Montana Field Guide

Rhizomatous perennial herbs. Stems erect, 20–80 cm, usually simple. Leaves 3–10 cm long, sessile, lanceolate to oblanceolate, serrate; the lowest deciduous. Herbage glabrous below the inflorescence, non-aromatic. Inflorescence of bracteate, pedicellate flowers in a terminal, simple or branched, glandular puberulent raceme. Flowers: calyx 4–6 mm long, glandular,10-veined, the subequal 5 lobes shorter than the tube; corolla 10–15 mm long, lavender, bilabiate; upper lip hood-like, 3–5 mm long; lower lip reflexed down with 3 nearly equal lobes; stamens 4, included in the upper lip; style equally lobed (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Moist, often stony soil on banks of streams, wetlands; 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 (Colla and Dumesh 2010).