Montana Field Guide

Stems erect, spineless, 0.5–1.5 m. Twigs with sparse, sessile glands, puberulent, tan becoming gray. Leaf blades 3–15 cm wide, 3- to 5-lobed, cordate, dentate, crystaline-glandular beneath, pubescent to glabrous, aromatic. Inflorescence ascending, 10- to 40-flowered. Flowers bowl-shaped, white, 2–5 mm long, pubescent to glabrous, glandular; calyx lobes 2–4 mm long, lanceolate; petals white, 1–2 mm long; stamens as long as petals; styles glabrous, united half way. Berry black, 4–10 mm long, mostly glabrous, unpalatable (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Moist to wet forest, thickets, often along streams; valleys to lower 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 vagans, Bombus bifarius, Bombus centralis, Bombus fervidus, Bombus flavifrons, Bombus huntii, Bombus melanopygus, Bombus mixtus, Bombus nevadensis, Bombus terricola, Bombus sitkensis, Bombus occidentalis, Bombus pensylvanicus, Bombus bimaculatus, Bombus impatiens, Bombus insularis, and Bombus flavidus (Plath 1934, Thorp et al. 1983, Colla and Dumesh 2010, Koch et al. 2012, Williams et al. 2014).