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Published In: Die Natürlichen Pflanzenfamilien 1(3): 1002. 1907. (Nat. Pflanzenfam.) Name publication detailView in Biodiversity Heritage Library

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General Reference:

Notes     (Last Modified On 3/27/2009)
general taxon notes:
The first report of Pseudoleskeopsis in China was made by Thériot (1911), who described P. serrulata Card. & Thér. from Guizhou. Later, Brotherus (1929) and Bartram (1935) reported P. decurvata (Mitt.) Broth., P. integrifolia Broth., and P. zippelii (Dozy & Molk.) Broth., respectively. Pseudoleskeopsis laticuspis (Card.) Broth. was subsequently reported new to China by Dixon (1933). More recently, M.-J. Lai and J.-R. Wang-Yang (1976) reported P. japonica (Sull. & Lesq.) Iwats. from Taiwan. P.-C. Chen et al. (1978) listed 3 species and 1 variety for China, of which P. orbiculata (Mitt. ) Broth. and P. orbiculata var. laticuspis (Card.) Thér. were reported new to the country. Most recently, R.-L. Hu & Y.-F. Wang (1981) reported P. tosana Card. from eastern China. Thus, a total of 8 species and 1 variety have since reported from China.
Thériot (1929) studied the genus taxonomically and recognized 5 species. Iwatsuki (1976) studied Asiatic species based on type specimens deposited in Helsinki and made numerous synonyms under P. zippelii. His treatment is useful in studying Chinese taxa. Recently, Crosby et al. (2000) recognized 8 species in the world, with 3 better-known species. In this flora two species are treated. The genus Pseudoleskeopsis is different from other genera in the Leskeaceae mainly by the structure of peristome.


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8. Pseudoleskeopsis Broth. 拟草藓属 ni cao xian shu
Nat. Pflanzenfam. I(3): 1002. 1907.
Plants robust, green to yellowish green, sometimes brownish green, dull. Stems creeping, with sparse rhizoids; branches dense, short, blunt; paraphyllia sparse, narrowly lanceolate. Leaves loosely appressed when dry, slightly secund, erect to spreading when moist, ovate to oblong-ovate, slightly decurrent at base, often obtuse at apex; margins plane, crenate or serrate; costa strong, slightly flexuous, ending below apex; leaf cells small, oval to obliquely rhomboidal, smooth or mamillose; basal cells gradually becoming shortly rectangular; alar cells quadrate to flatly quadrate. Monoicous. Inner perichaetial leaves erect, pale green, narrowly lanceolate, costa extending up to leaf apex or percurrent, cells smooth. Setae elongate, slender; capsules pendent or horizontal, asymmetric, oblong-ovoid to long-cylindrical, slightly curved, with obvious apophysis; annuli differentiated; peristome double; exostome teeth narrowly lanceolate, yellowish, with dense transverse striae on outer surfaces, borders differentiated, lamellate on inner surfaces; endostome segments pale yellowish, finely papillose, folded, nearly as long as the exostome teeth, narrowly perforate or slit; basal membrane high; cilia 1–2, well developed; opercula conic, with short, blunt rostrum. Calyptrae cucullate. Spores small, finely papillose.



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1. Branch apices cuspidate; leaf cells longer, rectangular or nearly lineariform......................1. P. tosana
1. Branch apices obtuse; leaf cells rounded-hexagonal or rhomboid.................................. 2. P. zippelii
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