Sclerocactus brevihamatus
Sclerocactus brevihamatus | |
---|---|
Sclerocactus brevihamatus tobuschii | |
Scientific classification | |
Kingdom: | Plantae |
(unranked): | Angiosperms |
(unranked): | Eudicots |
(unranked): | Core eudicots |
Order: | Caryophyllales |
Family: | Cactaceae |
Subfamily: | Cactoideae |
Tribe: | Cacteae |
Genus: | Sclerocactus |
Species: | S. brevihamatus |
Binomial name | |
Sclerocactus brevihamatus (Engelm.) D.R.Hunt | |
Sclerocactus brevihamatus is a species of cactus known by the common name shorthook fishhook cactus.
It is endemic to Texas, and is an endangered species. [1] Threats to the species and subspecies include collecting and development in its habitat.[2]
Subspecies
Subspecies and varieties of this cactus include:
- Sclerocactus brevihamatus subsp. brevihamatus – shorthook fishhook cactus.[3]
- Sclerocactus brevihamatus var. pallidus – synonym of Sclerocactus brevihamatus,[4] also known as Ancistrocactus brevihamatus var. pallidus.[5]
- Sclerocactus brevihamatus ssp. tobuschii – Tobusch fishhook cactus.[6] It is also been known as a separate species, Ancistrocactus tobuschii.
- The rare Tobusch fishhook cactus is a federally listed endangered species also. It is known from about 200[7] to about 500[2] individual specimens on the eastern part of the Edwards Plateau. It occurs in the Juniperus ashei-Quercus fusiformis plant association on calcareous soils.[8]
References
- ↑ USFWS: Determination that Ancistrocactus tobuschii is an endangered species. — Federal Register. November 7, 1979.
- 1 2 Center for Plant Conservation
- ↑ USDA: Sclerocactus brevihamatus subsp. brevihamatus
- ↑ Encyclopedia of Cacti: 'Sclerocactus brevihamatus var. pallidus
- ↑ USDA/GRIN: Ancistrocactus brevihamatus var. pallidus
- ↑ USDA/GRIN: Sclerocactus brevihamatus ssp. tobuschii
- ↑ The Nature Conservancy
- ↑ Sutton, K., et al. (1997). Habitat of Ancistrocactus tobuschii (Tobusch fishhook cactus, Cactaceae) on the Edwards Plateau of Central Texas. Southwestern Naturalist 42:4 441.
External links
- USDA Plants Profile for Ancistrocactus brevihamatus (shorthook fishhook cactus)
- USFWS: Gallery of Tobusch fishhook cacti (Sclerocactus brevihamatus ssp. tobuschii)
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