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Dick Culbert from Gibsons, B.C., Canada. Creative Commons Attribution 2.0 |
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| Gordon C. Snelling. Creative Commons Attribution 4.0 |
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Summary
Wright's pincushion cactus is a small, slow-growing cactus native to the deserts and grasslands of the southwestern United States. It is especially admired for its large, showy pink-to-purple flowers, which form a ring around the upper stem. Like other members of the former Mammillaria genus, it produces edible red fruits, although they are generally too few to provide a significant food source. Because many species in this group are protected or locally uncommon, they should be appreciated in the wild rather than harvested. Note: Mammillaria wrightii Engelm. First published in Syn. Cact. U.S.: 6 (1856) is a synonym of Cochemiea wrightii.
Physical Characteristics

Cochemiea wrightii is a SHRUB growing to 0.2 m (0ft 8in) by 0.2 m (0ft 8in) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 9. The flowers are pollinated by Bees, Insects.
It is noted for attracting wildlife.
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Cactus wrightii (Engelm.) Kuntze. Chilita wrightii (Engelm.) Orcutt. Ebnerella wrightii (Engelm.) Buxb. Fimbriatocactus wrightii (Engelm.) Guiggi. Mammillaria wrightii Engelm. Neomammillaria wrightii (Engelm.) Britton & Rose.
Plant Habitats
Edible Uses
Wright's pincushion cactus is one of the most ornamental members of the former Mammillaria genus, producing spectacular flowers followed by edible red fruits. While the fruits are safe to eat, their scarcity and the conservation status of many wild populations mean the plant has only minor value as a foraging resource. Its greatest significance lies in its beauty, ecological role, and contribution to the remarkable diversity of desert cacti in the American Southwest [2-3]. The fruits are edible. No other parts of the plant are reported to be edible[2-3]. Edibility Rating: 2 out of 5 – The fruits are edible but occur in small quantities, making Wright's pincushion cactus only a minor wild food[2-3]. Taste and Preparation: The fruits are eaten fresh. The fruits of Mammillaria species have traditionally been consumed as an occasional seasonal food. Individual plants generally produce relatively few fruits, so gathering enough for a meal is unlikely[2-3]. Seasonality: Plants flower during the warmer months, and fruits ripen later in the season, depending on rainfall and local growing conditions[2-3]. Traditional Uses: Native Americans occasionally gathered pincushion cactus fruit as a supplementary food. Because fruit production is relatively limited, these cacti represented only a minor component of the traditional diet[2-3]. Safety: Although the fruits are edible, many members of the former Mammillaria genus (now including Cochemiea) are protected throughout their natural range, and several species are uncommon or locally rare. Do not harvest wild plants, and collecting fruit from protected populations may be prohibited.
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
There are no documented or scientifically proven medical uses for Cochemiea wrightii.
References More on Medicinal Uses
Other Uses
Wright's pincushion cactus is highly valued by collectors because of its exceptionally large, colourful flowers. It is is one of the most ornamental members of the former Mammillaria genus, producing spectacular flowers followed by edible red fruits. The flowers provide nectar and pollen for native bees and other pollinating insects, while birds and small mammals consume the ripe fruits and disperse the seeds.
Special Uses
References More on Other Uses
Cultivation details
Wright's pincushion cactus thrives in full sun and well-drained sandy, gravelly, or rocky soils. It is highly drought-tolerant and well adapted to arid and semi-arid environments. Habitat: It occurs in desert grasslands, rocky slopes, open scrublands, and gravelly plains, primarily in New Mexico, western Texas, and northern Mexico. USDA Hardiness Zones: USDA Zones 8–10. Growth Rate: Slow. Plants require many years to reach maturity and may live for several decades. Mature Size: Typically 5–20 cm (2–8 inches) tall, growing singly or occasionally forming small clusters. Cultivation: Wright's pincushion cactus is highly valued by collectors because of its exceptionally large, colorful flowers. It requires excellent drainage, abundant sunlight, and minimal watering once established. Identification: Wright's pincushion cactus is a small, globe-shaped to short cylindrical cactus with numerous ungrooved tubercles arranged in spirals. The areoles bear straight central and radial spines typical of pincushion cacti. Large pink to purple flowers form in a ring below the growing tip, arising from the bases of the tubercles rather than the tips. The fruits are slender, smooth, spineless, and bright red when mature. Similar Species: Wright's pincushion cactus resembles Graham's pincushion cactus (Cochemiea grahamii), little pincushion cactus (Mammillaria heyderi), and strawberry cactus (Cochemiea dioica), all of which produce edible red fruits. It differs from fishhook cacti, such as the common fishhook cactus (Cochemiea tetrancistra), in that it has straight central spines rather than hooked ones. Species of Coryphantha and Escobaria can also appear similar but possess grooved tubercles, whereas Cochemiea species have ungrooved tubercles. Like all members of the genus, the flowers arise from the bases of the tubercles.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Propagation is by seed or by separating offsets where these develop.
Other Names
If available other names are mentioned here
Wright's fishhook cactus. Mammillaria wrightii.
Native Range
US. USA. Arizona, Mexico Northeast, Mexico Northwest, New Mexico, Texas.
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not
in your area so it's worth checking.
None. This is a slow-growing native cactus with no invasive tendencies.
Conservation Status
IUCN Red List of Threatened Plants Status : Not listed.
IUCN Red List
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
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Expert comment
Author
Engelm.
Botanical References
Links / References
For a list of references used on this page please go here
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