Middle-size Sandspurry - Spergularia media
Other Names:
Greater Sea-spurrey, Media Sandspurry, Satin Flower,
Spergularia maritima
Perennial from a small, woody, branched caudex. Stems ascending to prostrate, 10–20 cm. Leaves 5–20 mm long, glabrous, few-fascicled; stipules 2–4 mm long. Flowers in glandular-hairy, few-flowered, terminal and axillary cymes; sepals 3–5 mm long. Capsule longer than the calyx; seeds winged (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).