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Published In: Musci Exotici 2: 159. 1819. (Musci Exot.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 12/15/2011)
Acceptance : Accepted
Distribution     (Last Modified On 12/13/2011)
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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