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Lyellia R. Br. 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 Garden Decrease font Increase font Restore font
 

Published In: Transactions of the Linnean Society of London 12: 561. 1819. (Trans. Linn. Soc. London) Name publication detailView in Biodiversity Heritage Library
 

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:
There are four species of the genus in the world, and two species are found in China.

 

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2. Lyellia R. Brown   异蒴藓属   yi shuo xian shu
Trans. Linn. Soc. London 12: 561. 1819.
Philocrya I. Hag. & Jens., Meddel. Grønland 15: 388. 1898.
 
Plants medium-sized to large, rigid, dark green or brownish green, in tufts or scattered. Stems erect, rarely branched, densely foliate above; rhizoids numerous at base. Leaves strongly crisped when dry, erect-patent when moist, lanceolate above, sometimes extending into a filiform acumen, distinctly sheathing at base; ventral lamellae longitudinally arranged; median leaf cells oval, thick-walled, often bistratose; cells at sheathing base hyaline, rectangular, thin-walled, unistratose; margins single- or double-toothed; costa thick, reaching to the apex, grossly dentate above on the leaf back. Dioicous. Perigonia discoid. Setae erect, rigid, usually reddish brown; capsules oblate-ovoid or oblate-globose, sharply keeled or arching keeled, dorsally or ventrally distinct or symmetrical, horizontal or oblique; mouth constricted; peristome absent; stomata at base of capsules; opercula conic, often with short or long hooked beaks. Calyptrae small, cucullate, smooth, only covering the beaks. Spores spherical or oval, verrucose.
 
 

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1. Plants usually slender, with leaves only (3–)4–5 mm thick; capsules horizontal, oblate-ovoid, clearly differentiated into dorsal and ventral sides, ring-like keeled under the mouth............................... 1. L. crispa
1. Plants rather thick and short, with leaves often more than 6 mm thick; capsules inclined, oblate-rounded, symmetric, mouth arching keeled................................................................................... 2. L. platycarpa
 
 
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