Echinocereus triglochidiatus var. inermis f. cristata

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Echinocereus triglochidiatus var. inermis f. cristata hort.

Family: CACTACEAE

Echinocereus triglochidiatus var. inermis f. cristata Photo by: Valentino Vallicelli
The varietal name ‘inermis’ means unarmed (referring to the lack of spines)

Origin and Habitat: Garden origin.

Synonyms:

Echinocereus triglochidiatus var. inermis f. cristata hort.

See all synonyms of Echinocereus triglochidiatus

Common Names include:
ENGLISH: Crested Spineless Hedgehog., Crested Spineless Claret-Cup Hedgehog, Crested Spineless Kingcup cactus

Description: This is a crested spineless form (without or with very short spines) of Echinocereus triglochidiatusSN|10576]]SN|10576]] (or of Echinocereus triglochidiatusSN|10576]]SN|10576]] var. mohavensis). A particularity of this plant is that the flower buds emerge through the plant's skin above an areole, leaving a scar after fading, rather than arising from areoles or axils between areoles as in other cacti. The heavy and waxy flowers are red or orange with green stigma in the centre.

Subspecies, varieties, forms and cultivars of plants belonging to the Echinocereus triglochidiatus group

Echinocereus gonacanthus (Engelm. & J.M.Bigelow) Rümpler: A name carelessly applied to miscellaneous plants throughout the range of var. triglochidiatus.
Echinocereus neomexicanus Standl.: Grows in Oak, Pinyon-Juniper woodland.
Echinocereus triglochidiatus Engelm.: Plants with the fewest and largest spines, that occupy the eastern portion of the species’ distribution. The central or radial spines are sharply angular in cross section, and 1-2 mm thick.
Echinocereus triglochidiatus var. inermis (K.Schum.) G.D.Rowley: This is a spineless form (without or with very short spines) in the wild plants with 1 to 7 spines and the spineless form are equally common. (intermediate forms occurs too)
Echinocereus triglochidiatus var. inermis f. cristata hort.: spineless + crested form.
Echinocereus triglochidiatus var. melanacanthus (Engelm. ex A.Gray) L.D.Benson: Rocky Mountain montane forest, pinyon-juniper woodland.
Echinocereus triglochidiatus var. mojavensis (Engelm. & J.M.Bigelow) L.D.Benson: This taxon, that occupies the western portion of the range of the species, includes curly-spined plants (mainly in California) and straight-spined plants (including most populations in Arizona, Utah, and western Colorado). Spines mostly white.
Echinocereus triglochidiatus var. mojavensis f. inermis hort.
Echinocereus triglochidiatus var. octacanthus (Muehlenpf.) W.T.Marshall
Echinocereus triglochidiatus f. variegatus hort.

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Echinocereus triglochidiatus var. inermis f. cristata Photo by: Valentino Vallicelli

Echinocereus triglochidiatus var. inermis f. cristata Photo by: Valentino Vallicelli

Echinocereus triglochidiatus var. inermis f. cristata Photo by: Cactus Art

Echinocereus triglochidiatus var. inermis f. cristata Photo by: Valentino Vallicelli

Cultivation and Propagation: This cactus is particulaly apriciayted for its bright red waxy flowers and the large spineless areoles . It is easy species to grow and flower. Water regularly from March to October. Rot prone in winter, it needs good drainage. Claret Cups require strong sunlight to maintain a healthy appearance, and a harsh "dry and cool" winter environment combined with maximum light exposure enhances spring flower production.
Frost Tolerance: It is very cold resistant, hardy from -6° to - 18° C for short periods of time.
Propagation: Grafting or cuttings.

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Cite this page: "Echinocereus triglochidiatus var. inermis f. cristata" Text available under a CC-BY-SA Creative Commons Attribution License. www.llifle.com 14 Nov. 2005. 03 Mar 2025. </Encyclopedia/CACTI/Family/Cactaceae/15656/Echinocereus_triglochidiatus_var._inermis_f._cristata>