| Dioon purpusii | |
|---|---|
| |
| D. purpusii at the Florentine "Garden of Simples", Italy. | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Gymnospermae |
| Division: | Cycadophyta |
| Class: | Cycadopsida |
| Order: | Cycadales |
| Family: | Zamiaceae |
| Genus: | Dioon |
| Species: | D. purpusii
|
| Binomial name | |
| Dioon purpusii | |
Dioon purpusii (Purpus' cycad)[4] is a cycad tree endemic to a very small region in Mexico (Oaxaca, Puebla). It is found in Tomellín Canyon and the eastern branches of La Cañada de Cuicatlán.[5]
- ^ Assessor: Donaldson,J.S.; Evaluators: Vovides,A. & Chemnick,J. (Cycad Red List Authority) (2003). "Dioon purpusii in IUCN 2010". IUCN Red List of Threatened Species. Version 2010.1. International Union for Conservation of Nature and Natural Resources. Retrieved May 1, 2010.
{{cite web}}: CS1 maint: multiple names: authors list (link) - ^ Plant description originally published in: Contr. U.S. Natl. Herb. 12(7): pp. 260-261 (1909). Note that this source is likely incorrect in showing someone named 'J.S. Rose' as a collector. The authority, Rose, is Joseph Nelson Rose (see next footnote) Ken Hill. "Dioon purpusii". The Cycad Pages. Royal Botanic Gardens, Sydney. Archived from the original on 19 July 2005. Retrieved May 2, 2010.
TYPE: Mexico, Oaxaca, Tomellin Canyon, 7 Sep 1906, J.N.R. & J.S. Rose 11352 (holo US, iso F, NY).
- ^ "Plant Name Details for Dioon purpusii". IPNI. Retrieved May 1, 2010.
- ^ "DPI-FDACS; Entomology Section". Tri-Ology. 37 (4). Compiled by Susan E. Halbert, Ph.D. Reissued through the Florida Department of Agriculture and Consumer Services. July–August 1998. Retrieved May 1, 2010.
{{cite journal}}: CS1 maint: others (link)[permanent dead link] - ^ A new species in the genus Dioon (Zamiaceae) from north‐central Oaxaca, Mexico