Stems prostrate to ascending, spreading, 3–40 cm. Leaf blades linear to oblanceolate, 1–10 cm, glabrous or with elongate, 1-cellular hairs. Flowers: sepals 2.5–8 mm; petals 4–15 mm; stamens 3–15; pedicel ± straight in fruit, 0.4–2.5 cm. Capsules usually not exceeding calyx by 3+ mm. Seeds 10–20, 1–2.5 mm wide, finely reticulate at 30×. 2n = 24.
Phenology: Flowering spring.
Habitat: Sandy to loamy soils, grassy areas, cultivated fields
Elevation: 10-1900 m
B.C., Ariz., Calif., N.Mex., Oreg., Wash., w Mexico, Central America (Guatemala), nw South America.
Calandrina ciliata is highly variable vegetatively, especially in size, but is uniform in flower, fruit, and seed. It is very similar to C. breweri (see discussion above).