Author(s): Gamal El- Ghazaly
Article publication date: 1985-09-01
Vol. 3 No. 2 (yearly), pp. 15-26.
164
Keywords
Hypochoeris, botany, pollen
Abstract
Pollen morphology and floral micro characteristics as achene surface, filament collar and style form were investigated in 41 South American Hypochoeris species by LM and in certain cases, by SEM.
The studied species are divided into three well defined groups. It is proposed that one group viz. H. sessiliflora be separated from Hypochoeris as a distinct genus Oreophilia D. Don. Typified by D. Sessiliflora (Kunth) D. Don.