Stem segments narrowly obovate, 4–7 × 2–3(–5) cm; areoles 4–6 per diagonal row across midstem segment, 8–11 mm apart. Spines in most areoles, of 2 kinds: major spines 1–3 per areole, only in distal 3–9 areoles, reflexed to porrect, brown, longest 20–40 mm; minor spines 5–7 per areole, strongly deflexed, white, 4–7 mm, except middle one to 14 mm. Fruits slender; areoles 10–14, bearing 3–6 spines, to 8 mm. 2n = 22.

Phenology: Flowering late spring.
Habitat: Sandy barren areas, small dunes
Elevation: 1000-1300 m

Distribution

• Generated Map
• Legacy Map

N.Mex., Tex., Mexico (Chihuahua).

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.