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Sclerocactus unguispinus var. durangensis (C.Runge) N.P.Taylor
Bradleya 5: 94. 1987
Family: CACTACEAE

= Echinomastus unguispinus subs. durangensis (C.Runge) U.Guzmán
Cactaceae Syst. Init. 16: 17 (11 Oct. 2003). Remarks: first published in U.Guzmán et al., Catálogo Cact. Mex.: 83 (May 2003), without basionym reference

Accepted Scientific Name: Echinomastus unguispinus (Engelm.) Britton & Rose
Cactaceae (Britton & Rose) 3: 150, fig. 155. 1922 Britton & Rose

Sclerocactus unguispinus var. durangensis (Echinomastus unguispinus subs. durangensis) Photo by: Prof. Ilham Alakbarov

Synonyms:

See all synonyms of Echinomastus unguispinus
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Accepted name in llifle Database:
Echinomastus unguispinus (Engelm.) Britton & Rose
Cactaceae (Britton & Rose) 3: 150, fig. 155. 1922
Synonymy: 18
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Subspecies, varieties, forms and cultivars of plants belonging to the Echinomastus unguispinus group

  • Echinomastus mapimiensis Backeb.: Its habit is very similar to that of E. unguispinus v. durangensis, with longer and thicker central spines.
  • Echinomastus unguispinus (Engelm.) Britton & Rose: has whitish to dark, lower central spine pointing outward and downward, 15–35 mm long. Distribution: Chihuahua, Coahuila, Durango, Zacatecas, and San Luis Potosi.
  • Echinomastus unguispinus subs. durangensis (C.Runge) U.Guzmán: is a little smoller, with more slender, much finer and lighter-colored spines, none of them strongly recurved. Distribution: Zacatecas and Durango, Mexico.
  • Echinomastus unguispinus subs. laui (G.Frank & Zecher) Glass: has stronger and longer central spines and occupies the southernmost regione of the distribution range of the species. Distribution: Salinas, San Luis Potosi.

25836 Ilham Prof. Ilham Alakbarov
Sclerocactus unguispinus var. durangensis (Echinomastus unguispinus subs. durangensis) Photo by: Prof. Ilham Alakbarov
25838 Ilham Prof. Ilham Alakbarov
Sclerocactus unguispinus var. durangensis (Echinomastus unguispinus subs. durangensis) Photo by: Prof. Ilham Alakbarov


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