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Type: Article
Published: 2021-06-04
Page range: 67–80
Abstract views: 24
PDF downloaded: 1

A revision of the Malagasy Kalanchoe subg. Kitchingia (Crassulaceae subfam. Kalanchooideae): history, taxonomy, and nomenclature

Department of Botany, Nelson Mandela University, P.O. Box 77000, Port Elizabeth, 6031 South Africa.
Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences, Humboldt University of Berlin, Albrecht-Thaer Weg 2, 14195 Berlin, Germany.
The Steinhardt Museum of Natural History, Tel Aviv University, Klausner St 12, Tel Aviv-Yafo, Israel.
Kalanchoe gracilipes Kalanchoe peltata Madagascar nomenclature taxonomy Eudicots

Abstract

A revision of the exclusively Malagasy Kalanchoe subg. Kitchingia (Crassulaceae subfam. Kalanchooideae) is presented, along with a detailed discussion of its history, nomenclature, taxonomy, and circumscription. We uphold Kalanchoe subg. Kitchingia as one of four subgenera that are presently recognised in the genus, the other three being the autonymic Kalanchoe subg. Kalanchoe [recorded from Madagascar, Africa, and Asia], Kalanchoe subg. Bryophyllum [recorded from Madagascar only], and Kalanchoe subg. Fernandesiae [recorded from southern and south-tropical Africa only]. Only two species, Kalanchoe gracilipes, with two varieties recognised, and Kalanchoe peltata, with three varieties recognised, are included in Kalanchoe subg. Kitchingia. We show that the long-overlooked name at new rank, Kalanchoe peltata var. mandrakensis, was validly published in 1948.