Montana Field Guide

Rhizomatous perennial. Stems often branched, basally prostrate, rooting at the nodes, terminally ascending 5–40 cm. Herbage glabrous. Leaves 2–5 cm long, sessile, linear-lanceolate to lanceolate, entire to obscurely serrate. Inflorescence of glabrous, axillary racemes; pedicels 5–12 mm long. Flowers: calyx 1–2 mm long; corolla blue, 3–5 mm across; style 1–2 mm long. Capsule reniform, flattened, 3–5 mm wide, deeply notched, glabrous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Mud along rivers, lakes, ponds; valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans and Bombus pensylvanicus (Colla and Dumesh 2010).