Tropicos | Name - !Pogonatum spinulosum Mitt.

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!Pogonatum spinulosum Mitt.

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Project Name Data (Last Modified On 4/3/2009)

Acceptance : Accepted

Project Data (Last Modified On 5/6/2009)

General Reference:

Wu Peng-cheng, M. R. C. & S. He. 2005. Sematophyllaceae–Polytrichaceae. 8: viii +385 pages. In Moss Fl. China. Science Press & Missouri Botanical Garden, Beijing, New York & St. Louis.

Illustration & Map (Last Modified On 5/6/2009)

Illustrations:

Pogonatum spinulosum Mitt. (Figs. 23–28.)

Map:

Distribution (Last Modified On 5/6/2009)

Distribution:

Habitat: commonly on low-altitude moist slopes, soil walls, and forest ground; alt. 800–2400 m.

Distribution: China, Korea, Japan, and the Philippines.

Specimens Examined (Last Modified On 5/6/2009)

Specimens Examined:

Chinese specimens examined: Anhui: Mt. Huang, P.-C. Chen 6179, 6598, 6653, 6837 (all in PE), C. Gao 30450 (MO); Mt. Jiuhua, R.-H. Shan 4365 (PE), X.-Z. Sun 292, 305, 338 (all in PE). Chongqing: Nan-chuan Co., Mt. Jinfo, M.-Z. Wang 860901, 860955a (both in PE). Fujian: Mt. Wuyi, P.-C. Chen et al. 690 (PE). Guangxi: Long-sheng Co., P.-C. Wu & Y.-X. Lin 690 (PE). Guizhou: Jiang-kou Co., Crosby 15707, 15796 (both in MO); Sui-yang Co., Crosby 15969 (MO). Heilongjiang: Ning-an Co., Z.-W. Ao s.n. (PE). Henan: Xing-yang City, Xingxiang Teacher’s College 2214 (PE). Hubei: Shengnongjia, Luteyn 1265 (MO, NY, PE). Hunan: Mt. Heng, L.-J. Bi 2004 (PE), G.-Z. He 57, 58 (both in PE). Jiangsu: Hang-zhou City, S.-M. Zhang 1132 (PE); Nanjing City, Jinling Univ. 11331 (PE), C.-Y. Yang 2047 (PE). Jiangxi: Mt. Lu, P.-C. Chen 13, 18, 97, 113, 125 (all in PE). Jilin: Lin-jiang Co., C. Gao 7696 (IFSBH). Shandong: Qing-dao City, Mt. Lao, Z.-G. Tong 32, 74 (both in PE). Sichuan: Lei-bo Co., P.-C. Chen s.n. (PE). Yunnan: Wu-ding Co., W.-X. Xu s.n. (PE). Zhejiang: Mt. Longtang, R.-L. Hu 3, 8 (both in PE), P.-C. Wu & Y.-X. You 1374 (PE); Mt. Xitianmu, P.-C. Wu 7656 (PE).

Notes (Last Modified On 5/6/2009)

general taxon notes:

The most distinctive character of this species is its persistent protonemata. Other features include its scale-like appressed leaves and strong, spinulose leaf costa.

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16. Pogonatum spinulosumMitt. 苞叶小金发藓 bao ye xiao jin fa xian

J. Proc. Linn. Soc., Bot. 8: 156. 1864. Polytrichum spinulosum (Mitt.) Broth., Hedwigia 38: 223. 1899. Type: Japan. Kiushu, Nagasaki, Oldham 426.

Pogonatumpellucens Besch., Ann. Sci. Nat., Bot., ser. 7, 17: 351. 1893.

Pogonatum spinulosum var. serricalyx Bartr., Ann. Bryol. 8: 21. 1936. Type: China. Guizhou, Fanjingshan, S.-Y. Cheo 646 (holotype FH).

Plants small, yellowish green, scattered over green, persistent protonemata in mats. Stems simple, ca. 2 mm long; rhizoids brown at the base of stems; central strand absent. Leaves small, yellowish brown, rarely with chloroplasts, appressed on stems when moist and dry, totally lacking lamellae; costa without complete stereid bands; basal leaves ovate, 1.0–1.5 mm × 0.4–0.9 mm, acuate or acuminate at apex, irregularly dentate or coarsely dentate near apex; costa vanishing near apex; middle leaves oblong-ovate to ovate-lanceolate, 3.0–4.5 mm × 1.0–1.3 mm, acuminate at apex; margins entire; costa rigid, reddish brown, flexuously excurrent, densely coarsely dentate; leaf cells usually unistratose, sometimes bistratose, upper cells with conspicuous cuticular papillae. Dioicous. Perichaetial leaves lanceolate or narrowly oblong, tapering to an obtuse apex, 8.0 mm × 1.2 mm; margins entire; costa shortly excurrent. Male plants very small, bud-like, only 6–8 scale-like leaves and 1–2 spherical antheridia. Setae erect, 2.0–4.5 cm long, often twisted; opercula conical, with short and straight beak; exothecial cells rectangular or hexagonal, ca. 3 µm in diameter, each cell with a conical mammilla; peristome teeth somewhat irregular, narrowly oblong or lanceolate, rounded or truncate at apex, sometimes shallowly bifid; membrane nearly as long as the teeth. Calyptrae 7–8 mm long, densely hairy. Spores smooth, ca. 11–12 µm in diameter.