DARWINIANA

34(1-4): 402-404. 1996

UNA NUEVA COMBINACION EN GYMNOCALYCIUM (CACTACEAE)

ROBERTO KIESLING1

Instituto de Botánica Darwinion, Labardén 200, Casilla de Correo 22, (1642) San Isidro, Argentina

DETLEV METZING

IfOE, Abt. Geobotanik & Naturschutz, Universit. Bremen, D-28344 Bremen, Alemania

ABSTRACT: Kiesling, R. and Metzing, G. 1996. A new combination in Gymnocalycium (Cactaceae). Darwiniana 34: 402-404.

A new combination, Gymnocalycium spegazzinii Britton & Rose subsp. cardenasianum (F. Ritter) Kiesling & Metzing is established. A key to distinguish the subspecies, area and types of both taxa are given. Typification of the subsp. spegazzinii is discused, and its lectotype is designated.


1 Miembro de la Carrera del Investigador Científico. CONICET