Apetalous Catchfly - Silene uralensis
Viscid, glandular-pubescent perennial from a simple or branched caudex. Stems simple, 20–60 cm. Leaves all cauline, oblanceolate to lanceolate, 6–7 cm long, short-petiolate below. Inflorescence a few- to many-flowered, leafy, compound cyme. Flowers: calyx campanulate, 10-veined, 15–20 mm long; petals greenish-white, barely longer than the calyx, the blade ca. 2 mm long, shallowly bilobed, with 4 appendages; styles 3. Capsules ellipsoid, equaling the calyx, opening by 6 slits (Lesica 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 vagans
, Bombus pensylvanicus
, and Bombus impatiens
(Colla and Dumesh 2010).