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Published In: Journal of the Hattori Botanical Laboratory 33: 348. 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 euryphyllum (Cardot & Thér.) Z. Iwats. (Figs. 1–8.)
Map: Plagiothecium euryphyllum (Cardot & Thér.) Z. Iwats. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on rocks and bases of trees; alt. 800–1900 m.
Distribution: China, Japan, and Korea.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Huangshan, C.-H. Gao 21074 (SHM). Fujian: Mt. Wuyi, D.-K. Li & C.-H. Gao 11024, 12550, 13068, 13444 (all in SHM); Mt. Meihua, D.-K. Li 20950, 21496, 21572 (all in SHM). Guizhou: Mt. Fanjing, G.-Z. Jiang 21324 (SHM). Hainan: Chang-jiang Co., Redfearn 35825 (MO). Hong Kong: M.-L. Su 912A (HKBU). Hunan: Mt. Hengshan, Y.-G. Yang 26 (SHM); Mt. Nanyue, J.-X. Luo 96264, 96411, 96627Jiangsu: Yi-xing Co., C.-H. Gao 26798, D.-K. Li 20288 (both in SHM). Jiangxi: Mt. Sanqing, D.-K. Li 19818, 19988, 20405, X.-M. Zhao 300, 824 (all in SHM); Mt. Wuyi, Z.-L. Liu 34992 (SHM); Quan-nan Co., Z.-L. Liu 34617 (SHM). Sichuan: Mt. Omei, D.-K. Li 15369, 15527, R.-L. Lu 6229 (all in SHM). Taiwan: C.-C. Chung 1673, 21644 (both in IBSC). Zhejiang: Hangzhou City, D.-K. Li 12325 (SHM); Mt. Mugan, D.-K. Li 12470 (SHM); Mt. West Tianmu, D.-K. Li 3710 (SHM). (all in PE).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
Plagiothecium euryphyllum var. euryphyllum is characterized by having broadly acute leaf apices, non-undulate leaves, long linear leaf cells, and thick-walled cortical cells in stem cross section.


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4. Plagiothecium euryphyllum (Cardot & Thér.) Z. Iwats.   直叶棉藓   zhi ye mian xian
J. Hattori Bot. Lab. 33: 348. 1970. Isopterygium euryphyllum Cardot & Thér., Bull. Acad. Int. Géogr., Bot. 18: iii. 1908. Type: Japan. Oshima, Ferrie s.n.
Plagiothecium splendens Schimp. ex Cardot, Bull. Soc. Bot. Genève, ser. 2, 4: 384. 1912.


4a. Plagiothecium euryphyllum var. euryphyllum   直叶棉藓原变种   zhi ye mian xian yuan bian zhong
Plants medium-sized, pale green or yellowish green, somewhat glossy, in loose mats. Stems prostrate, irregularly branched; leafy branches creeping or ascending, complanate; central strand differentiated. All leaves somewhat asymmetric, slightly contorted when dry, ovate or elliptical, 1.3–2.4 mm × 0.8–1.2 mm, broadly acute, more or less undulate at apex; margins entire below, serrulate near apex; costae double, rather thick, reaching near mid-leaf or slightly above; median leaf cells linear, 80–140 µm × 5–7 µm, thin-walled; apical cells shorter; basal cells broader, thick-walled, porose; alar cells rectangular, hyaline, thin-walled, shortly decurrent, cells of leaf decurrency shortly broad-rectangular, sharply different from other basal cells. Brood bodies as gemmae often consisting of 3–4 cells. Dioicous. Male and female plants similar. Perichaetial leaves shortly ovate-lanceolate, ca. 1.8 mm long, often sheathing at base, median cells 100–150 µm × 10–13 µm. Perigonia bud-like. Setae 15–30 mm long, reddish brown or yellowish brown; capsules inclined to horizontal, ellipsoidal or cylindrical, 2.0–2.5 mm long, nearly symmetric; opercula shortly conic-rostrate, with erect beaks; annuli developed, consisting 2 rows of inflated cells; stomata present at neck; peristome typical for the genus; cilia 2–3. Spores 10–13 µm in diameter, minutely papillose.

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There are two varieties of this species found in China.

4a. Plagiothecium euryphyllum var. euryphyllum

4b. Plagiothecium euryphyllum var. brevirameum (Cardot) Z. Iwats.  



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