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Moss China | Family List | Moss China V. 2 | Pottiaceae | Molendoa

1. Molendoa hornschuchiana (Hook.) Lindb. ex Limpr., Laubm. Deutschl. 1:248. 1886; Hedwigia hornschuchiana Hook., Musci Exot. 2: 103. 1819.


Molendoa hornschuchiana f. barbuloides Broth., Symb. Sin. 4: 29. 1929. Type. China: Sichuan, Yen-yuan Co., Handel-Mazzetti 2385 (lectotype H); Yunnan, Li-jiang Co., Handel-Mazzetti 4304 (syntype H). Molendoa hornschuchiana f. fragilis Gyoerffy in Broth., Symb. Sin. 4: 29. 1929. Type. China: Sichuan, Ning-yuen, Handel-Mazzetti 1406 (holotype H).

Plants medium-sized to rather robust, (2.5–)4–5.5(–10) cm high, bright green to brownish green, in loose tufts. Stems erect, distantly branched, but densely foliate; central strand weakly differentiated. Leaves involute or weakly crisped when dry, erect-spreading when moist, narrowly to linear-lanceolate, 1.4–3.5 mm x 0.3–0.5 mm, sheathing at the base, gradually acuminate; margins nearly entire in the upper half, serrulate in the lower half; costa stout, percurrent to shortly excurrent; upper leaf cells irregularly rounded hexagonal to rounded quadrate, thick-walled, 7–19 µm x 6–16 µm, with several simple low papillae; basal cells oblong hexagonal to narrowly rectangular, 14–44 µm x 8–14 µm, usually smooth. Sporophytes terminal on later branches. Setae short; capsules obovoid; opercula with a long, oblique beak.

Type. Europe.

Chinese specimens examined: HUNAN: Sang-zhi Co., D.-K. Li 18476, 18541 (HKAS, SHM). JIANGXI: Jing-gang Shan (Mt.), D.-K. Li 16735 (HKAS, SHM). SHANXI: Wang-zhuang, Fen-he River, Y.-J. Lin 59009 (HKAS). SICHUAN: Nan-chuan Co., X.-Y. Hu 0410 (MO, PE); Song-pan Co., Allen 7267 (MO). YUNNAN: Li-jiang Co., Yu-long Shan (Mt.), W.-X. Xu s.n. (HYUB).

Habitat: usually on rocks; also on soil walls or ground in forests; Distribution: China, Russia, Europe, and northern Africa.

Illustrations: C. Gao (ed.) 1996 (Pl. 48, figs. 19–23).


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