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Published In: Feddes Repertorium Specierum Novarum Regni Vegetabilis 58: 25. 1955. (Feddes Repert. Spec. Nov. Regni Veg.) Name publication detail

Project Name Data (Last Modified On 3/18/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/4/2009)
General Reference:

Illustration & Map     (Last Modified On 5/4/2009)
Illustrations: Orthomnion dilatatum (Wilson ex Mitt.) P.C. Chen (Figs. 7–9.)
Map: Orthomnion dilatatum (Wilson ex Mitt.) P.C. Chen (Distribution in China)

Distribution     (Last Modified On 5/4/2009)


Habitat: on rocks, tree bases, or rotten tree branches; alt. 600–2500 m.
Distribution: China, Japan, Nepal, India, Sri Lanka, Myanmar, Vietnam, Indonesia, Malaysia, and the Philippines.

Specimens Examined     (Last Modified On 5/4/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Huang, P.-C. Chen 775 (HKAS). Chongqing: Nan-chuan Co., P.-C. Chen 1950, 1955 (both in HKAS). Fujian: Mt. Wuyi, P.-C. Chen et al. 535, 700 (both in HKAS, MO). Guangdong: Ru-yuan Co., P.-J. Lin 763-1 (IBSC, MO), P.-J. Lin 486, 502 (both in HKAS). Hainan: Mt. Jianfengling, P.-C. Chen et al. s.n. (HKAS, PE). Hubei: Mt. Shennongjia, 1980 Sino-Amer. Exped. 296 (MO). Shaanxi: Mt. Taibai, Z.-P. Wei 5576 (HKAS). Sichuan: Mt. Omei, P.-C. Chen 5686, 5715, 5778 (all in HKAS, PE). Taiwan: Tai-tung Co., M.-J. Lai 9595, 9622 (both in MO). Xizang: Kaerda River, M. Zang 91 (HKAS). Yunnan: Gong-shan Co., Q.-W. Wang 6448 (HKAS); Lan-cang Jiang, Q.-W. Wang 793 (HKAS); Lu-chun Co., M. Zang 355, 357, 367 (all in HKAS); Xishuangbanna, X.-J. Li 417, 439, 542 (all in HKAS).


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2. Orthomnion dilatatum (Mitt.) P.-C. Chen   柔叶立灯藓   rou ye li deng xian
Feddes Repert. Spec. Nov. Regni Veg. 58: 25. 1955. Orthomniopsis dilatata (Mitt.) Nog. in Hara., Fl. E. Himalaya 1: 563. 1966. Mnium dilatatum Wils. ex Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 143. 1859. Type: India. Khasia, Hooker & Thomson 670.
Orthomniopsis japonica Broth., Öfvers. Förh. Finska Vetensk.-Soc. 49: 1. 1907.
Orthomniopsis petelotii Tix., Rev. Bryol. Lichénol. 34: 137. 1966.
Orthomnion curiosissimum Horik., Bot. Mag. (Tokyo) 50: 382. pl. 34. 1936.
Orthomnion loheri Broth. var. semilimbatum Baumg. ex Fröhl., Ann. Naturhist. Mus. Wien 59: 83. 1953.
Plants medium-sized to rather large, with dense, yellowish brown rhizoids at base. Infertile stems and primary stems prostrate, 3–4 cm long; fertile stems erect, ca. 1.5 cm high. Leaves usually clustered on the top of stems and branches, broadly ovate or nearly rounded, ca. 5 mm × 3–4 mm, obtuse at apex, narrowed, not decurrent at base; margins entire, bordered by 2 rows of narrowly rectangular cells, upper margins not clearly bordered; costae ending well below the apex; leaf cells pentagonal to hexagonal, irregularly thick-walled, porose. Dioicous. Setae 2–5-clustered, ca. 1.0 cm long; capsules erect; peristome double; exostome teeth linear-lanceolate, densely papillose; endostome segments reduced; cilia rudimentary. Calyptrae smooth. Spores 35–65 µm in diameter, papillose.


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