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Echinocereus dasyacanthus var. ctenoides (Engelm.) Backeb.
Cactaceae (Backeberg) 4: 2021. 1960
Family: CACTACEAE

Accepted Scientific Name: Echinocereus dasyacanthus Engelm.
Mem. Tour N. Mexico [Wislizenus] 100. 1848 Wisliz., Wisliz., Wisliz.

Echinocereus dasyacanthus var. ctenoides Photo by: Valentino Vallicelli
SB1094 (Collector Steven Brack) Jimenez, Chihuahua, Mexico. ( = E. pectinatus v. wenigeri)

Synonyms:

See all synonyms of Echinocereus dasyacanthus
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Accepted name in llifle Database:
Echinocereus dasyacanthus Engelm.
Mem. Tour N. Mexico [Wislizenus] 100. 1848
Synonymy: 21
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Subspecies, varieties, forms and cultivars of plants belonging to the Echinocereus dasyacanthus group

  • Echinocereus dasyacanthus Engelm.: each year's new spines make a distinct band around the plant. The result is a stem with alternating bands of colour. Flowers yellow. Distribution: USA (Texas, Oklahoma and New Mexico) and Mexico
  • Echinocereus dasyacanthus var. ctenoides (Engelm.) Backeb.: has yellow, orange, or a blend of yellow and orange flowers to 10 cm scross. Flowerless plant resemble E. pectinatus. Distribution: Southern Texas and Coahuila, Mexico.
  • Echinocereus dasyacanthus var. rectispinus Trocha & Fethke: has slightly longer brown or purplish-black central spines. There are no other clear distinguishing features, and it be regarded as the same species. Distribution: Chihuahua, Mexico.

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