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P.khasianum
| Habit : | A glabrous shrub, winding clockwise, peduncles and petioles sparsely pubescent.
| | Leaves : | Petioled, membranous, lanceolate or oblong-lanceolate caudate-acuminate, 5-nerved above the equal acute or rounded base, are never so large, not exceeding 12.5 cm., and are narrower with much longer often falcately curved points.
| | Spikes : | Peduncle longer than the petiole, fruiting spike short, rachis tomentose, bracts orbicular, fruit small globose obscurely pedicelled. The spikes are never more than 3.75 cm.
| | Fruits : | Small fruits are only 0.31 - 0.42 cm. diam. |
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