Japan Flora: Acaulescent or with a pseudostem consisting of the compact petioles; leaves radical, large, suberect, firm, with numerous leaflets to 60 cm. long, 3 cm. wide, plicate and gradually nar­rowed at base, obtuse, deeply dentate at apex, deep green above, light grayish, with an elevated midrib beneath, the upper leaflets gradually smaller, ascending, the terminal one broader, rounded or obtuse at apex; leaf-sheaths disintegrated into black fibers; inflorescence unisexual; staminate flowers with a small calyx; petals oblong, yellowish, 1.5-2 cm. long; stamens numerous, the anthers slender; pistillate flowers with deltoid petals; fruit globose, 1.5 cm. across.

Kyushn (Yakushima); possibly not indigenous. Ryukyus and Formosa.