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The genera of Cactaceae |
This contents page, the key, and the descriptions were generated automatically from a DELTA database (Dallwitz 1980; Dallwitz, Paine, and Zurcher 1993).
Interactive key, including interactive information retrieval • Hints on using the interactive key
The interactive key is easy to use, allows free choice of characters, and can lead to correct identifications in spite of occasional errors. It can display all the illustrations, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa.
Character list • Implicit attributes • DELTA data files
References • Contacts, conditions of use, contributions
The bold parts in the descriptions are diagnostic descriptions, generated with the aid of Intkey (Dallwitz, Paine, and Zurcher 1995, 2000). They distinguish most taxa in at least two respects from the other taxa.
We advise against extracting comparative information from the descriptions. This is much more easily achieved using the DELTA data files or the interactive key. See also Guidelines for using data taken from Web publications.
• Acanthocalycium Backeb. • Acanthocereus (Engelm. ex A. Berger) Britton & Rose • Acharagma (N. P. Taylor) Glass • Ariocarpus Scheidw. • Armatocereus Backeb. • Arrojadoa Britton & Rose • Arthrocereus A. Berger • Astrophytum Lem. • Austrocactus Britton & Rose • Austrocylindropuntia Backeb. • Aztekium Boed.
• Bergerocactus Britton & Rose • Blossfeldia Werderm. • Brachycereus Britton & Rose • Brasilicereus Backeb. • Brasiliopuntia (K. Schum.) A. Berger • Browningia Cárdenas
• Calymmanthium F. Ritter • Carnegiea Britton & Rose • Cephalocereus Pfeiff. • Cephalocleistocactus F. Ritter • Cereus Mill. • Cintia Knize & Ríha • Cipocereus F. Ritter • Cleistocactus Lem. • Cochemiea (K. Brandegee) Walton • Coleocephalocereus Backeb. • Consolea Lem. • Copiapoa Britton & Rose • Corryocactus Britton & Rose • Coryphantha (Engelm.) Lem. • Cumulopuntia F. Ritter • Cylindropuntia (Engelm.) F.M.Knuth
• Denmoza Britton & Rose • Discocactus Pfeiff. • Disocactus Lindl.
• Echinocactus Link & Otto • Echinocereus Engelm. • Echinomastus Britton & Rose • Echinopsis Zucc. • Epiphyllum Haw. • Epithelantha F.A.C.Weber ex Britton & Rose • Eriosyce Phil. • Escobaria Britton & Rose • Escontria Rose • Espostoa Britton & Rose • Espostoopsis Buxb. • Eulychnia Phil.
• Facheiroa Britton & Rose • Ferocactus Britton & Rose • Frailea Britton & Rose
• Geohintonia Glass & W.A. Fitz Maur. • Grusonia F. Rchb. ex Britton & Rose • Gymnocalycium Pfeiff. ex Mittler
• Haageocereus Backeb. • Harrisia Britton • Hatiora Britton & Rose • Hylocereus (A. Berger) Britton & Rose
• Jasminocereus Britton & Rose
• Lasiocereus F. Ritter • Leocereus Britton & Rose • Lepismium Pfeiff. • Leptocereus A. Berger) Britton & Rose • Leuchtenbergia Hook. • Lophophora J.M. Coult.
• Maihuenia (Phil. ex F.A.C. Weber) K. Schum. • Maihueniopsis Speg. • Mammillaria Haw. • Mammilloydia Buxb. • Matucana Britton & Rose • Melocactus Link & Otto • Micranthocereus Backeb. • Mila Britton & Rose • Miqueliopuntia Fric ex F. Ritter • Myrtillocactus Cons.
• Neobuxbaumia Backeb. • Neolloydia Britton & Rose • Neoraimondia Britton & Rose • Neowerdermannia Fric
• Obregonia Fric • Opuntia Mill. • Oreocereus (A. Berger) Riccob. • Oroya Britton & Rose • Ortegocactus Alexander
• Pachycereus (A. Berger) Britton & Rose • Parodia Speg. • Pediocactus Britton & Rose • Pelecyphora C. Ehrenb. • Peniocereus (A. Berger) Britton & Rose • Pereskia Mill. • Pereskiopsis Britton & Rose • Pilosocereus Byles & G. D. Rowley • Polaskia Backeb. • Praecereus Buxb. • Pseudoacanthocereus F. Ritter • Pseudorhipsalis Britton & Rose • Pterocactus Schum. • Pygmaeocereus H. Johnson & Backeb.
• Rauhocereus Backeb. • Rebutia K. Schum. • Rhipsalis Gaertn.
• Samaipaticereus Cárdenas • Schlumbergera Lem. • Sclerocactus Britton & Rose • Selenicereus (A. Berger) Britton & Rose • Stenocactus (K. Schum.) A.W. Hill • Stenocereus (A. Berger) Riccob. • Stephanocereus A. Berger • Stetsonia Britton & Rose • Strombocactus Britton & Rose
• Tacinga Britton & Rose • Tephrocactus Lem. • Thelocactus (K. Schum.) Britton & Rose • Tunilla D.R.Hunt & Iliff • Turbinicarpus (Backeb.) Buxb. & Backeb.
• Weberbauerocereus Backeb. • Weberocereus Britton & Rose
• Yavia R. Kiesling & Piltz • Yungasocereus F. Ritter (unresolved name)
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2018 onwards. The genera of Cactaceae: descriptions, illustrations, identification, and information retrieval. Version: 14th November 2021. delta-intkey.com’.
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