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Cycads (Cycadales)

40 articles

Taxonomy of Cycas

The taxonomy of Cycas covers how the cycad genus Cycas, sole genus of Cycadaceae, has been divided into sections since 1843, with about 124 accepted species.

Zamia

Zamia, a New World cycad genus of Zamiaceae (about 80+ species), ranges from Florida to Bolivia; sister to Microcycas, with Caribbean/Mesoamerican origin, weevil push-pull pollination, and high morphological convergence.

Zamia chigua

Zamia chigua (chigua, chigua macho) is a Near Threatened cycad of Zamiaceae from western Colombia's Chocó and Valle del Cauca and Panama, described by Seemann in 1854, with prickly fernlike leaves and a trunk to 2 m.

Zamia cycad conservation and trade

Zamia cycad conservation and trade covers how cycads, the world's most threatened plant group, are protected from extinction and how trade in them is regulated under CITES.

Zamia integrifolia

Zamia integrifolia, coontie or Florida arrowroot (also treated as Zamia pumila), the only cycad native to the United States; a 2-3 ft toxic cycad, starch source, Atala butterfly host, IUCN Near Threatened.

Zamia loddigesii

Zamia loddigesii, known locally as teocinte and camotillo, is a cycad in the family Zamiaceae native from Mexico to Belize, rated Near Threatened by the IUCN.

Zamia obliqua

Zamia obliqua A.Braun, a Near Threatened arborescent cycad (Zamiaceae) from southern Panama to northwest Colombia (chigua, maicito), with 0.5–5 m stems, CITES Appendix II listing, and food use.

Zamia pumila

Zamia pumila (coontie, Florida arrowroot) is a small cycad of the Greater Antilles and, in a broader sense, Florida and the Bahamas; host of the atala butterfly, cycasin-bearing, CITES Appendix II, Near Threatened or Vulnerable.

Zamia skinneri

Zamia skinneri (Warsz. ex A.Dietr., 1851) is an endangered plicate-leaved cycad of the Zamiaceae, native to northern Panama; long confused with related zamias until the 2008 Taylor, Haynes and Holzman revision of the skinneri complex.

Zamiaceae

Zamiaceae is a family of cycads, palm-like gymnosperms with nine genera and about 305 species across sub-Saharan Africa, Australia, and the Neotropics; 62% of its taxa are at risk.