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Published In: Bryologia Javanica 1(5): 35–36. 1854. (Bryol. Jav.) Name publication detail

Project Name Data (Last Modified On 4/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Diphyscium mucronifolium Mitt. (Figs. 1–7.)
Map: Diphyscium mucronifolium Mitt. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on rocks or soil, occasionally submerged; alt. 500–2250 m.
Distribution: China, Japan, India, Thailand, Vietnam, Indonesia, Malaysia, the Philippines, New Guinea, Australia, and North America.


Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:


Chinese specimens examined: Chongqing: Mt. Jinyu, P.-C. Chen 75773 (PE). Fujian: Jiang-le Co., M.-Z. Wang 47474 (PE). Guangdong: Ding-hu Shan (Mt.), Crosby 15246, 15254 (both in MO). Hainan: Chang-jiang Co., Redfearn et al. 35896 (FH, MO, NY), P.-C. Wu 24334, 24337, 24484 (all in PE); Le-dong Co., P.-C. Chen 390, 573, 632 (all in PE), Redfearn 36043 (MO), Reese 17808 (MO); Li-shui Co., Redfearn 36161 (MO). Taiwan: Miao-li Co., S.-H. Lin s.n. [Bryophytes of Taiwan Exsiccatae ser. 5, no. 212 (MO)]; Nan-tou Co., C.-C. Chuang 256 (PE, UBC), M.-J. Lai 1579 (MO), M.-J. Lai 11530 (B, BM, FH, L, NY, PE); Tai-nan Co., T.-Y. Chiang 5670 (B); Yu-lin Co., T.-Y. Chiang 24530 (MO). Yunnan: Jing-hong Co., Crosby 15169 (MO); Xishuangbanna, W.-X. Xu 6940, 6941 (both in MO, PE).


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6. Diphyscium mucronifolium Mitt. in Dozy & Molk.   卷叶短颈藓   juan ye duan jing xian
Bryol. Jav. 1: 35. Pl. 26. 1855. Webera mucronifolia (Mitt.) Broth., Nat. Pflanzenfam. I(3): 664. 1904. Type: Borneo. Labuan, Motley 4 (holotype NY).
Diphyscium involutum Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 149. 1859. Webera involuta (Mitt.) Broth., Nat. Pflanzenfam. I(3): 664. 1904.
Plants small to medium-sized, 5–24 mm high, often in clumps. Stems usually simple, rarely branched; in stem cross section a central strand present. Leaves curled when dry, erect-spreading when moist, 3–6 mm × 0.3–1.0 mm, oblong-lanceolate to ligulate, acute to broadly acute, mucronate to apiculate at apex; leaf margins entire throughout, 2–4 cells thick in cross section; costa percurrent or shortly excurrent, with two stereid bands; leaf cells unistratose at base, bistratose above; median cells rounded to quadrate, 5–12 µm in diameter, smooth; basal cells rectangular, 15–50 µm × 4–10 µm, hyaline, smooth. Axillary hairs 5–15 cells long. Dioicous. Male plants usually smaller than female plants. Perichaetia terminal; perichaetial leaves lanceolate, awn excurrent, smooth; margins dissected or laciniate above. Setae short, to 0.3 mm long; capsules oblong-ovoid, obliquely asymmetric, 3–5 mm × 1.0–2.5 mm, abruptly narrowed at base and mouth; exothecial cells collenchymatous; stomata absent; annuli well differentiated, consisting of 1–3 rows of thick-walled cells; opercula conic, to 1 mm long, obtuse; peristome present. Calyptrae conic, smooth. Spores spherical, 8–14 µm in diameter, papillose.


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