Cacteae Classification

Order - Caryophyllales

Family - Cactaceae (ca. 100 genera and 1000-2000 species, monophyletic but a lineage within Portulacaceae)

Subfamilies

 

Pereskioideae – (1 genus) Pereskia. Stems woody, leaves persistent or semi-deciduous, areoles spiny and woolly at the leaf axils, flowers pendulous, and the fruit is fleshy.

Opuntioideae – (ca. 7 genera) Cylindropuntia (cholla), Grusonia (club cholla), Opuntia (prickly pear cactus), Pereskiopsis, Pterocactus, Quiabentia, Tacinga. Fleshy, branched plants, areoles with or without spines, fine spine-hairs (glochids) present, leaves flat or cylindrical, spines usually straight, the fruit many-seeded and berry-like.

Maihuenioideae–(1 genus) Maihuenia. Stems short, tufted, woody, leaves persistent or semi-deciduous, areoles spiny and woolly at the leaf axils, flowers erect, and the fruit is fleshy.

 

Cactoideae - about 100 genera.

Tribes of Cactoideae

Blossfeldieae - genera: Blossfeldia.

Browningeae - genera: Armatocereus, Browningia, Calymnanthium, Jasminocereus, Neoraimondia, Pseudoacanthocereus Stetsonia

Cacteae - genera: Acharagma, Ariocarpus, Astrophytum, Aztekium, Coryphantha, Echinocactus, Echinomastus, Epithelantha, Escobaria, Ferocactus, Geohintonia, Leuchtenbergia, Lophophora, Mammillaria, Mammilloydia, Neolloydia, Obregonia, Ortegocactus, Pediocactus, Pelecyphora, Sclerocactus, Stenocactus, Strombocactus, Thelocactus, Turbinicarpus.

Echinocereae - genera: Acanthocereus, Echinocereus, Harrisia, Leptocereus, Peniocereus

Cereae - genera: Arrojadoa, Austrocephalocereus, Brasilicereus, Cereus, Cipocereus, Coleocephalocereus, Melocactus, Micranthocereus, Pilosocereus, Stephanocereus

Hylocereae - genera: Disocactus, Epiphyllum, Hylocereus, Selenicereus, Weberocereus

Notocacteae - genera: Austrocactus, Copiapoa, Corryocactus, Eriosyce, Eulychnia, Frailea, Parodia, Uebelmannia, Yavia

Pachycereae - genera: Bergerocactus, Carnegiea (saguaro), Cephalocereus, Escontria, Myrtillocactus, Neobuxbaumia, Pachycereus, Polaskia, Stenocereus

Rhipsaleae - genera: Hatiora, Lepismium, Rhipsalis, Hatiora, Schlumbergera

Trichocereae - genera: Acanthocalycium, Brachycereus, Cleistocactus, Cintia, Denmoza, Discocactus, Echinopsis, Espostoa, Facheiroa, Gymnocalycium, Haageocereus, Lasiocereus, Leocereus, Matucana, Mila, Neowerdermannia, Oreocereus, Oroya, Pygmaeocereus, Rebutia, Samaipaticereus, Weberbauerocereus.

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