Fish-Hook Cactus
Cactaceae - Caryophyllales
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Protologue: Tsukkulenty 3: 39 (2000)
Pronunciation: Co-che-mié-a di-ò-i-ca
Etymology: after the Cochimí indigenous people, who historically inhabited the Baja California peninsula of Mexico
+ dioecious, having separate male and female plants
Synonym: Mammillaria dioica K.Brandegee
Jepson eFlora Treatment (as Mammillaria d.)
Jepson eFlora Key to Mammillaria taxa
SD County Synoptic Voucher (as Mammillaria d.)
Distribution:
LEFT: S.D. County Plant Atlas (http://sdplantatlas.org). RIGHT: CCH2 (as Mammillaria d.). Click to see current collections.
Note, in San Diego County, distribution along coast and in desert and not in the intervening mountain range.
Images:

Cochemiea dioica
Stems are short, usually solitary. Note ring of flowers below apex.

Cochemiea dioica
Close-up of open flower, showing numerous yellow stamens and green stigma branches. Note solitary, hooked (uncinate) central leaf spines.
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| iNaturalist images |