Sclerocactus unguispinus(Engelm.) N.P.Taylor

WFO wfo-0001256496 Accepted WFO 2026-06 8 photographs CC0

Plate 1 figs. a–h · 8 separate observations

Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. a Alejandro Sigala Chávez, CC0 1.0 / 2017-10-16 / obs. 180169309
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. b Alejandro Sigala Chávez, CC0 1.0 / obs. 180721210
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. c Alejandro Sigala Chávez, CC0 1.0 / obs. 179786721
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. d Alejandro Sigala Chávez, CC0 1.0 / obs. 179786737
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. e Alejandro Sigala Chávez, CC0 1.0 / obs. 179786691
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. f Alejandro Sigala Chávez, CC0 1.0 / obs. 32951404
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. g Alejandro Sigala Chávez, CC0 1.0 / obs. 179903064
Sclerocactus unguispinus, photographed by Alejandro Sigala Chávez
fig. h Alejandro Sigala Chávez, CC0 1.0 / obs. 179786677

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 1 botanical country

Regions where Sclerocactus unguispinus is native: Mexico Northeast Mexico Northeast
Native distribution of Sclerocactus unguispinus, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Mexico Northeast MXE NORTHERN AMERICA

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Also published as 22 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Echinocactus durangensis Runge
  • Echinocactus trollietii Rebut
  • Echinocactus unguispinus Engelm.
  • Echinomastus durangensis (Runge) Britton & Rose
  • Echinomastus laui G.Frank & Zecher
  • Echinomastus mapimiensis Backeb.
  • Echinomastus unguispinus (Engelm.) Britton & Rose
  • Echinomastus unguispinus subsp. durangensis (Runge) U.Guzmán
  • Echinomastus unguispinus subsp. laui (G.Frank & Zecher) Glass
  • Echinomastus unguispinus subsp. minimus (A.B.Lau) U.Guzmán
  • Echinomastus unguispinus subsp. unguispinus
  • Echinomastus unguispinus var. durangensis (Runge) Bravo
  • Echinomastus unguispinus var. laui (G.Frank & Zecher) Glass & R.A.Foster
  • Echinomastus unguispinus var. minimus A.B.Lau
  • Neolloydia durangensis (Runge) L.D.Benson
  • Neolloydia unguispina (Engelm.) L.D.Benson
  • Pediocactus unguispinus (Engelm.) Halda
  • Pediocactus unguispinus var. durangensis (Runge) Halda
  • Sclerocactus unguispinus var. durangensis (Runge) N.P.Taylor
  • Thelocactus durangensis (Runge) G.D.Rowley
  • Thelocactus unguispinus (Engelm.) G.D.Rowley
  • Thelocactus unguispinus (Engelm.) W.T.Marshall

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.