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Moss China | Family List | Moss China V. 2 | Pottiaceae | Weissia

2. Weissia breviseta (Thér.) P.-C. Chen, Hedwigia. 80:165. 1941; Trichostomum brevisetum Thér., Ann. Cryptog. Exot. 5: 171. ic. 1932.


Plants small, only 2–3 mm high, yellowish green, in dense tufts. Stems short, simple, densely foliate. Leaves often crowded at stem tips, contorted-curved when dry, spreading when moist, narrowly oblong-spatulate, 1.7–2.0 mm long, sheathing at base, upper lamina often channeled, sharply acute at apex; margins strongly incurved above the leaf base, entire; costa rather stout, usually shortly excurrent, ending in sharply mucronate tips; upper leaf cells quadrate to hexagonal, evenly thick-walled, papillose; basal cells sharply differentiated, rectangular, mostly thin-walled, smooth, hyaline. Autoicous. Setae ca. 5 mm long; capsules erect, cylindrical; peristome teeth erect, undivided, perforated, papillose.

Type. China: Fujian, Fuzhou City, Gushan (Mt.), H.-H. Chung 166.

Specimens examined: HEBEI: Dong-ling (Mt.), L.-Q. Yu 394 (PE). HEILONGJIANG: Da-hai, C. Gao 6811 (IFSBH). JIANGXI: Nan-chang City, S.-L. Wang 550131, 0170 (PE).

Habitat: on rocks; Distribution: endemic to China.

Illustrations: Thériot 1932 (p. 172, 1–10).


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