| China Bamboo Centre--Species introduction |
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Height 10 cm , diameter about 2.5 cm . internode square , sometimes nearly cylindric , initially with adnate setae ; culm annulus flat ; sheath annulus with residual sheath and a ring of purplish brown tomenta , joints below middle culm with developed spiny aerial roots , the spinitis bending down ; no sheath auricles ; sheath ligule indistinct ; sheath blade triangularly chisel -shaped . like Ch . quadrangularis , but its hair on sheath annulus persistent , back of sheath with small yellowish brown setae , small transerse veins indistinct . กก กก |
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