Ferocactus piliferus(Lem.) G.Unger

WFO wfo-0001430982 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Ferocactus piliferus, photographed by Juan Cruzado Cortés
fig. a Juan Cruzado Cortés, CC BY-SA 4.0 / 2022-04-18 / obs. 191239375
Ferocactus piliferus, photographed by Juan Cruzado Cortés
fig. b Juan Cruzado Cortés, CC BY-SA 4.0 / obs. 191228968
Ferocactus piliferus, photographed by Leticia Jiménez Hernández
fig. c Leticia Jiménez Hernández, CC BY-SA 4.0 / obs. 169954951
Ferocactus piliferus, photographed by Leticia Jiménez Hernández
fig. d Leticia Jiménez Hernández, CC BY-SA 4.0 / obs. 171927394
Ferocactus piliferus, photographed by Leticia Jiménez Hernández
fig. e Leticia Jiménez Hernández, CC BY-SA 4.0 / obs. 171926600
Ferocactus piliferus, photographed by Leticia Jiménez Hernández
fig. f Leticia Jiménez Hernández, CC BY-SA 4.0 / obs. 171926739
Ferocactus piliferus, photographed by Alejandro Gómez Maya
fig. g Alejandro Gómez Maya, CC BY 4.0 / obs. 171039701
Ferocactus piliferus, photographed by Leticia Jiménez Hernández
fig. h Leticia Jiménez Hernández, CC BY-SA 4.0 / obs. 161820046

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.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Flowering n = 96 observations

Peak flowering in Mar, from 96 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 18 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 piliferus Lem.
  • Echinocactus pilosus Galeotti
  • Echinocactus pilosus f. stainesii (Salm-Dyck) Voss
  • Echinocactus pilosus var. flavispinus Schelle
  • Echinocactus pilosus var. pringlei J.M.Coult.
  • Echinocactus pilosus var. stainesii Salm-Dyck
  • Echinocactus pringlei (J.M.Coult.) Rose
  • Echinocactus stainesii Hook. ex Salm-Dyck
  • Echinocactus stainesii Hook. ex Poit.
  • Echinocereus pringlei Rose
  • Ferocactus piliferus Lem. ex Ehrenb.
  • Ferocactus piliferus f. flavispinus (Schelle) G.Unger
  • Ferocactus piliferus var. stainesii (Salm-Dyck) G.Unger
  • Ferocactus pilosus (Galeotti) Werderm.
  • Ferocactus pringlei (J.M.Coult.) Britton & Rose
  • Ferocactus stainesii (Hook. ex Salm-Dyck) Britton & Rose
  • Ferocactus stainesii var. pilosus (Galeotti ex Salm-Dyck) Backeb.
  • Ferocactus stainesii var. pringlei (J.M.Coult.) Backeb.

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.

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