Nomenclature and taxonomy of the partial infrageneric classification systems proposed for Kalanchoe (Crassulaceae subfam. Kalanchooideae) by Boiteau and Boiteau & Mannoni in the mid- 20 century Author Smith, Gideon F. Ria Olivier Herbarium, Department of Botany, Nelson Mandela University, P. O. Box 77000, Gqeberha [Port Elizabeth], 6031 South Africa. Author Shtein, Ronen The Steinhardt Museum of Natural History, Tel Aviv University, Klausner St 12, Tel Aviv-Yafo, Israel. text Phytotaxa 2022 2022-02-24 536 2 141 153 journal article 10.11646/phytotaxa.536.2.3 3fa7ecc7-75f4-4597-9fa8-d9cc693eb802 1179-3163 6257513 2. Kalanchoe subg. Kitchingia (Baker) Smith & Figueiredo (2018a: 169) . Basionym :— Kitchingia Baker (1881: 268) . Homotypic synonym :— Kalanchoe sect. Kitchingia (Baker) Boiteau (1947: 7) , pro parte . Type :— Kitchingia gracilipes Baker (1881: 268) , currently accepted name Kalanchoe gracilipes (Baker) Baillon (1885: 469) , lectotype , designated by Smith & Figueiredo (2018a: 169) .