Jump to content

Ferocactus johnstonianus

From Wikipedia, the free encyclopedia

Ferocactus johnstonianus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Ferocactus
Species:
F. johnstonianus
Binomial name
Ferocactus johnstonianus
Britton & Rose 1923
Synonyms
  • Echinocactus johnstonianus (Britton & Rose) Fosberg 1942
  • Ferocactus acanthodes var. johnstonianus (Britton & Rose) G.Unger 1992

Ferocactus johnstonianus is a species of Ferocactus found in Mexico[2]

Description[edit]

Ferocactus 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[edit]

This species is found on Ángel de la Guarda Island in Baja California, Mexico.

Taxonomy[edit]

It 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]

  1. ^ 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.
  2. ^ "Ferocactus johnstonianus Britton & Rose". Plants of the World Online. Retrieved 2024-03-01.
  3. ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 295. ISBN 3-8001-4573-1.
  4. ^ 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[edit]