an obtuse medial rib; staminate flowers truncate at the apex with an indication of the line of fusion