Montana Field Guide

Perennial with turions on fine horizontal roots. Stems erect, 5–50 cm. Herbage sparsely puberulent, glandular above. Leaves opposite, mostly sessile, narrowly elliptic, entire to serrulate, 2–8 cm long. Inflorescence a few-flowered raceme, nodding in bud. Flowers white to pink; hypanthium 0.5–1 mm long; sepals glabrous to glandular-puberulent, 1–2 mm long; petals 2–4 mm long. Capsule pedicelate, 15–45 mm long, glabrous or glandular-hairy; seeds reticulate or papillose with a deciduous coma (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Wet meadows, along streams, wetlands, moist grasslands, rocky slopes; montane, subalpine (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 bifarius, Bombus centralis, Bombus fervidus, Bombus flavifrons, Bombus frigidus, Bombus melanopygus, Bombus mixtus, Bombus rufocinctus, Bombus sylvicola, Bombus ternarius, Bombus sitkensis, Bombus occidentalis, Bombus griseocollis, Bombus impatiens, Bombus insularis, Bombus suckleyi, and Bombus kirbiellus (Thorp et al. 1983, Mayer et al. 2000, Colla and Dumesh 2010, Wilson et al. 2010, Colla et al. 2011, Koch and Strange 2012, Koch et al. 2012, Pyke et al. 2012, Williams et al. 2014).