Summary ⁴

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.

Description ⁵

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.

Distribution ⁵

This species is found in nature in Mexico (Sonora, Sinaloa and Baja California Sur) and in the United States (Arizona).

Habitat ⁵

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.

Sources and Credits

1. (c) Frank Sengpiel, some rights reserved (CC BY), uploaded by Frank Sengpiel
2. (c) Mario Castañeda, some rights reserved (CC BY-NC), uploaded by Mario Castañeda
3. (c) Andrés Orduño, some rights reserved (CC BY-NC), uploaded by Andrés Orduño
4. Adapted by Jeny Davis from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Ferocactus_emoryi
5. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Ferocactus_emoryi

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

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