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Ferocactus emoryi
Species of cactus From Wikipedia, the free encyclopedia
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Ferocactus emoryi, known commonly as Emory's barrel cactus, Coville's barrel cactus and traveler's friend, is a barrel cactus in the genus Ferocactus.
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Description
Ferocactus emoryi is spherical or cylindrical solitary barrel cactus, light green to glaucous, reaching a diameter of 60–100 centimetres (24–39 in) and a height of 2–2.5 metres (6 ft 7 in – 8 ft 2 in). It has 15 to 30 ribs with tubercles, especially in the juvenile stage. The spines are white to reddish. The central spine is very strong, 4–10 cm long, while the seven to twelve radial spines reach lengths of up to 6 cm. The large and funnel-shaped flowers are usually red or yellow, reach lengths of up to 7.5 centimeters and have a diameter of 5 to 7 centimeters. The fruit is ovoidal, about 5 cm long. The subspecies F. e. subsp. rectispinus has been found with center spines as much as 25 cm (9.8 in) long,[1] to even 32 cm (13 in).[2] These are the longest spines of any cactus.[citation needed]
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Distribution
This species is found in nature in Mexico (Sonora, Sinaloa and Baja California Sur) and in the United States (Arizona).
Habitat
Ferocactus emoryi grows in the desert scrubs, hillsides, rocky slopes and gravely rocky or sandy soils, at an elevation of about 0–1,200 metres (0–3,937 ft) above sea level.
Subspecies
Three subspecies are accepted:[3]
- Ferocactus emoryi subsp. emoryi
- Ferocactus emoryi subsp. rectispinus (Engelm.) N.P.Taylor
- Ferocactus emoryi subsp. covillei (Britton & Rose) D.R.Hunt & Dimmitt
F. e. subsp. rectispinus cultivated in San Diego
This specimen in the Brooklyn Botanic Garden is labeled "Fishhook Cactus"
References
External links
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