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Published In: Journal of the Hattori Botanical Laboratory 48: 117. 1980. (J. Hattori Bot. Lab.) Name publication detail

Project Name Data (Last Modified On 3/31/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Mesonodon flavescens (Hook.) W.R. Buck (Figs. 1–10.)
Map: Mesonodon flavescens (Hook.) W.R. Buck (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: often on tree trunks, rarely on rocks; alt. 600–1900 m.
Distribution: China, India (including Sikkim), Nepal, Sri Lanka, Myanmar, Thailand, Laos, Vietnam, Malaysia, Indonesia (including Sulawesi), the Philippines, and Papua New Guinea.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: She-xian Co., W.-F. Zheng 529, 640, 706 (all in HSNU). Xizang: Mo-tuo Co., K.-Y. Lang 522a (PE). Yunnan: Cang-yuan Co., S.-M. Yu 86-1629 (HKAS); Jing-hong Co., Magill et al. 7736 (MO); Lu-xi Co., X.-J. Li 77-57 (HKAS); Meng-cang Co., X.-J. Li 80-2351 (HKAS); Meng-hai Co., Magill et al. 7908, Redfearn 34118 (both in MO); Meng-la Co., Magill 7608 (MO), L. Zhang 615, 633 (both in HKAS); Si-mao Co., P.-J. Lin 3207 (HKAS); Xishuangbanna, X.-J. Li 80-2071 (HKAS).


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1. Mesonodon flavescens (Hook.) W. R. Buck   黄色斜齿藓   huang se xie chi xian
J. Hattori Bot. Lab. 48: 117. 1980. Campylodontium flavescens (Hook.) Bosch & Sande Lac., Bryol. Jav. 2: 128. 1865. Pterogonium flavescens Hook., Musci Exot. 2: 155. 1819. Type: Nepal.
Plants medium-sized to rather large, yellowish green to brownish, glossy, in dense mats. Stems prostrate, irregularly branched; branches short, erect or ascending, often julaceous, densely foliate. Leaves imbricate when dry, erect-spreading when moist, ovate-lanceolate, 2.0–2.3 mm × 0.8–0.9 mm, plicate, concave, gradually acute at apex; margins plane, entire below, serrulate near apex; costae absent; median leaf cells linear-rhomboidal, 70–80 µm × 8–9 µm, smooth; alar cells differentiated into a triangular group, quadrate to shortly rectangular. Setae straight, to ca. 15 mm long, smooth; capsules erect, shortly cylindrical; opercula long conic-rostrate; peristome double, inserted well below the mouth; exostome teeth cross-striolate below, papillose above; endostome linear, often recurved. Calyptrae cucullate, smooth. Spores 18–28 µm in diameter, papillose.


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