|  | P.pothiforme 
 | Habit         : | A tall climber, quite glabrous with membranous leaves. |  | Leaves     : | Membranous, petioled 17.5 - 22.5 by 7.5 cm. linear-oblong acuminate base, oblique cordate, nerves 5 of which 3 run to the tip. |  | Spikes      : | Fruiting spike 7.5 cm. |  | Fruits        : | Rachis and fruits coalescing into a fleshy cylindric mass 2.5 cm. diam. | 
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