4. Kalanchoe fedtschenkoi Raymond-Hamet & Perrier de la Bâthie (1915: 75) (Fig. 4).

Type:— MADAGASCAR. Fianarantsoa province. Mount Tsilongabalala, 1000 m above sea level, near Ihosy, Mangoky, September 1911, [J.M.] H. [A.] Perrier de la Bâthie 11797 (lectotype P barcode P00431060! [Image of the specimen available for examination online at http://coldb.mnhn.fr/catalognumber/mnhn/p/p00431060]), treated as “holotype” by Boiteau & Alorge-Boiteau (1995: 104), corrected to lectotype by Smith & Shtein (2021c: 132) .

Epitype:— MADAGASCAR. [Southwestern] Madagascar. Fianarantsoa province. Ihosy Valley, Mangoky Basin, 800–1000 m above sea level, on rocky slopes, 29–30 October 1924, [J.-H.] Humbert 2989 bis (epitype P barcode P03353732! [Image of the specimen available for examination online at http://coldb.mnhn.fr/catalognumber/ mnhn/p/p03353732] ; isoepitypes P barcode P03353735! [Image of the specimen available for examination online at http://coldb.mnhn.fr/catalognumber/mnhn/p/p03353735], P barcode P03353736! [Image of the specimen available for examination online at http://coldb.mnhn.fr/catalognumber/mnhn/p/p03353736]), epitype designated by Smith & Shtein (2021c: 132) .

Iconography:— Hurrell et al. (2013), Smith & Figueiredo (2017a, 2019), Smith (2024c).

Secondary distribution:— Spain = cited by Saez & Aymerich (2021), in Catalonia as “Rarely escaped or persistent after cultivation”, Senar Lluch (2016), Guillot Ortiz (2016), Aymerich & Saez (2019), Aymerich (2020). Portugal = Randall (2017) and cited by Sirovs (2014) for Estremadura.

[Also in Argentina, Macaronesia (Azores, Madeira), Mexico, New Zealand, South Africa, U.S.A.]