Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- SPECIMEN BASED RECORD. Published protolog data. http://www.tropicos.org/Reference/9990002
- SPECIMEN BASED RECORD. 1986. Field Museum Type Record. http://www.tropicos.org/Reference/1104
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
Global Range: It occurs in the Arizona Desert, the upper edge of Colorado Desert, and in Sonora, Mexico.
Regularity: Regularly occurring
Catalog Number: US 795801
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: ; Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. G. Pringle
Year Collected: 1884
Locality: Mexico, Central America
- Lectotype: Britton, N. L. & Rose, J. N. 1922. Cactaceae. 3: 132.; Benson, L. D. 1982. Cacti U.S. Canada. 950.
Comments: Rocky hills and sandy or rocky flats (including wash margins, alluvial fans, and mesas) in the Arizona Desert and the upper edge of the Colorado Desert. Rocks are often limestone with a black patina or black lava or basalt. Occurs mostly between 450 and 915 m elevation in Arizona but at least 1 Sonoran population occurs at sea level.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 6 - 20
Comments: Ten EO's (Benson 1982).
Life History and Behavior
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
NatureServe Conservation Status
Rounded Global Status Rank: G4 - Apparently Secure
Reasons: About 10 occurrences are known, all from south-central Arizona and adjacent northern Sonora, Mexico.
Comments: Most cacti subject to horticultural collecting.
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.
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 (0–3,900 ft) above sea level.
- Flora of North America Editorial Committee, e. 2003. Magnoliophyta: Caryophyllidae, part 1. In Fl. N. Amer.. Oxford University Press, New York.
- The Plant List
- Desert Tropicals
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