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Ferocactus peninsulae × rectispinus

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...

This is a cross between Ferocactus peninsulae and Ferocactus emoryi (once called Ferocactus rectispinus.) This cross occurs naturally in the California and the northern Mexico desert, at least in Baja California Sur.

Identification: I found very little about this cactus, except that it is available from several vendors. It is 10-20″ (25-50 cm) tall, rounded or flat-topped, with orange or yellow flowers. It has clusters of long central spines, the longest up to [Measure5 cm)] and typically hook-shaped. Spines are reddish brown or white. Radial spines—thin, almost hairlike white spines underneath the central spines, may also be present.

Online References:



The Arizona Sonora Desert Museum Sonoran Desert Digital Library

Ferocactus × californicus


Ferocactus peninsulae × rectispinus description by Thomas H. Kent, last updated 25 May 2020.

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Ferocactus peninsulae

5/25/2009 · Boyce Thompson Arboretum, Superior, Ari­zona


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