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!Ptychomitrium linearifolium Reimers & Sakurai Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 64: 539. 1931. (Bot. Jahrb. Syst.) Name publication detail
 

Project Name Data (Last Modified On 3/13/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/4/2009)
General Reference:

Illustration & Map     (Last Modified On 5/4/2009)
Illustrations: Ptychomitrium linearifolium Reimers & Sakurai (Figs. 1–10.)
Map: Ptychomitrium linearifolium Reimers & Sakurai (Distribution in China)

Distribution     (Last Modified On 5/4/2009)
Distribution:
Habitat: on rocks and boulders, sometimes on thin soil over rocks in mountains.
Distribution: China, Korea, and Japan.
 

Specimens Examined     (Last Modified On 5/4/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Huang Shan (Mt.), P.-C. Chen 7323 (PE); Yun-gu Temple, 17 May 1982, C. Gao s.n. (MO). Fujian: Wuyi Shan (Mt.), D.-K. Li & C.-H. Gao 11833 (SHM). Hunan: Liu-yang Co., C. Gao & G.-C. Zhang 325 (IFSBH). Jiangxi: Mt. Lu, C. Gao 40836 (IFSBH). Sichuan: Bi Shan (Mt.), P.-C. Chen 1076 (PE); Nan-ping Co., S. He 30205 (MO). Zhejiang: De-qing Co., P.-C. Wu 1210 (MO); Lin-an Co., P.-C. Wu 8091 (MO); Mt. Jiu-long, R.-L. Hong & Z.-L. Liu 163 (HSNU); Mt. Tian-mu, S.-R. Feng s.n. (PE); Tian-tai, D.-K. Li 6533 (SHM).

Notes     (Last Modified On 5/4/2009)
general taxon notes:

 

Ptychomitrium linearifolium is characterized by having leaves that are crisped when dry, tapered from an ovate base to long-linear toothed upper acumen. Sometimes, specimens of Ptychomitrium gardneri with long upper linear acumen can be misidentified as P. linearifolium. However, the former species differs by having more robust, multi-branched plants, and strongly plicate leaf bases.

 

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5. Ptychomitrium linearifolium Reim. in Reim. & Sak.   狭叶缩叶藓 xia-ye suo-ye xian
Bot. Jahrb. 64: 539. 1931. Type. Japan: Mar. 1879. F. Schaal s.n.
 
Plants medium-sized, to 2–3 cm high, green to yellowish green above, brown to dark brown below, in loose tufts. Stems simple or sparsely branched; central strand well developed. Leaves 3.9–4.6 mm long, crisped or somewhat contorted when dry, erect-spreading to wide-spreading when moist, tapered from an ovate, more or less sheathing base to a long-linear and keeled upper acumen, acute at the apex; margins slightly recurved below, with large, remote teeth above, each tooth consisting of several cells; upper leaf cells obscure, rounded quadrate to subquadrate, 8–10 µm wide, with slightly thickened walls; basal cells elongate, 26–40 µm × 8–13 µm, hyaline, thin-walled. Autoicous. Perichaetial leaves similar to the upper stem leaves. Setae straight, yellow, 4–5 mm long; capsules erect, ellipsoid to oblong-ellipsoid, yellowish brown, 1.5–2.0 mm long; annuli undifferentiated; peristome teeth reddish brown, linear-lanceolate, bifid nearly to the base, sometimes perforate, finely papillose; opercula with a long, erect beak. Calyptrae mitrate, reaching the middle of the capsule, longitudinally plicate, lobed at the base. Spores spherical, finely papillose to nearly smooth.
 
 
 
 


 

 
 
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