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!Isopterygium tenerum (Sw.) Mitt. 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: Journal of the Linnean Society, Botany 12: 499. 1869. (J. Linn. Soc., Bot.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 4/2/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Isopterygium tenerum (Sw.) Mitt. (Figs. 1–19.)
Map: Isopterygium tenerum (Sw.) Mitt. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Distribution:
Habitat: on tree trunks, rocks, or soil; alt. 1000–3000 m.
Distribution: China, Japan, India, North America, and South America.
 

 


Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Shi-tai Co., X.-H. Guo 830730 (HSNU). Fujian: Mt. Gu, M. Zang 803 (HKAS); Nan-jing Co., G.-C. Zhang & J.-Y. Feng 317, 430, 667 (all in IFSBH). Jiangxi: Mt. Lu, E.-Z. Bai s.n. (IFSBH). Sichuan: Li-xian Co., X.-J. Li 1761, 1853b (both in HKAS); Mu-li Co., Collector Unknown 83-643 (HKAS). Taiwan: Nan-tou Co., S. He 36083a, 36121, 36302 (all in MO); Tai-pei Co., Shevock 15035 (CAS, MO). Yunnan: Gong-shan Co., M. Zang s.n. (HKAS).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
Isopterygium tenerum is a variable species, especially in the sizes of plants, but it is generally characterized by the erect-spreading, distinctly complanate leaves that are often brownish or dark-reddish, and by the somewhat differentiated alar cells.

 

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8. Isopterygium tenerum (Swartz) Mitt.    柔叶同叶藓   you ye tong ye xian
J. Linn. Soc., Bot. 12: 499. 1869. Aptychus tener (Swartz) C. Müll., Hedwigia 36: 121. 1897. Hypnum tenerum Swartz, Fl. Ind. Occid. 3: 1817. 1806. Type: Jamaica. Swartz s.n.
Plagiothecium micans (Swartz) Par., Index Bryol. 963. 1897. Isopterygium micans (Swartz) Kindb., Enum. Bryin. Exot. 21. 1888. Hypnum micans Swartz, Adnot. Bot. 175. 1829.
Isopterygium micans var. fulvum (Jaeg.) Par. ex Iwats., J. Hattori Bot. Lab. 20: 335. 1958. Plagiothecium fulvum Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 450. 1878.
 
Plants slender, pale green or yellowish green, sometimes yellowish brown. Stems ca. 5 cm long, subpinnately branched, radiculose; pseudoparaphyllia filamentous, usually uniseriate, rarely biseriate. Leaves erect-spreading, often secund toward one side, not plicate, symmetric or asymmetric, 0.7–1.8 mm × 0.2–0.6 mm, not decurrent or 1–2 cells decurrent, elliptic- or triangular-lanceolate, acuminate at apex; margins entire or serrulate above; costae short, double or forked; leaf cells smooth, linear, 50–150 µm × 5–8 µm; alar cells differentiated, shortly rectangular or quadrate. Brood bodies present, usually in clusters in leaf axils, 0.5 mm × 0.16–0.20 mm, filiform, papillose, simple or branched. Autoicous. Perigonia and perichaetia numerous on base of stems; perigonial leaves small, triangular- or ovate-lanceolate. Perichaetial leaves triangular-lanceolate, acuminate or filiform at apex. Setae 8–20 mm long, brownish or reddish brown; capsules horizontal or inclined, arcuate, asymmetric, oblong-ovoid, 1.0–1.3 mm long, constricted below the mouth when dry; opercula conic, slenderly and obliquely rostrate; annuli not differentiated; peristome teeth orange-brown, segments brownish, with 1–2 cilia. Spores 10–15 µm in diameter, papillose.
 
 
 
 


 

 
 
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