Stylochaeton borumensis N.E.Br.

Rhizome thick, fleshy, nodose, with thick fleshy simple roots. LEAVES appearing after the flowers, glabrous: petiole 4-7 in. long; blade sagittate or sagittate-hastate; front lobe 2 1/2-6 in. long, 3/4-13/4 in. broad, elongate-oblong acute; basal lobes 1-21/2 in. long, 4-9 lin. broad, elongate-deltoid or deltoid-lanceolate, obtuse. INFLORESCENCE: Peduncle 1 1/2-1 3/4 in. long, glabrous, surrounded by 2-3 membranous bracts 1-11/4 in. long. Spathe partly subterranean (?), glabrous; tube 1 1/4-1 3/4 in. long, cylindric, slightly inflated at the base; limb or mouth very oblique, 6-8 lin. long, acute. Spadix 1-1 1/3 in. long, reaching to about the mouth of the tube. Female flowers 10-12, irregularly bicyclic, free, those of the upper cycle mostly imperfect; perianth about 1/2 lin. deep, compressed or globose-polygonal, very much contracted at the mouth, somewhat oblique. Ovary free, shortly ovoid, laterally compressed; style 1/2 lin. long, subhorizontally spreading, stout, shortly exserted beyond the perianth; stigma large, discoid. Male spike about 1 lin. distant from the female flowers, dense; perianth cupular, truncate, 1/4-1/3 lin. deep; stamens 4; filaments 3/4 lin. long, clavate, very stout; anther-cells slightly divergent.