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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