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Zygodon obtusifolius Hook. 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: Musci Exotici 2: 159. 1819. (Musci Exot.) Name publication detail
 

Project Name Data (Last Modified On 12/15/2011)
Acceptance : Accepted
Distribution     (Last Modified On 12/13/2011)
Distribution:
Habitat: on tree trunk, on rock; alt. 500–2000 m.
Distribution: China, Nepal, Sri Lanka, Mexico, Central America, Brazil, New Zealand, and Australia.
 

Specimens Examined     (Last Modified On 12/13/2011)
Specimens Examined:
Chinese specimens examined: Yunnan: Fu-gong Co., Long 34918 (E, MO); Kunming City, W.-X. Xu 50 (PE, YUKU); Meng-hai Co., Magill et al. 7984 (MO), Redfearn et al. 34225 (MO), W.-X. Xu 6279 (PE, YUKU); Teng-chong Co., Long 32419 (E, PE); Yang-bi Co., Redfearn et al. 891, 938 (both in MO).
 

Notes     (Last Modified On 12/13/2011)
general taxon notes:
This species is similar to Zygodon hookeri Hampe from Australia and New Zealand in having serrulate leaf margins; but Z. obtusifolius differs by its larger plant sizes (ca. 2.5 cm high) and percurrent costae. Plants are smaller (less than 2 cm high), and the costae are subpercurrent in Z. hookeri.

 

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2. Zygodon obtusifolius Hook.  钝叶变齿藓   dun ye bian chi xian
Musci Exot. 2: 159. 1819. Leratia obtusifolia (Hook.) Goffinet, Monogr. Syst. Bot. Missouri Bot. Gard. 98: 286. 2004. Bryomaltaea obtusifolia (Hook.) Goffinet, Bryol. Twenty-first Cent. 151. 1998. Codonoblepharon obtusifolium (Hook.) A. Jaeger, Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1872–73: 119. 1874. Type: Nepal.
Zygodon erythrocarpus Müll. Hal., Linnaea 42: 365. 1879.
Zygodon neglectus Hampe ex Müll. Hal., Hedwigia 37: 133. 1898.
 
Plants medium-sized, slender, usually yellowish green above, brown or black below, in dense mats. Stems to ca. 2.5 cm high, stiff, irregularly branched, with rhizoids at the base; central strand absent. Leaves appressed or inflexed when dry, erect-spreading when moist, narrowly lingulate or ovate-lingulate, 0.6–1.0 mm long, somewhat keeled, rounded-obtuse at the apex; margins plane above, reflexed below, entire; costae strong, percurrent, papillose on the back; upper leaf cells rounded to rounded-quadrate, 6–8 µm wide, papillose, thick-walled; lower cells elongate, thin-walled, smooth; juxtacostal cells rectangular; alar cells consisting of 2–3 rows of quadrate cells. Dioicous. Inner perichaetial leaves longer than vegetative leaves, plane, with a narrow apex. Setae 2.5–4.5 mm long; capsules erect, elongate-pyriform, 0.7–1.4 mm long, 8-ribbed when dry; opercula conic with a short rostratum; exothecial cells differentiated in longitudinal bands; stomata present on the neck of capsules; peristome double; exostome teeth well developed, reflexed or recurved when old, papillose; endostome segments 8 or 16, well developed, shorter than the teeth, inflexed, vertically striolate below, striolate or coarsely papillose above; basal membrane low. Calyptrae cucullate, smooth. Spores spherical, 8–13 µm in diameter, smooth.
 
 
 


 

 
 
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