云南鳞毛蕨属边果鳞毛蕨组的分类研究

A Taxonomical Study on the Sect. Marginatae Eraser-Jenkins of Dryopteris (Subgen. Dryopteris) From Yunnan

本文记载云南产鳞毛蕨属边果鳞毛蕨组6种植物。文中列有检索表及每种的文献引证、标本引证和地理分布。

Sect. Marginatae of the genus Dryopteris contains about 26 species, distributes throughout eastern and southern Asia and Africa, of which 6 species are occurrence in Yunnan arid have been recorded in this paper. A key to 6 species is given as follows. 1. Fronds markedly dimorphic D. cochleata 1. Fronds non dimorphic. 2. Rhizome wide-creeping, fronds distant. 3. Lamina angustilanceolate, pinnule pinnatipartite or pinnatisect D angustifrons 3. Lamina widly triangular-lanceolate, pinnule pinnatilobate or pinnatifid. 4. Segment with serrate on the margin, spore with scraps on the surface D. subimprissa 4. Segment with crenate on the margin, spore with thorns on the surface D. pteridiiformis 2. Rhizome short-erect, fronds fasciculate. 5. Lamina markedly smooth on the upper surface D. marginata 5. Lamina with impressed veins on the upper surface D. caroli-hopei