Clustered Bellflower - Campanula glomerata
Stems erect, branched, 30–55 cm. Herbage sparsely hispid. Basal leaves petiolate; blades lanceolate, serrate, 5–10 cm long, deciduous at flowering. Stem leaves becoming sessile and clasping. Inflorescence of hemispheric clusters, terminal and in upper leaf axils. Flowers: sepals linear, ciliate, 7–11 mm long, erect; corolla conical to campanulate, 2–3 cm long; style shorter than corolla; stigmas 3 (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus rufocinctus
, Bombus pensylvanicus
, Bombus bimaculatus
, Bombus griseocollis
, and Bombus impatiens
(Thorp et al. 1983, Colla and Dumesh 2010, Williams et al. 2014).