Ferocactus johnstonianus is a species of Ferocactus found in Mexico[2]
| Ferocactus johnstonianus | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Ferocactus |
| Species: | F. johnstonianus
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| Binomial name | |
| Ferocactus johnstonianus Britton & Rose 1923
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| Synonyms | |
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Description
editFerocactus johnstonianus is a solitary, spherical to short cylindrical cactus that can grow over 1 meter tall and up to 35 cm (14 in) in diameter. It has 24 to 31 slightly humped ribs and 22 to 25 golden-yellow, awl-shaped spines that turn brown with age and reach up to 6 cm (2.4 in) long, without differentiating into central and radial spines. The cactus produces funnel-shaped yellow flowers that grow up to 5 cm (2.0 in) long and 3.5 cm (1.4 in) in diameter. Its fruits, which are about 3 cm (1.2 in) long, sometimes open with a basal pore.[3]
Distribution
editThis species is found on Ángel de la Guarda Island in Baja California, Mexico.
Taxonomy
editIt was first described in 1923 by Nathaniel Lord Britton and Joseph Nelson Rose, and the species name johnstonianus honors American botanist Ivan Murray Johnston.[4]
References
edit- ^ Biología, Héctor Hernández (Instituto de; Group), Succulent Plants Specialist (2012-02-06). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2024-03-01.
- ^ "Ferocactus johnstonianus Britton & Rose". Plants of the World Online. Retrieved 2024-03-01.
- ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 295. ISBN 3-8001-4573-1.
- ^ Britton, Nathaniel Lord; Eaton, Mary E.; Rose, J. N.; Wood, Helen Adelaide (1919). The Cactaceae : descriptions and illustrations of plants of the cactus family. Washington: Carnegie Institution of Washington. doi:10.5962/bhl.title.46288.
External links
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Media related to Ferocactus johnstonianus at Wikimedia Commons
Data related to Ferocactus johnstonianus at Wikispecies
