Chimonocalamus fimbriatus

Description

HABIT Perennial;caespitose.Rhizomes short;pachymorph.Culms erect;300–800 cm long;20–50 mm diam.;woody;with root thorns from the nodes.Culm-internodes terete;20–36 cm long;dark green,or purple;distally pubescent.Culm-nodes glabrous,or pubescent.Lateral branches dendroid.Culm-sheaths deciduous;coriaceous;hispid;with appressed hairs;with tawny hairs;concave at apex,or truncate at apex;without auricles;setose on shoulders.Culm-sheath ligule 10–15 mm high;fimbriate.Culm-sheath blade lanceolate;erect,or spreading;6–16 cm long;4–6 mm wide.Leaves 3–6 per branch.Leaf-sheaths glabrous on surface;outer margin hairy.Leaf-sheath oral hairs setose;5–11 mm long.Leaf-sheath auricles absent.Ligule an eciliate membrane;1 mm long;scaberulous on abaxial surface;truncate.Leaf-blade base with a brief petiole-like connection to sheath.Leaf-blades linear,or lanceolate;5–15 cm long;5–11 mm wide.Leaf-blade apex attenuate;filiform.