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Isopterygiopsis Z. Iwats. 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: Journal of the Hattori Botanical Laboratory 33: 379–380, f. 21. 1970. (J. Hattori Bot. Lab.) Name publication detail
 

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Acceptance : Accepted
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General Reference:

Notes     (Last Modified On 4/2/2009)
general taxon notes:
Isopterygiopsisis close to Isopterygium Mitt., but differs in having papillose rhizoids, inflated, hyaline, and thin-walled stem epidermal cells, and lacking pseudoparaphyllia. The genus consists of three species in the world. Two species are found in China.
 
 

 

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15. Isopterygiopsis Iwats.    拟同叶藓属     ni tong ye xian shu
J. Hattori Bot. Lab. 33: 379. 1970.
 
Plants flattened, small, green or yellowish green, glossy. Stems prostrate, subpinnately branched, rhizoids papillose; branches often complanately foliate, with terete and stoloniform branchlets at the tips; in stem cross section epidermal cells inflated, thin-walled, hyaline; central strand developed; pseudoparaphyllia none. Stem leaves and branch leaves similar, complanate, densely and distichously spreading, concave, oblong-elliptic or slenderly lanceolate, not decurrent at base, abruptly narrowed to a shortly filiform apex or gradually acuminate; margins entire, costae double, short or indistinct; leaf cells smooth, linear-flexuous; alar cells not or only slightly differentiated. Dioicous. Perichaetial leaves sheathing at base. Setae elongate, smooth, reddish or orange-yellow; capsules erect or suberect, ellipsoid to cylindrical, symmetric, with short neck, stomata present, constricted below the mouth when dry, smooth; opercula conic, obliquely rostrate; annuli differentiated, in 2 rows; peristome double; exostome teeth yellow and cross-striate below, hyaline and papillose above, bordered, and trabeculate on the inner surface; endostome segments hyaline, perforate, papillose, basal membrane high, cilia 1, filiform, fugacious. Calyptrae cucullate, smooth. Spores spherical, roughened.
 
 

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1. Epidermal cells of stems conspicuously enlarged; leaves oblong-elliptic, strongly complanate; leaf apices sharply narrowed to a filiform, flexuous acumen, short apiculate; dioicous........................... 1. I. muelleriana
1. Epidermal cells of stems somewhat inflated; leaves slenderly lanceolate, moderately complanate; leaf apices acuminate at apex; autoicous................................................................................................. 2. I. pulchella

 

 
 
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