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Published In: Journal of the Hattori Botanical Laboratory 15: 2. 8. 1955. (J. Hattori Bot. Lab.) Name publication detail

Project Name Data (Last Modified On 3/30/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Brachythecium formosanum Takaki (Figs. 1–12.)
Map: Brachythecium formosanum Takaki (Distribution in China)

Distribution     (Last Modified On 5/5/2009)
Habitat: often on thin soil over rocks and on soil; alt. 1200–3000 m.
Distribution: endemic to China.

Specimens Examined     (Last Modified On 5/5/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Huangshan, P.-J. Lin 209 (IBSC); Tong-cheng Co., X.-Z. Sun 385, 386 (both in WH). Chongqing: Nan-chuan Co., M.-Z. Wang 860133 (PE). Guangdong: Le-chang Co., G.-Q. Zeng 270 (IBSC). Hebei: Wei Co., C. Gao 31142, 31154Hunan: Mt. Yuelu, Exped. Team 145 (IBSC). Jiangsu: Wuxi City, P.-J. Lin 403 (IBSC). Jilin: Mt. Changbai, P.-J. Lin 2234 (IBSC). Liaoning: Mt. Qianshan, C. Gao 1986 (IFSBH). Nei Mongol: Ning-cheng Co., X.-L. Bai 2243 (HIMC). Shaanxi: Chang-an Co., M.-X. Zhang 639, 2021, 2076 (all in WUK); Mt. Nanwutai, C. Gao 16529, 16545 (both in IFSBH); Mt. Taibai, Z.-P. Wei 6398 (WUK). Sichuan: Mt. Omei, J.-X. Luo 794 (PE). Taiwan: Nan-tou Co., S. He 36490 (MO). Xizang: Mt. Everest, X.-G. Wang 37 (HKAS). Yunnan: Da-li Co., Smith 6094 (HKAS), X.-Y. Jia 910167 (HKAS); Gong-shan Co., M. Zang 5600, D.-C. Zhang 501 (both in HKAS); Jing-dong Co., D.-K. Teny 255 (HKAS); Kao-jia Co., Q.-T. Zhang 6084a (HKAS); Kunming City, T. Cao 21268 (IFSBH), X.-J. Li 3088 (HKAS), P.-J. Lin 3043 (IBSC); Li-jiang Co., M. Zang 1652 (HKAS). Zhejiang: Mt. Fengyang, X. Zhang 94135 (HSNU).
(both in IFSBH).

Notes     (Last Modified On 5/5/2009)
general taxon notes:
Brachythecium formosanum is characterized by the slender plants and the leaves often with cordate, distinctly constricted bases and with short, narrowly rhomboidal median leaf cells (30–45 µm long vs. longer than 50 µm in most species of Brachythecium).


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10. Brachythecium formosanum Takaki   台湾青藓   tai wan qing xian
J. Hattori Bot. Lab. 15: 2. 1955. Type: China. Taiwan, Taichong, Noguchi 7061.
Plants slender, yellowish green to dark green, glossy, in dense mats. Stems prostrate, ca. 1.5–3.0 cm long, loosely foliate, irregularly branched, often with brownish rhizoids; branches ascending, ca. 0.5–1.0 cm long, densely foliate, attenuate at tips. Stem and branch leaves similar, appressed when dry, erect-spreading when moist, ovate- or elliptical-lanceolate, 1.0–1.4 mm × 0.4–0.7 mm, concave, gradually acuminate, plicate, usually constricted at base; margins entire, reflexed below, serrulate above; costae ending about mid-leaf; median leaf cells narrowly rhomboidal, 30–45 µm × 5–6 µm, thin-walled; basal cells lax; alar cells quadrate, hyaline. Dioicous. Perichaetial leaves lanceolate, piliform at apex; costae indistinct. Setae slender, ca. 15 mm long, straight or slightly curved, reddish, smooth; capsules symmetric or slightly asymmetric, shortly cylindrical; opercula shortly conic-rostrate; peristome teeth double; endostome segments papillose, keeled, perforate; cilia 1. Spores ca. 17 µm in diameter, minutely papillose.
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