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Moss China | Family List | Moss China V. 1 | Dicranaceae | Dicranoloma

1. Dicranoloma assimile (Hampe) Paris, Index Bryol. (ed. 2). 2: 24. 1904; Dicranum assimile Hampe, Icon. Musc. 24. 1844.

Dicranoloma formosanum Broth., Ann. Bryol. 1: 17. 1928. Type. China: Taiwan, Tai-chung Co., Tankitaka Mt., Y. Shimada 2468 (holotype H). Dicranoloma monocarpum Broth., Philippine J. Sci. 13: 202. 1918. Dicranum sericifolium Dix., Hong Kong Naturalist, Suppl. 2: 4. 1933. Type. China: Hong Kong, Lan Tau Peak, Herklots 349 (lectotype BM).

Plants robust, up to 10 (–15) cm high, yellowish green to yellowish brown, somewhat shiny, in dense tufts. Stems erect, branched, often tomentose; central strand present. Leaves crowded, flexuose, falcate-secund when dry, lanceolate from a broad, ovate, deeply concave base, gradually narrowed to a slightly channeled, linear-lanceolate apex; margins plane or inflexed, sharply serrate in the upper half; costa narrow, percurrent to shortly excurrent, with two serrate wings at back above; upper cells irregularly rhomboidal or short-rectangular, often not porose; lower cells elongate rhomboidal to rectangular, porose, basal marginal cells elongate and linear, becoming hyaline; alar cells forming large auricles, extending halfway to the costa. Dioicous. Perichaetial leaves long-sheathing at the base, abruptly subulate above. Setae usually 2–3 per perichaetium, ca. 1.5 cm long; capsules elongate-cylindric, strongly curved, urns 2–4 mm long; opercula obliquely long-rostrate; annuli developed into one row of large cells; peristome teeth reddish, 2-divided, below the middle. Spores not seen.

Type. Indonesia: Java, D. Junghuhn s.n.

Chinese specimens examined: FUJIAN: Wuyi Shan (Mt.), P.-J. Lin 2348 (IBSC, IFSBH). GUIZHOU: Jiang-kou Co., C. Gao & J.-Y. Feng 32390 (IFSBH). HAINAN: Jianfengling (Mt.), C.-H. Gao 25730 (IFSBH, SHM). HONG KONG: Lan Tau Peak, Herklots 358 (syntype BM). TAIWAN: Tai-dong Co., Ohashi 320 (TNS, fide C.-C. Chuang 1973). XIZANG: Mo-tuo Co., Y.-G. Su 2973 (IFSBH, KUN). ZHEJIANG: Xitianmu Shan (Mt.), Y.-F. Wang s.n. (HSNU, IFSBH).

Habitat: on bases of trees, rotten wood, or rarely on rocks; Distribution: China, Malaysia, Indonesia, the Philippines, and Papua New Guinea.

Illustrations: Pl. 37, figs. 1–5.


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