Perennial herbs, erect, glabrous proximal to inflorescences. Stems (3–)3.5–7(–9) dm, eglan­dular or sparsely gland-dotted. Principal leaves 1–5 cm; leaflets (11–)17–43, blades elliptic-oblanceolate to narrowly obovate, 1–4.5(–5.5) mm. Peduncles 0.5–5(–10) cm. Inflorescences spikes, densely flowered, not involucrate, 7–9 mm diam.; axis not visible, (0.4–)0.7–5.5(–7) cm; bracts persistent, (2.2–)2.5–4.5 mm. Calyces subsymmetric, 3.6–4.8(–5.2) mm, silky-pilosulous; tube 2–2.7 mm, with 3–6 glands between ribs, lobes triangular-acuminate to -aristate. Corollas white or whitish, banner reddish or purplish in age; not conventionally papilionaceous; banner plane, 4–5.7 mm, blade triangular-cordate to rhombic-ovate, not peltate, 1.6–2.5 × 2–2.4 mm; epistemonous petals attached high on stamen tube, just proximal to separation of filaments, blades 2.2–3.1 × 0.8–1.4 mm. Stamens 10, 5.5–7 mm, filaments distinct to 2.7–4 mm, anthers 0.5–0.7 mm. Legumes 2.2–2.5 mm, villosulous distally and dotted with small glands. Seeds 1.6 mm. 2n = 14.

Phenology: Flowering fall (spring–summer).
Habitat: Rocky slopes, washes, canyons, open pine or oak woodlands.
Elevation: 700–2200 m.

Distribution

• Generated Map
• Legacy Map

Loading map...

Ariz., N.Mex., Mexico (Chihuahua, Durango, Sinaloa, Sonora).

Discussion

Dalea grayi occurs in southeastern Arizona as far northwest as Gila County and far southwestern New Mexico (Grant and Hidalgo counties).

Selected References

None.

Lower Taxa

None.