Illustrator: John Myers

Copyright: Flora of North America Association

Stem segments erect, flattened, obovate, 7–22(–35) × 6.5–13.5(–16) cm; areoles (8–)10–16(–19) per diagonal row across midstem segment, circular. Spines absent or very rarely 1–few very short spines per stem segment. Fruits spineless. 2n = 22.

Phenology: Flowering late winter–spring (Feb–Jun).
Habitat: Chaparral, woodlands, desert flats, hills, sandy to rocky soils
Elevation: 300-1700 m

Distribution

• Generated Map
• Legacy Map

Ariz., Calif., Nev., Utah, n Mexico.

Discussion

Selected References

None.

Lower Taxa

None.