Yushania elegans

Synonyms: Arundinaria elegans Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 42 (4), 1874: 249; Sinobambusa elegans (Kurz) Nakai, J. Arnold Arbor. 6, 1925: 152; Burmabambus elegans (Kurz) Keng f., J. Bamboo Res. 1 (2), 1982: 40; Sinarundinaria elegans (Kurz) C. S. Chao & Renvoize, Kew Bull. 44 (2), 1989: 357.

Thai name: No known records.

Distribution: THAILAND (North): Chiang Mai Province: อุทยานแห่งชาติดอยอินทนนท์ Doi Inthanon National Park, and Nan Province: อุทยานแห่งชาติดอยภูคา Doi Phu Kha National Park, at about 1,900–2,400 m altitude (Mu Chakkrapong, pers. comm., Facebook, 18 Aug. 2020). — MYANMAR. — INDIA (North-East). — BANGLADESH. — 1,100–2,100 (2,400) m altitude.

Description: "Habit: Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 400-700 cm long; 8-25 mm diam.; woody; without nodal roots. Culm-internodes terete; 18-23 cm long; smooth. Culm-nodes swollen. Lateral branches dendroid. Branch complement several; in an irregular line; with subequal branches. Culm-sheaths 0.33 length of internode; chartaceous; pubescent; truncate at apex; auriculate. Culm-sheath ligule fimbriate. Culm-sheath blade linear; reflexed; acute. Leaf-sheaths striately veined; smooth; glabrous on surface. Leaf-sheath oral hairs setose. Leaf-sheath auricles erect. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.2-0.5 cm long. Leaf-blades deciduous at the ligule; linear, or lanceolate; 10-14 cm long; 8-12 mm wide. Leaf-blade midrib conspicuous. Leaf-blade venation with 8-12 secondary veins; with distinct cross veins. Leaf-blade surface smooth; glabrous. Leaf-blade margins cartilaginous; scabrous. Leaf-blade apex acuminate. … [flowers and seeds described]." — KewScience POWO [#1305].

Images: Photo of a specimen from Doi Inthanon in Queen Sirikit Botanic Garden Herbarium QBG No. 54041 (young shoot, rhizome, leafy branches) (www.qsbg.org).

Uses: Culms for walls of huts.