|  | P.schizonephros 
 | Habit         : | A medium climber with slender branches. |  | Leaves     : | Quite glabrous, leaves coriaceous elliptic-lanceolate acuminate 3-nerved at the very base. 7.5-12.5 by 2.5-5 cm., base unequal; petiole stout, 0.63 - 1.25 cm. |  | Spikes      : | Male spikes hoary, receptacles distant stipitate not recurved about 8-androus.  Spikes 15 - 17.5 cm., very slender; receptacles reniform, about 0.25 cm. diam., tomentose within. | 
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