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Moss China | Family List | Moss China V. 1 | Leucobryaceae | Leucobryum

3. Leucobryum bowringii Mitt., J. Linn. Soc., Bot., Suppl. 1: 26. 1859.


Leucobryum angustifolium Wils. in Par., Index Bryol. 748. 1897, nom. nud. Leucobryum confine Card., Beih. Bot. Centralbl. 19(2): 97, f. 4. 1905. Leucobryum lutschianum C. Müll. in Salm., J. Linn. Soc. Bot. 34: 453. 1900, nom. nud. Leucobryum sericeum Broth. ex Geh., Biblioth. Bot. 44: 4, Pl. 26. 1898. Leucobryum subsericeum Dix., Hong Kong Natural. Suppl. 2: 6, f. 2a. 1933. Type. China: Guangdong (Kwangtung), Herklots s.n. (holotype BM).

Plants small to medium-sized, 1–2 cm high, grayish green, often lustrous, in soft and dense tufts. Stems erect, simple or branched; central strand present. Leaves densely tufted on rather short stems, flexuose or contorted when dry, falling off easily, oblong-ovate to oblong-elliptic at base, lanceolate to linear-lanceolate above, gradually narrowed to subtubulose apices from oblong base; costa thin, filling almost the entire leaf acumina, dorsal side of leaf acumina smooth; in cross section, chlorocysts quadrangular, leucocysts in 1–2 layers on both sides of chlorocysts; laminal cells 5–9 (–12) rows of rectangular to linear cells near leaf base, often thick-walled, porous, only 1–2 rows of linear cells above, forming indistinct borders. Dioicous. Setae slender, reddish, to 2 cm long; capsules horizontal to inclined, ovoid to ellipsoid; opercula conic-rostrate with long beak; annuli none; peristome teeth 16, divided from tips to the middle, papillose. Calyptrae cucullate. Spores not seen.

Type. Sri Lanka: Gardner 1279.

Chinese specimens examined: ANHUI: Huangshan (Mt.), P.-C. Chen et al. 7302 (IBSC, PE). FUJIAN: Sanming City, D.-K. Li 01654 (IBSC, SHM). GUANGDONG: Cong-hua Co., W.-T. Tsang 24999 (MO); Ding-hu-shan (Mt.), P.-J. Lin et al. 146 (IBSC, MO); Guang-zhou City, P.-J. Lin 26b (IBSC); Ru-yuan Co., P.-J. Lin 598 (IBSC); Shi-xing Co., Lin & Yang 4448b (IBSC, MO). GUANGXI: Long-sheng Co., P.-C. Wu et al. 1064a (IBSC, PE); Rong-shui Co., X.-L. 00615 (MO, PE); Shang-si Co., P.-J. Lin et al. 2033 (IBSC); Xing-an Co., S.-S. Hu 80401 (MO). GUIZHOU: Lu-chong-guan (Mt.), Guiyang Teacher’s Coll. 230 (IBSC). HAINAN: Chang-jiang Co., Reese 17579, 17681 (LAF, MO); Bahuang Forest Station, P.-Z. Zheng 141 (IBSC); Diaoluo Shan (Mt.), P.-J. Lin et al. 2885 (IBSC); Jianfengling (Mt.), P.-C. Chen et al. 491 (IBSC, PE); Ledong Co., Reese 17784 (LAF, MO); Limouling (Mt.), P.-J. Lin et al. 174 (IBSC); Wuzhi Shan (Mt.), P.-J. Lin et al. 2099 (IBSC). HONG KONG: Victoria Peak, Z. Iwatsuki 9 (NICH). HUBEI: Daishennong Nature Sanctuary, Zhang & Bai 34608 (IBSC, IFSBH). HUNAN: Mangshan (Mt.), P.-J. Lin 806 (IBSC); Zhangjiajie (Mt.), D.-K. Li 18201 (IBSC, SHM). JIANGXI: Lu Shan (Mt.), P.-J. Lin 369 (IBSC). SICHUAN: E Mei Shan (Mt.), P.-J. Lin 115 (IBSC); Jinfo Shan (Mt.), W.-M. Zhu s.n (IBSC, YUKU). TAIWAN: Chia-yi Co., C.-K. Wang 1721 (NICH); Tai-pei Co., M.-J. Lai & J.E. Lewis 0108 (MO), S.-S. Lin s.n. [Bryophyte of Taiwan Exsiccatae 224] (MO, NICH); Tai-tung Co., C.-C. Chuang 5128 (MO), C.-I. Peng 84-17, 84-22 (MO). XIZANG: Bo-mi Co., M. Zang s.n. (IBSC, KUN). YUNNAN: Gong-shan (Mt.), C.-W. Wang 7223 (IBSC, PE); Jing-hong Co., Redfearn et al. 34292 (MO); Wei-xi Co., M.-Z. Wang 5363c (IBSC, PE); Xi-shuang-banna, W.-X. Xu 11164 (IBSC, YUKU). ZHEJIANG: Hangzhou City, R.-L. Hu s.n. (IBSC, HSNU); Tianmu Shan (Mt.), Y.-F. Wang s.n. (HSNU, IBSC).

Habitat: on soil, rocks, and tree trunks under evergreen broad-leafed forests; Distribution: China, Japan, India, Sri Lanka, Thailand, Cambodia, Vietnam, Indonesia, Malaysia, the Philippines, and New Guinea.

Illustrations: Pl. 66, figs. 1–5. Yamaguchi 1993 (Pls. XLV–XLVIII).


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