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Loeskeobryum M. Fleisch. ex Broth. 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: Die natürlichen Pflanzenfamilien, Zweite Auflage 11: 482–483. 1925. (Nat. Pflanzenfam. (ed. 2)) Name publication detail

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

Notes     (Last Modified On 4/3/2009)
general taxon notes:
The genus consists of two species in the world and mostly occurs in north temperate regions and sometimes extends to Oceania and Central America. Both species are known from China.


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5.  Loeskeobryum Fleisch. ex Broth.   假蔓藓属   jia man xian shu
Nat. Pflanzenfam. (ed. 2), 11: 482. 1925.
Plants large, robust, yellowish green, golden yellow, dull green or brownish green, glossy, in loose tufts. Main stems prostrate to slightly ascending, irregularly 1–2-pinnately branched or regularly bipinnately branched; in cross section a central strand somewhat differentiated, with some small, thin-walled cells, a cortex of parenchyma cells, and a sterome of small, thick-walled cells, the epidermis undifferentiated from the sterome; paraphyllia densely covered on stems, fewer on branches; pseudoparaphyllia not differentiated from paraphyllia; rhizoids sometimes on tips of branches. Stem leaves and branch leaves differentiated; stem leaves spreading or squarrose-recurved, rounded ovate or broadly ovate to broadly cordate, acuminate or abruptly constricted into a slender apex, sometimes curved at apex, not decurrent, concave, slightly plicate or undulate when dry; margins plane, broadly incurved at base, serrate or serrulate above, less sharply toothed below; costae double, less than 1/3 the leaf length, often very short; median leaf cells narrowly rhomboidal to linear, approximately 5–12:1, smooth, walls somewhat incrassate, pitted; basal cells narrowly elongated, golden yellow; alar cells not differentiated; cells of the clasping auricles smaller and rectangular to rhomboidal; branch leaves spreading, rounded ovate to oblong-lanceolate, acuminate to acute at apex, cordate or round at base; margins more strongly toothed than stem leaves, serrate above, serrulate below; costae stronger than those of stem leaves, reaching 1/3–1/2 the leaf length. Dioicous. Perichaetia on main stems. Setae elongate, reddish brown, smooth, twisted; capsules inclined or horizontal, asymmetric, light brown or reddish brown, oblong-ovoid, with a short neck, slightly gibbous, plicate, but not constricted below the mouth when dry; exothecial cells isodiametric or oblong, somewhat incrassate; stomata superficial at the neck; annuli consisting of 1–2 rows of large cells; opercula obliquely rostrate; peristome double; exostome teeth golden yellow, lanceolate, outer surface irregularly cross-striate, papillose, occasionally densely reticulate-papillose; endostome segments as high as the teeth, yellow, papillose, broadly perforated; basal membrane 1/3–1/2 the length of segments; cilia 2–3, nodulose. Calyptrae cucullate, smooth, naked. Spores 10–25 µm in diameter, finely papillose.

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1. Stem leaves not cucullate, apex lanceolate, slightly falcate......................................1. L. brevirostre
1. Stem leaves cucullate, apex acute, straight............................................................2. L. cavifolium
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