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Ferocactus pottsii (Salm-Dyck) Backeb.


KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassCaryophyllidaeCacti, many other succulents, carnivorous plants, and leadworts
OrderCaryophyllalesIncludes cacti, carnations, amaranths, ice plants, and many carnivorous plants
FamilyCactaceaeSucculent (water-storing) plants, often spiny
GenusFerocactusFrom the Latin ferus, “fierce,” and cactus, referring to its heavy spines

About plant names...

Whatever this cactus is called (see below), it is a Mexican native.

Identification: Plants are up to 3′ (1 m) tall and 1½′ (50 cm) in diameter, with 20 ribs. Each areole (the base of a spine cluster) contains a central spine up to 3″ (7.5 cm) long, and 3-8 radial spines. Larger spines are darker, tinged with red-brown, and smaller spines are grayish white or yellow. Flowers are shaped like small bowls (most in this genus are funnel-shaped), and are yellow, sometimes with orange-red centers.


Anderson, Edward F., The Cactus Family, Timber Press, 2001, p. 334

Online References:

The Arizona-Sonora Desert Museum Center for Sonoran Desert Studies (Ferocactus pottsii)

Desert-tropicals.com (Ferocactus pottsi)

Tcss.wildapricot.org (Ferocactus pottsii)

The Arizona-Sonora Desert Museum Center for Sonoran Desert Studies

Cactus Art: the World of Cacti & Succulents (Ferocactus pottsi var. alamosensis)

Echinocactus pottsii Salm-Dyck


Ferocactus pottsii description by Thomas H. Kent, last updated 25 May 2020.

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Ferocactus pottsii (biznaga)

5/24/2009 · Arizona Sonora Desert Museum, Tucson, Ari­zona · ≈ 2½ × 1½′ (79 × 52 cm)