12. NEOMICROCALAMUS
Clump-forming scrambling thornless bamboos, from subtropical to warm-temperate areas, with culms less than 2cm in diameter, long shiny internodes, very long and strong central branches, and needle-like culm sheath blades. The culm sheaths can have tiny backward-facing spines and the culms develop tough flanges around the node, to help them to use tree branches for support as they clamber into the canopy. The flowers have six stamens and are in long pendulous spikelets. In Bhutan they are found only in the wet subtropical
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