Indocalamus emeiensis C. D. Chu et C. S. Chao 1980

Autor: Gao, Li-Qin, Li, Yong-Long, Guo, Chun-Ce, Yang, Guang-Yao, Zhang, Wen-Gen
Rok vydání: 2022
Předmět:
DOI: 10.5281/zenodo.6412038
Popis: Indocalamus emeiensis C. D. Chu et C. S. Chao (1980: 24) (Fig. 6) Type: — China, Sichuan: Leshan, E’mei Moutain, Hongchunping, elev. 1000–1200 m, 7 June 1976, C. D. Chu & C. S. Chao 76037 (lectotype, designated here, NF3001692!; isolectotypes, NF!, N!, photo PE!) = Indocalamus chongzhouensis Yi et Yang (2004: 13), syn. nov. Type : — China, Sichuan, Chongzhou, Sanlang Town, Chayuan Village, elev. 850–1100 m, 17 Sep. 2003, T. P. Yi 03014 (Syntypes: SIFS!). Revised description:— Rhizomes leptomorph. Culms 1.5–4.2 m tall, 0.7–1.5 cm in diameter, hollow; internodes terete, 20–38 cm long, young culm reddish-brown strigose, infranodal region white powdery, glabrescent when old; wall 1.5–3.0 mm thick; supranodal ridge prominently raised; intranodes 5–15 mm long. Culm sheaths tardily deciduous, oblong, thinly leathery or papery, 1/2 as long as internodes, densely reddish-brown strigose and purple-spotted, margin densely reddish-brown ciliate; auricles falcate, 7–15 mm long, 3–4 mm wide; oral setae radiate, 1.5–2 cm long; ligules 1–3 mm tall, truncate, margin densely ciliate; blades recurved, lanceolate. Foliage leaves 5 or 6 per ultimate branch; sheath sparsely puberulent initially, glabrescent, margin densely ciliate; auricles falcate, 1–2 cm long, 2–3 mm wide; oral setae radiate, 1.5–2.5 cm long; ligules truncate, 2–4 mm tall, margin densely ciliate; blades oblong-lanceolate, 33.0–42.5 × 5.9–9.5 cm, both surfaces glabrous, longitudinal veins 10–15 pairs, base cuneate, apex long-acuminate, margin entire. Inflorescence unknown. Distribution and habitat: — Indocalamus emeiensis is endemic to Sichuan Province, China (Fig. 7) with three distributed localities found so far, i.e., Muping, Sanlang and Emei Mountain. It usually grows in the understory of evergreen broad-leaved forests or dank valleys at elevations of 850–1200 m. Phenology: —New shoots from August to October. Flowering unknown. Additional specimens examined: — CHINA. Sichuan: Chongzhou, Sanlang, 13 Jul. 2018, Gao et al., SCCD1801 (JXAU); ibid., 18 Oct. 2019, Gao et al., SCCD1901 (JXAU); ibid., 10 Aug. 2020, Gao et al., SCCD2001 (JXAU); Leshan, E’mei Mountain, Hongchunping, 28 Sep. 1997, T. P. Yi s.n. (SIFS); ibid., 20 Oct. 1990, T. P. Yi 90130 (SIFS); ibid., 15 Jul. 2018, Gao et al., SCEM1801 (JXAU); ibid., 19 Oct. 2019, Gao et al., SCEM190 (JXAU); ibid., 11 Aug. 2020, Gao et al., SCEM2001 (JXAU); Ya’an, Baoxing, Muping, 8 Jul. 1998, T. P. Yi 98555 (SIFS).
Published as part of Gao, Li-Qin, Li, Yong-Long, Guo, Chun-Ce, Yang, Guang-Yao & Zhang, Wen-Gen, 2022, Indocalamus chongzhouensis (Poaceae: Bambusoideae), a new synonym of I. emeiensis: evidence from morphology and complete chloroplast genome data, pp. 53-63 in Phytotaxa 542 (1) on pages 60-61, DOI: 10.11646/phytotaxa.542.1.4, http://zenodo.org/record/6404559
{"references":["Chao, Q. S., Chu, Z. D. & Hsiung, W. Y. (1980) A revision of some genera and species of Chinese bamboos. Acta Phytotaxonomica Sinica 18 (1): 24 - 26.","Yi, T. P. & Yang, L. (2004) A new species of Indocalamus Nakai from western Sichuan of China. Journal of Bamboo Research 23: 13 - 15."]}
Databáze: OpenAIRE
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