Dame's Rocket - Hesperis matronalis
Mother-of-the-Evening, Dame-s-wort, Dame's Gilliflower
Taprooted perennial. Stems 50–100 cm, often branched above. Leaves all cauline, lanceolate, 3–10 cm long, sessile above, dentate. Vestiture of simple and branched hairs. Inflorescence an ebracteate, branched raceme. Flowers purple to white, fragrant; petals 17–23 mm long. Fruit glabrous, linear siliques, constricted between seeds, 5–14 cm × 1–2 mm; style 1–2 mm long; seeds in 1 row per locule; pedicels spreading, 10–25 mm long (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 vagans
, Bombus pensylvanicus
, Bombus griseocollis
, and Bombus impatiens
(Colla and Dumesh 2010).