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Published In: Species Muscorum Frondosorum 45, t. 7, f. 1 a–f. 1801. (Sp. Musc. Frond.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/17/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/4/2009)
General Reference:

Illustration & Map     (Last Modified On 5/4/2009)
Illustrations: Tetraphis pellucida Hedw. (Figs. 10–21.)
Map: Tetraphis pellucida Hedw. (Distribution in China)

Distribution     (Last Modified On 5/4/2009)

Habitat: often on rotten wood or stumps.

Distribution: China, Korea, Japan, Russia, Europe, and North America.


Specimens Examined     (Last Modified On 5/4/2009)
Specimens Examined:

Chinese specimens examined: Guizhou: Sui-yang Co., Crosby 15981 (MO). Heilongjiang: Xiao Xing An Ling (Lesser Khingan Mt.), Dai-ling, S.-E. Liu 1355 (HKAS); Wu-ying, P.-C. Chen et al. 449 (HKAS, PE), P.-C. Chen & C. Gao 556 (MO, PE). Jilin: Mt. Changbai, C. Gao 1170 (HKAS, IFSBH), C. Gao 22122 (IFSBH, MO). Liaoning: Heng-ren Co., T. Cao 108 (HKAS, IFSBH); Zhao-meng-ke Qi (Co.), X.-L. Chen 1509 (HKAS, IFSBH). Nei Mongol: Da Xing An Ling (Greater Khingan Mt.), C. Gao 3107 (HKAS, IFSBH). Shaanxi: Mt. Qingling, Q. Huang 2211 (HKAS), 2314 (MO); Mt. Taibai, X.-J. Li 609 (HKAS), 761 (MO). Sichuan: Li Co., Allen 6834 (MO); Ma-er-kang Co., X.-J. Li 1017 (HKAS); Nan-ping Co., Allen 7182 (MO), Q. Li 3928 (HKAS); Song-fan Co., S. He 30572 (MO). Xinjiang: Bu-er-jin Co., Q.-T. Jiang 398 (HKAS); Mt. Altai, R.-C. Qing 3024 (HKAS, PE), 3131 (MO, PE). Xizang: Mi-lin Co., Y.-G. Su 5144 (HKAS). Yunnan: Da-guan Co., X.-J. Li 4327 (HKAS); Gong-shan Co., A.-L. Zhang 25c (HKAS).


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2. Tetraphis pellucida Hedw.   四齿藓   si-chi xian
Sp. Musc. Frond. 43. pl. 7, f. 1: a–f. 1801. Georgia pellucida (Hedw.) Rabenh., Deutschl. Krypt.-Fl. 2(3): 231. 1848. Type. Europe.
Tetraphis cuspidata (Kindb.) Par., Index Bryol. Suppl. 318. 1900. Georgia cuspidata Kindb., Rev. Bryol. 20: 93. 1893.
Plants small to medium-sized, 10–18(–23) mm high, green above, rusty-brownish below, in solitary dense tufts. Stems erect, simple, often leafless below. Leaves small, ovate, distant on lower stem, larger and crowded on upper stems, appressed when dry, erect-spreading when moist, ovate to oblong-ovate, 1.5–2.2 mm × 0.5–1.0 mm, acute to acuminate at apex; margins entire, plane or broadly reflexed; costa thick, ending somewhat below leaf apex to subpercurrent, convex on the back; upper and median leaf cells irregularly rounded-hexagonal, ca. 12–16 µm wide, incrassate at corners, smooth; lower cells elongate, irregularly rectangular. Autoicous. Perichaetial leaves lanceolate, longer than stem leaves. Setae ca. 10–16 mm long, straight, somewhat twisted when dry, smooth; capsules narrowly cylindrical, ca. 3–4 mm × 0.4–0.5 mm, erect or sometimes slightly curved, symmetric, thickened at mouth; opercula long-conic, ca. 1 mm long; annuli absent; peristome teeth brownish, narrowly triangular, ca. 0.6–0.8 mm long. Calyptrae brownish, ca. 2.0–2.5 mm long, roughened above, smooth below, plicate, lobed at base. Spores ca. 10–12 µm in diameter, smooth.


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