Leaf blades 10–40(–50) × 10–20 mm, midstem blades mostly 20–40(–50) mm. Peduncles 5–25 mm, pubescent, mostly lacking glandular hairs. 2n = 18.

Phenology: Flowering Mar–Oct.
Habitat: Open sandy areas, arid rocky slopes, desert canyons
Elevation: 400–2000 m

Distribution

• Generated Map
• Legacy Map

Ariz., N.Mex., Tex., Mexico.

Discussion

Variety brachiata includes most specimens from Arizona, except those from lower side canyons of the Grand Canyon. Those plants are strongly gland-dotted and often have larger leaves characteristic of the type variety. Some plants from southeastern Arizona are not clearly differentiated.

Selected References

None.

Lower Taxa

None.