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Published In: Journal of the Hattori Botanical Laboratory 33: 360. 1970. (J. Hattori Bot. Lab.) Name publication detail

Project Name Data (Last Modified On 4/1/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Plagiothecium cavifolium (Brid.) Z. Iwats. (Figs. 1–9.)
Map: Plagiothecium cavifolium (Brid.) Z. Iwats. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on soil, rocks, and rotten wood; alt. 790–4040 m.
Distribution: China, Nepal, Japan, Korea, Russia, Europe, and North America.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Dabie, K.-H. Cai 1929, 2458 (both in HSNU); Mt. Jiuhua, Z.-L. Liu 3081 (SHM). Chongqing: Nan-chuan Co., M.-Z. Wang 860044f (MO). Fujian: Mt. Wuyi, C.-H. Gao 7300, D.-K. Li 9217 (both in SHM), B.-J. Lin 3002 (IBSC). Gansu: Tian-shui Co., J.-C. Liu 10439 (SHM). Guizhou: Mt. Fanjing, Bourell 4629, 4703 (both in MO). Hong Kong: M.-L. Su 425c (HKBU). Hunan: Mt. Hengshan, J.-X. Luo 96303, 96311, 96333Jilin: Mt. Laoyeling, C. Gao 1561, 4184 (both in IFSBH); Chang-bai Co., C. Gao 1599, 4170 (both in IFSBH). Liaoning: Kuan-dian Co., T. Cao & S.-Z. Wang 38261, 38633Nei Mongol: Da Xing An Ling (Mt.), C. Gao 4167 (IFSBH). Shaanxi: Mt. Taibai, Q. Huang et al. 2093 (MO), Z.-P. Wei 5187, 6747 (both in WUK). Shandong: Qing-dao City, Z.-G. Tong 1046 (HIMC). Sichuan: Ma-er-kang Co., S. He 31157 (MO); Mt. Omei, D.-K. Li 15255, 16032 (both in SHM); Nan-ping Co., S. He 30318a (MO); Pu-xiong Co., Z.-T. Guan 7381 (MO); Xiang-cheng Co., S. He 31758 (MO). Taiwan: Tara 23602 (IBSC); Miao-li Co., Shevock 14381, 18095 (both in CAS, MO); Tai-chung Co., Shevock 18036 (CAS, MO). Xinjiang: He-jing Co., S. He 951162, 951180 (both in MO). Xizang: Mo-tuo Co., Y.-G. Su 2835 (HKAS); Ya-dong Co., Y.-C. Yang 9a (PE), M. Zang 556, 588a (both in HKAS). Yunnan: Gong-shan Co., M.-Z. Wang 8074 (PE), Q.-W. Wang 6868 (MO); Jing-dong Co., J.-K. Zhang 1200 (YUKU); Meng-la Co., Magill et al. 7639 (MO); Shangri-la Co., H.-F. Xie 1965 (MO). Zhejiang: Mt. Jiulong, Z.-L. Liu 4137 (HSNU); Mt. Mogan, D.-K. Li 12428, 12438 (both in SHM); Mt. West Tianmu, D.-K. Li 3546 (SHM). (both in MO). (all in PE), Y.-G. Yang 26 (MO).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
The leaf shape and sizes, as well as the leaf cells are quite variable in Plagiothecium cavifolium.


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1. Plagiothecium cavifolium (Brid.) Z. Iwats.   圆条棉藓   yuan tiao mian xian
J. Hattori Bot. Lab. 33: 360. 1970. Hypnum cavifolium Brid., Bryol. Univ. 2: 556. 1827. Type: Newfoundland.
Plagiothecium cavifolium var. fallax (Cardot & Thér.) Z. Iwats., J. Hattori Bot. Lab. 33: 363. 1970. Plagiothecium fallax Cardot & Thér., Proc. Wash. Acad. Sci. 4: 336. 1902.
Plagiothecium cavifolium fo. otii (Sakurai) Z. Iwats., J. Hattori Bot. Lab. 33: 360. 1970. Plagiothecium otii Sakurai, Bot. Mag. Tokyo 62: 113. 1949.
Plagiothecium sylvaticum var. cavifolium Jur. in Rabenh., Bryoth. Eur. 16: 785. 1864.
Plagiothecium sylvaticum var. roeseanum (Schimp.) A. W. H. Walther & Molendo, Laubm. Oberfrank. 177. 1868. Plagiothecium roeseanum Schimp. in B.S.G., Bryol. Eur. 5: 193, pl. 504. 1851.
Plants small to medium-sized, pale green or yellowish green, glossy, in dense mats. Stems prostrate, irregularly branched; branches ascending, more or less julaceous, often complanate near tips; leafy branches 7–10 mm × 2.0–2.5 mm; central strand present. Stem and branch leaves similar, imbricate, symmetric or somewhat asymmetric, ovate or elliptical, 1.3–2.0 mm × 0.6–1.0 mm, distinctly concave, abruptly apiculate, reflexed at apex; margins entire below, somewhat serrulate at apex; costae short, double, sometimes reaching to mid-leaf; median leaf cells linear-rhomboidal, 60–120 µm × 8–12 µm; apical cells shorter, broader; basal cells somewhat thick-walled; alar regions decurrent, consisting of 2–3 rows of rectangular or linear-rhomboidal cells. Brood bodies numerous. Dioicous. Male and female plants similar. Perichaetial leaves shortly ovate-lanceolate, ca. 2.5 mm long, sheathing at base; costae short. Setae 10–15 mm long, reddish brown below, yellowish above; capsules erect, oblong, slightly inclined, sometimes curved, 2.0–2.5 mm long; opercula conic-rostrate; annuli developed; stomata present at neck; peristome typical for the genus; cilia 1–3, nodulose. Spores 10–13 µm in diameter, papillose.


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