Bambusa gibba

Thai name: ไผ่กิบบา (phai kipba).

Chinese name: 坭竹 (ni zhu).

Distribution: THAILAND: introduced, in cultivation, rare. — CHINA (South, East): Guangdong, Guangxi, Hainan, Fu­jian, Jiangxi; on low hills, around villages. — VIETNAM (North).

Description: "Culms 7–10 m, 3.5–6 cm in diam., basally flexuose, apically suberect; internodes 30–40 cm, inflated near base, initially white powdery, basal internodes initially sparsely stiffly gray-white or brown strigose; wall 3–5 mm thick; nodes glabrous; branching to base. Branches usually 3 at lower nodes with branchlets sometimes specialized into weak thorns; several on middle and upper nodes, 3 central branches dominant. Culm sheaths deciduous, ribbed-striate when dry, glabrous, apex obliquely truncate, with a triangular protuberance on higher shoulder; auricles obviously unequal, sometimes weak; larger auricle ovate-lanceolate or narrowly oblong, 5–6 mm; smaller auricle ovate or elliptic, 2–3 mm; oral setae slender, undulate; ligule arched, 2–3 mm, finely dentate and fimbriate; blade deciduous, erect, narrowly triangular, base not narrowed, nearly 2/3 as wide as sheath apex. Leaf blade linear-lanceolate to narrowly lanceolate, 8.5–14.5 × 0.8–1.3 cm, abaxially densely pubescent, adaxially glabrous. … [flowers described] … Fruit unknown." — Flora of China [#1303].

Images: Line drawing in Flora of China [#1303]. Photos in BambooWeb.info [#1340].