中国西藏合叶苔属(合叶苔科)一新种——片毛合叶苔

Scapania macroparaphyllia, a new species of Scapania (Scapaniaceae) from Xizang, China

描述了采自中国西藏的苔类植物新种片毛合叶苔ScapaniamacroparaphylliaT .Cao ,C .Gao&J.Sun。新种与腋毛合叶苔S .bolanderiAust.相近 ,区别特征为 :植物体小 ,叶腋内假鳞毛状附属物大 ,呈长片状 ;叶缘齿细胞单列 ,通常 1 - 3个细胞长 ;叶表面角质层粗糙 ,具圆密疣 ,疣大 ,直径达 6- 7μm。

A new liverwort species, Scapania macroparaphyffia T. Cao, C. Gao & J. Sun, is described from Xizang (Tibet), China. The new species is closely related to S. bolanderi Aust. in the leaves bipartite to the base, leaf keels extremely short, leaf cells strongly thickened at the corners, pseudoparaphyllia present in leaf axils, but differs by the plant small, pseudoparaphyllia large, long lamellate, leaf lobes margin irregularly long toothed, teeth usually consisting of 1 - 3 cells arranged in a single row, cuticle of leaves rough, densely papillose, the papillae large, 6 - 7 pan in diameter.