Herbs diffuse to erect. Spikes densely flowered, 10–13(–15) mm diam.; axis not visible, 0.5–5 cm; bracts narrowly ovate- to lanceolate-acuminate, 3.5–5.5 × 1.2–2 mm. 2n = 14.

Phenology: Flowering spring, late summer–fall.
Habitat: Rocky soils, open grasslands, open oak or juniper woodlands, mostly on limestone.
Elevation: 300–1200 m.

Distribution

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Ariz., N.Mex., Tex., Mexico (Chihuahua, Coahuila, Durango, Nuevo León, Sonora, Tamaulipas).

Discussion

Variety carnescens most often grows in alkaline soils and is found in southeastern and central Arizona, southern New Mexico, and Texas, especially in the trans-Pecos, Edwards Plateau, and Rio Grande valley regions.

Selected References

None.

Lower Taxa

None.