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Pseudosymblepharis duriuscula (Mitt.) P.C. Chen Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Hedwigia 80: 153. 15 f. 11. 1941. (Hedwigia) Name publication detailView in Botanicus
 

Project Name Data (Last Modified On 3/13/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/1/2009)
General Reference:

Illustration & Map     (Last Modified On 5/1/2009)
Illustrations: Pseudosymblepharis duriuscula (Mitt.) P.C. Chen (Figs. 5–8.)
Map: Pseudosymblepharis duriuscula (Mitt.) P.C. Chen (Distribution in China)

Distribution     (Last Modified On 5/1/2009)
Distribution:
Habitat: on rocks in shade or forest ground.
Distribution: China and Sri Lanka.
 

Specimens Examined     (Last Modified On 5/1/2009)
Specimens Examined:
Chinese specimens examined: Shaanxi: Western Tai-bai Shan (Mt.), Z.-P. Wei 6598 (HKAS, WUG). Sichuan: Da-jin Co., X.-J. Li 4170 (HKAS). Zhejiang: Eastern Tian-mu Shan (Mt.), M. Zang 841 (HKAS).

 

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2. Pseudosymblepharis duriuscula (Mitt.) P.-C. Chen    细拟合睫藓   xi ni-he-jie xian
Hedwigia 80: 153. 1941. Trichostomum duriusculum (Mitt.) Broth., Nat. Pflanzenfam. I(3): 39. 1902. Tortula duriuscula Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 27. 1859. Type. Sri Lanka (Ceylon): reg. mont. super., 4000–8000 ft., Gardner s.n. (holotype NY).
Didymodon duriusculus Wils., Hooker’s J. Bot. Kew Gard. Misc. 9: 299. 1857, nom. nud.
 
Plants medium-sized, to 1.2–3.0 cm high, yellowish green or dark brown, in loose tufts. Stems erect, rarely branched; central strand absent. Leaves contorted-curved to moderately crisped when dry, curved-spreading when moist, narrowly lanceolate to linear-lanceolate, 1.5–3.5 mm × 0.3–0.6 mm, sheathing at the base, gradually acuminate; margins plane, entire; costa slender, excurrent in a short awn, 60–70 µm long, smooth; upper leaf cells irregularly to rounded hexagonal, ca. 6–10 µm wide, moderately thick-walled, with several simple to branched papillae in each cell; basal cells weakly differentiated, rectangular, 30–60 µm × 7–16 µm, thick-walled, usually smooth, hyaline, differentiated basal cells extending up both sides at margins forming a V-shaped region. Dioicous. Perichaetial leaves not differentiated. Setae reddish yellow, straight, ca. 1.3 cm long; capsules erect, short-cylindrical; peristome teeth short, weakly or not twisted, lanceolate, papillose above, transversely striate at the base. Spores 6–10 µm in diameter, nearly smooth.
 
 
 


 

 
 
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