Bupleurum L. (Umbelliferae ) in Europe — 1. The annuals, B. sect. Bupleurum and sect. Aristata

Abstract

A full survey of the European annual species of Bupleurum is presented, including a key, descriptions, illustrations, maps and specimen lists covering the distribution within Europe. The following species are treated: B. aequiradiatum, B. affine, B. aira, B. apiculatum, B. asperuloides, B. baldense, B. brachiatum, B. capillare, B. commutatum, B. croceum, B. euboeum, B. flavicans, B. flavum, B. gaudianum, B. gerardi, B. glumaceum, B. gracile, B. greuteri, B. gussonei, B. karglii, B. lancifolium, B. marschallianum, B. odontites, B. pachnospermum, B. praealtum, B. rollii, B. rotundifolium, B. semicompositum, B. subovatum, B. tenuissimum, B. trichopodum, B. veronense, B. virgatum. The new combinations B. gussonei and B. aequiradiatum are validated.