褐鞘省藤 he qiao sheng teng

Calamus guruba var. ellipsoideus San Y. Chen & K. L. Wang; C. mastersianus Griffith; C. multirameus Ridley; C. nitidus Martius; Daemonorops guruba (Buchanan-Hamilton ex Martius) Martius; D. guruba var. hamiltoniana Martius; D. guruba var. mastersiana (Griffith) Martius; Palmijuncus guruba (Buchanan-Hamilton ex Martius) Kuntze; P. nitidus (Martius) Kuntze.

Stems clustered, climbing or forming thickets, to 20 m, to 3 cm in diam. Leaf sheaths dull green with rusty brown or light brown hairs, with scattered to densely arranged, dark brown, flattened, upward-pointing spines to 3.5 cm (sometimes to 10 cm at sheath apices); ocreas conspicuous, tattering and soon falling; knees present; flagella to 3 m; rachis to 1.3 m with 30-65 linear-lanceolate pinnae per side, these regularly arranged, apical ones smaller than others; middle pinnae 25-45 cm, 1.7-2.2 cm wide at mid-point, adaxial and abaxial veins bristly; cirri absent. Inflorescences to 3 m, flagellate; inflorescence bracts not sheathing, split open and flat, brown. Fruits yellowish or brown, globose, to 0.8 cm in diam.

Lowland or montane rain forests, scrub forests, dry forests, disturbed areas, especially roadsides; below 1200 m. Yunnan [Bangladesh, Bhutan, Cambodia, India, Laos, Malaysia (Peninsular), Myanmar, Thailand].