Subshrubs, bushy, to 16 dm; branches of current season 10–38 cm. Leaves: petiole 0–1 mm; blade usually elliptic, sometimes falcate, without marked size dimorphism, to 42 × 5 mm, base acute, margins entire, apex rounded to acute. Inflorescences 60-flowered. Flowers ± radially symmetric; petals spatulate, 5 mm, claws distinct; stamens exserted distally (not laterally between petal claws). 2n = 46.

Phenology: Flowering Mar–Jun.
Habitat: Sandy and gravelly canyon and arroyo bottoms, creosote bush scrub.
Elevation: 20–1000 m.

Distribution

• Generated Map
• Legacy Map

Ariz., Calif., Mexico (Baja California, Sonora).

Discussion

Petalonyx linearis is found in the Sonoran Desert.

Selected References

None.

Lower Taxa

None.