|  | P.thomsoni 
 | Habit         : | A scandant bushy shrub with long petioled leaves and erect, globose spike. |  | Leaves     : | Long-petioled, ovate-oblong, or -lanceolate acuminate, 5-nerved at the rounded or cordate often oblique base, 10 - 17.5 by 6.25 - 8.75 cm., thick, nervules indistinct; petiole 2.5 - 6.25 cm. |  | Spikes      : | Fruiting spike shorter than its peduncle subglobose and very young, 0.63 cm. Male spikes 2.5 - 5 cm., bracts peltate. | 
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