Chimonobambusa tuberculata
Chimonobambusa tuberculata Hsueh f. & L. Z. Gao, J. Bamboo Res. 6 (2), 1987: 11.
Synonym: Chimonobambusa armata f. tuberculata (Hsueh f. & L. Z. Gao) T. H. Wen.
Thai name: No known records.
Chinese name: 永善方竹 (yǒng shàn fāng zhú).
Distribution: CHINA (South): southwestern Sichuan, northeastern Yunnan.
Descriptions:
(1) "Habit: Perennial. Rhizomes elongated; leptomorph. Culms erect; 300-400 cm long; 12 mm diam.; woody; with aerial roots from the nodes. Culm-internodes terete; thick-walled; 14-18 cm long; papillose; distally hispid. Culm-nodes without obvious supra-nodal ridge; pubescent. Lateral branches dendroid. Culm-sheaths tardily deciduous; chartaceous; green and brown; distinctly mottled with last colour; hispid; with tawny hairs. Culm-sheath ligule 0.2 mm high. Culm-sheath blade triangular; 0.1-0.2 cm long. Leaves cauline; 3-4 per branch. Leaf-sheaths glabrous on surface; outer margin hairy. Leaf-sheath oral hairs scanty; deciduous. Ligule an eciliate membrane; 1 mm long. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong; 20-25 cm long; 20-30 mm wide. Leaf-blade venation with 12-18 secondary veins; with distinct cross veins. Inflorescences: Flowering specimens unknown." — KewScience Plants of the World Online, accessed 8 July 2020.
(2) Flora of China [#1303].
Images: Line drawing in Flora of China [#1303]
Comments: No record of a flowering event for this species could be found (8 July 2020).
Specimens: BS-0659 [-], BS-0659-1 [-] (seeds). The seeds from FMXG, Yunnan, China, as "Chimonobambusa tuberculata, 永善方竹 (yǒng shàn fāng zhú)"; collected 2010, but were not received; collected early May 2011, and received 30 May 2011 (BS-0659); collected late April 2012, and received 7 May 2012 (BS-0659-1); collected Apr. 2013, but were not received.
Seed viability: Three months under normal atmospheric conditions; a half year under storage at 1-6 °C. — acc. FMXG.
Seed weight: 10 g ≈ 20–30 humid husk-wrapped seeds.
Seed germination: Over 100 seeds set on different growth media, atmospheric humidity >70%, 31 May 2011 (BS-0659), and 8 May 2012 (BS-0659-1). None of the seeds germinated.
Chimonobambusa tuberculata (BS-0659): Seeds, humid, with their husks