Echinocactus victoriensis (Rose) Backeberg 1961
Ferocactus echidne var. victoriensis (Rose) G. E. Lindsay 1955
Echinocactus rafaelensis J. A. Purpus 1912
Ferocactus rafaelensis (J. A. Purpus) Borg 1937
Ferocactus rhodanthus Fritz Schwartz 1979
Ferocactus echidne (A. P. de Candolle) Britton & Rose 1922
Sonora barrel
Ferocactus echidne is native to central Mexico.
Plants: Plants are gray-green, up to 1′ (35 cm) high and up to 8″ (20 cm) in diameter, singly- or multiply-stemmed, with 13-16 prominent ribs. A central spine up to 1¾″ (5 cm) long is surrounded by 7-9 shorter spines; spines are light to dark brown.
Flowers: Yellow, funnel-shaped flowers ¾–1¾″ long ⨉ 1–1¼″ around (2–4.5 ⨉ 3–3.5 cm) appear in the center of the top of each stem.
Fruits: Up to ¾″ (2 cm) long, oval or ball-shaped, light green or white, tinged with pink or red.
Habitats: Igneous rocks and limestone soils in the transitional zone between the arid submontane bushland, and the tropical deciduous forest; at elevations of 984–6102′ (300–1860 m).
Online References:
References:
Echinocactus echidne A. P. de Candolle 1834
Echinocactus victoriensis (Rose) Backeberg 1961
Ferocactus echidne var. victoriensis (Rose) G. E. Lindsay 1955
Echinocactus rafaelensis J. A. Purpus 1912
Ferocactus rafaelensis (J. A. Purpus) Borg 1937
Ferocactus rhodanthus Fritz Schwartz 1979
Echinocactus victoriensis (Rose) Backeberg 1961
Ferocactus echidne var. victoriensis (Rose) G. E. Lindsay 1955
Echinocactus rafaelensis J. A. Purpus 1912
Ferocactus rafaelensis (J. A. Purpus) Borg 1937
Ferocactus rhodanthus Fritz Schwartz 1979
4/6/2011 · Howard Peters Rawlings Conservatory & Botanic Gardens, Druid Hill Park, Baltimore, Maryland · ≈ 1½ × 1′ (54 × 35 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Caryophyllidae | Cacti, many other succulents, carnivorous plants, and leadworts |
| Order | Caryophyllales | Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants |
| Family | Cactaceae | Succulent (water-storing) plants, often spiny |
| Genus | Ferocactus | From the Latin ferus, “fierce,” and cactus, referring to its heavy spines |
| Species | echidne |
Ferocactus echidne description by Thomas H. Kent, not updated.
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