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!Eurhynchium coarctum Müll. Hal. 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: Nuovo Giornale Botanico Italiano, n.s. 5: 198. 1898. (Nuovo Giorn. Bot. Ital., n.s.) Name publication detail
 

Project Name Data (Last Modified On 3/31/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Eurhynchium coarctum Müll. Hal. (Figs. 1–18.)
Map: Eurhynchium coarctum Müll. Hal. (Distribution in China)

Distribution     (Last Modified On 5/5/2009)
Distribution:
Habitat: unknown.
Distribution: endemic to China.
 

Specimens Examined     (Last Modified On 5/5/2009)
Specimens Examined:
Chinese specimens examined: Shaanxi: Mt. Qinling, Giraldi 1878 (FI).
 

Notes     (Last Modified On 5/5/2009)
general taxon notes:
Eurhynchium coarctum is characterized by its plicate leaves with slender, piliferous leaf apices and by its long rostrate opercula. It is very similar to species of Brachythecium in leaf morphology, but its long rostrate operculum is a characteristic of Eurhynchium.

 

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3. Eurhynchium coarctum Müll. Hal.   狭叶美喙藓   xia ye mei hui xian
Nuovo Giorn. Bot. Ital., n.s., 5: 198. 1898. Brachythecium coarctum (Müll. Hal.) Ignatov & Huttunen, Arctoa 11: 267. 2002[2003]. Type: China. Shaanxi, Nov. 1896, Giraldi s.n.
 
Plants medium-sized, yellowish green, in large mats. Stems prostrate, to ca. 4 cm long, irregularly pinnately branched, densely foliate; branches julaceous, somewhat curved, attenuate at tips. Stem leaves densely imbricate, multi-plicate, broadly ovate-lanceolate, 1.9–2.2 mm × ca. 0.8 mm, concave, slenderly acuminate at apex, broad at insertion, somewhat decurrent at base; margins incurved, entire; costae stout at base, slender above, ending in leaf apex, projecting at tips; median leaf cells linear-rhomboidal, 55–85 µm × 6–8 µm; alar cells often more or less differentiated, shortly rectangular; branch leaves narrowly ovate-lanceolate, 1.1–1.6 mm × 0.3–0.4 mm. Autoicous, with multiple sporophytes per perichaetium. Perichaetial leaves sheathing at base, slenderly acuminate. Setae ca. 20 mm long, purple, twisted, papillose; capsules slightly inclined, necks shortly developed; opercula long-rostrate, slightly oblique; annuli well developed; peristome double; exostome teeth reddish, lanceolate, papillose above, cross-striolate below, trabeculate on ventral surface; endostome segments linear, as long as teeth, keeled, perforate; basal membrane high; cilia 2, well developed, nodulose. Spores not seen.
 
 
 
 


 

 
 
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