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Plagiothecium undulatum (Hedw.) Schimp. 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: Bryologia Europaea 5: 195. 506 (fasc. 48 Monogr. 17 13). 1851. (Bryol. Eur.) Name publication detail
 

Project Name Data (Last Modified On 4/1/2009)
Acceptance : Accepted
Project Data     (Last Modified On 4/1/2009)
General Reference:

Illustration & Map     (Last Modified On 4/1/2009)
Related Objects:
Illustrations: R.-L. Hu & Y.-F. Wang (eds.) 2005 (Pl. 106, figs. 1–13).


Click here for distribution map.
 

Map: Plagiothecium undulatum (Hedw.) Schimp. (Distribution in China)

Distribution     (Last Modified On 4/1/2009)
Distribution:
Habitat: on soil; alt. 1500–3600 m.
Distribution: China, Russia, Europe, and North America.
 

Specimens Examined     (Last Modified On 4/1/2009)
Specimens Examined:
Chinese specimens examined: Guizhou: Mt. Fanjing, Bourell 4704 (MO). Heilongjiang: Xiao Xing An Ling (Mt.), Y.-L. Zhang 526 (PE). Xizang: Cha-yu Co., J.-W. Zhang 7306 (HKAS); Mo-tuo Co., Y.-G. Su 4954 (HKAS); Ya-dong Co., M. Zang 238, 549 (both in HKAS). Yunnan: Gong-shan Co., M.-Z. Wang 8836 (PE), Q.-W. Wang 7239 (SHM); Jing-dong Co., J.-K. Zhang 16651 (YUKU); Yang-bi Co., Redfearn et al. 826 (MO).
 

Notes     (Last Modified On 4/1/2009)
general taxon notes:
Plagiothecium undulatum is similar to P. neckeroideum, but it differs by the large, stout, pale green plants and the longer and broader median leaf cells (96–175 µm × 7–11 µm vs. 70–100 µm × 5–7 µm).

 

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17. Plagiothecium undulatum (Hedw.) Schimp. in B.S.G.   波叶棉藓   bo ye mian xian
Bryol. Eur. 5: 195. 1852. Buckiella undulata (Hedw.) Ireland, Novon 11: 55. 2001. Hypnum undulatum Hedw., Sp. Musc. Frond. 242. 1801. Type: Europe.
 
Plants rather large, stout, pale green, whitish green, or yellowish green, not or somewhat glossy, in thick mats. Stems prostrate, to 10 cm long, irregularly branched; leafy branches complanate, sometimes ascending, somewhat julaceous. All leaves imbricate, ovate to ovate-lanceolate, 2.0–5.0 mm × 1.0–2.3 mm, concave, slightly asymmetric, distinctly undulate, acute at apex; margins plane, entire or serrulate near leaf apex; leaf cells covered with minute, granular, cuticular papillae on abaxial surfaces; median cells narrowly rhomboidal, 96–175 µm × 7–11 µm, thin-walled; apical cells shorter; basal cells porose; alar regions decurrent, in a triangular shape, consisting of 1–3 rows of rectangular cells, ending with a single, elongate cell. Dioicous. Setae 25–45 mm long, brownish to reddish; capsules suberect to inclined, sometimes wrinkled, 1.5–4.0 mm long, often curved, constricted below the mouth when dry; opercula conic-rostrate, 0.8–1.2 mm long; annuli well developed, deciduous; cilia 2–3. Spores not seen.
 
 
 


 

 
 
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