Perennials, 1.5–2.5(–8) cm (cespitose, bases sometimes woody). Stems erect to decumbent, sericeous. Leaves mostly basal; blades (15–30 × 1.5–8 mm) pinnati-palmately lobed (lobes 2–3, linear, 1–2 mm wide) or linear, faces silvery-canescent. Heads borne singly. Involucres 4.5–7 mm. Phyllaries (12–)14–20+, midribs canescent or glabrous. Cypselae (light brown) 1.8–2.5 mm (faces finely striate).

Phenology: Flowering May–Aug.
Habitat: Dry hills and slopes
Elevation: 2200–2700 m

Distribution

• Generated Map
• Legacy Map

Wyo.

Discussion

Of conservation concern.

Sphaeromeria simplex is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.