Night-flowering Catchfly - Silene noctiflora
Night-flowering Silene, Clammy Cockle
Taprooted annual, hirsute and glandular above. Stems erect, 20–80 cm, mostly simple. Leaves mainly cauline, lanceolate to obovate, 3–12 cm long, the lower petiolate. Inflorescence an open, glandular, several-flowered cyme. Flowers: calyx 12–20 mm long with lobes 5–9 mm long, 10-veined, becoming swollen in fruit; petals white, the blade 2-lobed, 3–10 mm long; styles 5. Capsules ovoid, equaling and splitting 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 species or genera where their geographic ranges overlap: Bombus vagans
, Bombus pensylvanicus
, and Bombus impatiens
(Colla and Dumesh 2010).