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Drepanostachyum khasianum (Dz. daphe, Keng. phan, Nep. tite nigalo)                 T49

 

This species has been found in Wangdi and Gasa districts between 1,000m and 1,600m, and it is very common around Thinleygang. It is found in the forest and along roadsides, but it does not seem to be cultivated widely, probably because of the availability of higher quality temperate bamboos in nearby forests, such as Borinda grossa. It is heavily browsed and is usually reduced in size to below 1cm in diameter and 3m in height, although like other Drepanostachyum species it could reach 5m in height if not browsed. This species has few prominent characters by which it can be recognised, although the culms 

 

are often dark, and the leaves are very small. It is identified by the absence of characters rather than by their presence. The culm sheaths have no hairs, auricles, or bristles, and a short ligule. The leaf sheaths have few hairs, small deciduous auricles, and a ligule which is more pubescent than that of other Drepanostachyum species. It can be distinguished from all the species of Himalayacalamus by the presence of rough spines inside the culm sheath. It is identified here as D. khasianum, from Shillong, but it may instead be D. suberectum, from the same area, of which only the leaves are presently known.

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