Bambusa villosula

Thai name: ว่ามิ (wa-mi) (Shan). — T. Smitinand, 2001 [#1003].

Distribution: THAILAND: no known records, but the species is supposed to occur in the provinces of Kanchanaburi, Chumphon, and Ranong of western and southern Thailand (Classification of Bamboo, 2012 [#1223]). — MYANMAR: Kayin State, Mon State, Tanintharyi Region.

Culm size: Height not recorded, diameter 7.5 cm.

Descriptions:

(1) "… culms solitary, or caespitose. Rhizomes short; pachymorph. Culms erect; 75 mm diam.; woody. Culm-internodes terete; 30–40 cm long. Culm-nodes flush with internodes. Lateral branches dendroid. Branch complement several. Culm-sheaths deciduous; glabrous; hairy on margins; truncate at the apex. Culm-sheath blade inconspicuous. Leaves cauline. Leaf-sheaths keeled; puberulous; outer margin hairy. Leaf-sheath oral hairs scanty. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades filiform; 12–20 cm long; 12–18 mm wide; glaucous. Leaf-blade venation indistinct; with 10–12 secondary veins; with obscure cross veins. Leaf-blade surface scabrous; rough adaxially; pubescent; hairy abaxially. Leaf-blade margins scabrous. Leaf-blade apex acuminate. Inflorescence: Flowering specimens unknown." — Kew GrassBase [#1335].

(2) J. S. Gamble, Bambuseae Brit. India, 1896: p. 56 [#1230].