Bambusa griffithiana
Bambusa griffithiana Munro, Trans. Linn. Soc. London 26 (1), 1868: 99.
Synonym: Dendrocalamus griffithianus (Munro) Kurz, Prelim. Rep. For. Veg. Pegu, App. B., 1875: 94; Forest Fl. Burma ii, 1877: 562.
Thai name: No known records.
Myanmar names: Wa-myin (Burmese), Wa-ra (Kachin).
Distribution: THAILAND (West): Tak Province; (Central): Phitsanulok Province. — INDIA (North-East): Manipur. — MYANMAR: Kachin.
Culm size: No known records.
Description: "… caespitose. Rhizomes short; pachymorph. Culms leaning; woody; without nodal roots. Culm-internodes terete; hollow. Lateral branches dendroid. Leaves cauline. Leaf-sheaths keeled; striately veined; glabrous on surface. Leaf-sheath oral hairs setose. Leaf-sheath auricles falcate; 10–17 mm long. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base asymmetrical; with a brief petiole-like connection to sheath; petiole 0.5 cm long. Leaf-blades lanceolate; 25–38 cm long; 50–75 mm wide; glandular. Leaf-blade midrib conspicuous. Leaf-blade venation with 26–34 secondary veins. Leaf-blade surface smooth. Leaf-blade margins scabrous. Leaf-blade apex acuminate; antrorsely scabrous … [flowers and seeds described]." — Kew GrassBase [#1335].
Images: Photo (leaves, flowers) in Kew Herbarium [#1333].
Comments: A scrambling bamboo; a Thai plant has recently been identified as this species by Mu Chakkrapong (pers. comm., Fb. 2 Oct. 2017).