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DOI: http://dx.doi.org/10.11646/phytotaxa.76.1.2

A revised generic classification for Aloe (Xanthorrhoeaceae subfam. Asphodeloideae)

OLWEN M. GRACE, RONELL R. KLOPPER, GIDEON F. SMITH, NEIL R. CROUCH, ESTRELA FIGUEIREDO, NINA RØNSTED, ABRAHAM E. VAN WYK

Abstract


The predominantly southern African Xanthorrhoeaceae subfam. Asphodeloideae (Asphodelaceae subfam. Alooideae) has long been regarded as comprising seven so-called alooid genera (Aloe, Astroloba, Chortolirion, Gasteria, Haworthia, Lomatophyllum, Poellnitzia). A reassessment of the classification of the traditionally broadly circumscribed genus Aloe, a charismatic Old World group of leaf succulents, has necessitated nomenclatural adjustments. We propose a narrower generic concept for Aloe s. str. and the recognition of segregate genera to reflect accumulating evidence for monophyletic groups: here, the genus Kumara is reinstated and the new genera Aloidendron and Aloiampelos are established. New combinations are made in Aloe for the three species of Chortolirion.

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ISSN 1179-3155 (print); ISSN 1179-3163 (online)

Published by Magnolia Press, Auckland, New Zealand