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13. YUSHANIA  

 

Spreading thornless frost-hardy bamboos, forming dense thickets or covering large areas, with upright culms from 1m to 4m tall, found in temperate forests and open grazing areas, from 1,800m to 3,600m, often stunted by browsing livestock. Leaves have clear cross-veins, unlike the leaves of the subtropical spreading genera Melocanna and Pseudostachyum, which only have parallel veins. The culms are not prominently ridged as in Borinda, and the branches are fewer in number and more upright. The young culms of 

 

 

most species are rough below the nodes, while those of Thamnocalamus are always smooth. Yushania species have rhizomes of more than 30cm with rootless necks. The rhizomes may be solid or hollow with no dividing walls at their nodes. Chimonobambusa and Sarocalamus species have roots all along the rhizome (figs. 38 & 58 cf. 54), and their hollow rhizomes are closed at each node. When growing strongly, Yushania species can prevent the natural regeneration of trees. 

[Home] [Key to Genera] [Dendrocalamus] [Bambusa] [Borinda] [Cephalostachyum] [Ampelocalamus] [Thamnocalamus] [Drepanostachyum] [Himalayacalamus] [Chimonobambusa] [Melocanna] [Pseudostachyum] [Neomicrocalamus] [Yushania] [Yushania key] [hirsuta] [maling] [microphylla] [pantlingii] [yadongensis] [Sarocalamus]