Sonchus saudensis, A New Species of Compositae From Western Saudi Arabia and Northern Yemen PDF

Keywords

Saudi Arabia, Highlands, Sonchus saudensis

Abstract

Sonchus saudensis Boulos, sp , nov, is described from the western highlands of Saudi Arabia, and is also k.nown from the mounta,ins of Northern Yemen, It is most closely related to S. melanolepis Fresen, and S. obtusilobus R,E, Fries, endemics of the highlands of NE Ethiopia, and represents the only Asiatic element of the African subgenus Origosonchus Boulos.