Home Moss Flora of China
Name Search
Moss Checklist
Moss Flora
Guide to Authors
Physcomitrella Bruch & Schimp. Search in The Plant ListSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Bryologia Europaea 1: 13 (fasc. 42. Mon. 1.). 1849. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 3/16/2009)
Acceptance : Accepted

Export To PDF Export To Word


4. Physcomitrella Bruch & Schimp. in B.S.G.   小立碗藓属   xiao li-wan xian shu
Bryol. Eur. 1: 13 (fasc. 42. Mon. 1.). 1849. Phascum sect. Physcomitrella (Bruch & Schimp.) Sull. in A. Gray, Manual (ed. 2), 615. 1856.
Plants very tiny, yellowish green, somewhat glossy, scattered, gregarious or in loose tufts. Stems very short, 0.60–1.25 mm long, usually branched. Leaves contorted when dry, spreading when moist, obovate to elliptical, 1.8–2.4 mm × 0.7–0.9 mm, acuminate to acute at apex; lower leaves smaller, 0.9–1.2 mm × 0.3–0.4 mm; margins usually recurved, entire below, serrulate above, not bordered; costa slender, weak, reaching 2/3 the leaf length; leaf cells thin-walled, lax, upper cells irregularly hexagonal to oblong-hexagonal, slightly elongate below. Paroicous or synoicous. Setae thick, short, 0.4–0.6 mm long; capsules immersed, spherical or ovoid-spherical, ca. 0.4–0.5 mm in diameter, symmetric, bluntly apiculate at apex, indehiscent; opercula not developed; annuli none; peristome absent. Calyptrae very small, conic-mitrate, not or only slightly lobed at base, smooth. Spores subreniform, brownish, 17–19 µm diameter, densely spinulosely papillose.

Export To PDF Export To Word
The genus Physcomitrella presently consists of two species, P. patens (Hedw.) Bruch & Schimp. in B.S.G. and P. readeri (C. Müll.) Stone & Scott in the world. There are several subspecies recognized under P. patens by B. C. Tan (1979). One subspecies, P. patens subsp. californica (Crum & Anderson) B. C. Tan, is found in China.

1. Physcomitrella patens subsp. californica (Crum & Anderson) B. C. Tan  

© 2018 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110