An important species, widely found between 2,600m and 3,200m, often in association with hemlock. It is naturally restricted to wetter temperate mixed coniferous forest areas of central and eastern Bhutan, but is also cultivated. This species reaches large dimensions for the altitude at which it grows. It has culms up to 10m tall and up to 4.5cm in diameter, and leaves up to 25cm long. It is easily distinguished from the other frost-hardy bamboos by its large finely grooved culms which are a pale blue colour. Yushania pantlingii is similar, but has rough, rather than grooved culms, and long rhizomes so that it does not grow in clumps. Similar species have been described
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