Herbs or subshrubs, annual or perennial, moundlike to spindle-shaped (wider than tall). Flowers: petals connate 0.5–3 mm, [20–]30–55[–58] mm; stamens (55–)70–150+, filaments 30–60 mm. 2n = 42.

Phenology: Flowering Jan–Dec.
Habitat: Rocky slopes and cliffs, arroyos, limestone and volcanic substrates.
Elevation: 500–1500 m.

Distribution

• Generated Map
• Legacy Map

Tex., Mexico (Chihuahua, Coahuila, Nuevo León, San Luis Potosí, Tamaulipas).

Discussion

Variety bartonioides is known in the flora area from Brewster, Edwards, Jeff Davis, Presidio, Terrell, Uvalde, Val Verde, and Webb counties.

Selected References

None.

Lower Taxa

None.