Isolatocereus

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Isolatocereus

Isolatocereus Backeb. in Cactaceae (Berlin) 1941(2): 47, 76. 1942 sec. Arias & Aquino 2019
  • =Lemaireocereus subg. Isolatocereus Backeb. in Blätt. Kakteenf. 1938(6): 17. 1938 syn. sec. Arias 2021

Notes

Isolatocereus is recognized here as a monotypic genus. It belongs to Echinocereeae, based on molecular evidence (Hernández-Hernández & al. 2011) and because it shares the three characters of the group (tannins in the funicles, seeds with striated microrelief, triterpenes in the stem). It shares with Stenocereus the presence of silica bodies in the stem, however, phylogenetic studies carried out with cpDNA markers reveal that it is closer to Myrtillocactus and Escontria.A

Bibliography

A. Arias, S. 2021: Revisions of Acanthocereus, Aporocactus, Astrophytum, Bergerocactus, Cephalocereus, Disocactus, Marshallocereus, Nyctocereus, Pachycereus, Peniocereus, Pereskiopsis, Selenicereus, Stenocereus, Strophocactus. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270