Homalocephala (plant)
| Homalocephala | |
|---|---|
| |
| Homalocephala polycephala | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Cacteae |
| Genus: | Homalocephala Link & Otto[1] |
| Type species | |
| Homalocephala texensis | |
| Species | |
|
See text | |
Homalocephala is a genus of plants native to Mexico and the United States.[2] At one point, it was considered to be part of Echinocactus.[3]
Species
[edit]As of June 2025[update], Plants of the World Online accepts three species:
| Image | Scientific name | Common Name | Distribution |
|---|---|---|---|
|
Homalocephala parryi (Engelm.) Vargas & Bárcenas syn. Echinocactus parryi |
Devil's cushion | Mexico |
|
Homalocephala polycephala (Engelm. & J.M.Bigelow) Vargas & Bárcenas syn. Echinocactus polycephalus |
Cotton top cactus | S. California, S. Nevada, Arizona, Mexico |
|
Homalocephala texensis (Hopffer) Britton & Rose syn. Echinocactus texensis |
Horse crippler cactus | SW. Oklahoma to NE. Mexico |
References
[edit]- ^ "Genus: Echinocactus Link & Otto". Germplasm Resources Information Network. United States Department of Agriculture. 2004-02-13. Archived from the original on 2012-10-09. Retrieved 2010-11-13.
- ^ "Homalocephala Britton & Rose | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2025-06-07.
- ^ Vargas-Luna, Mario Daniel; Hernández-Ledesma, Patricia; Majure, Lucas Charles; Puente-Martínez, Raúl; Macías, Héctor Manuel Hernández; Luna, Rolando Tenoch Bárcenas (2018-11-13). "Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae". PhytoKeys (111): 31–59. Bibcode:2018PhytK.111...31V. doi:10.3897/phytokeys.111.26856. ISSN 1314-2003. PMC 6246732. PMID 30483031.
- Innes C, Wall B (1995). Cacti, Succulents and Bromeliads. Cassell & The Royal Horticultural Society.