Ferocactus emoryi (Engelmann) Orcutt 1926
Emory barrel, Emory’s barrel cactus, Coville’s barrel cactus, traveler’s friend
Kingdom Plantae Plants, but not fungi, lichens, or algae
Subkingdom Tracheobionta Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division Magnoliophyta Flowering plants, also known as angiosperms
Class Magnoliopsida Dicotyledons—plants with two initial seed leaves
Subclass Caryophyllidae Cacti, many other succulents, carnivorous plants, and leadworts
Order Caryophyllales Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants
Family Cactaceae Succulent (water-storing) plants, often spiny
Genus Ferocactus From the Latin ferus, “fierce,” and cactus, referring to its heavy spines
Species emoryi After Maj. William Hemsley Emory (1811-1887), Army officer and Director of the Mexican Boundary Survey
About plant names...
This cactus is found only in northern Baja California Sur, Mexico.
Identification: Plants are light green to bluish gray, forming
a single round or cylindrical stem up to 8' (2.5 m) high and 3' (1 m) in diameter,
with 15-30 prominent ribs. A single large central spine, 1½-4" (4-10 cm) long and often curved, is
surrounded by 7-9 radial spines up to 2" (6 cm) long. Funnel-shaped flowers span the range
from deep red brown to red to yellow. They are up to 3" (7.5 cm) long and 2½" (7 cm)
around. Oval-shaped fruits are up to 1¾" (5 cm) long. References:
Anderson, Edward F., , p. 329 The Cactus Family, Timber Press, 2001 Online References:
The Arizona-Sonora Desert Museum Center for Sonoran Desert Studies
The Arizona Sonora Desert Museum Sonoran Desert Digital Library
The Vanderbilt University Bioimages web site
EFloras Older scientific or horticultural names
var. rectispinus Engelmann 1896
(Engelmann) Britton & Rose 1922
var. rectispinus (Engelmann) N. P. Taylor 1984
subsp. rectispinus (Engelmann) N. P. Taylor 1998
Britton & Rose 1922
Ferocactus emoryi description by Thomas H. Kent, last updated 25 May 2020.
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2/24/2010 · San Diego (Quail) Botanic Garden, Encinitas, California
(Immature) · 2/17/2007 · Anza-Borrego Desert State Park, California
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