Silene noctiflora L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Annual, 2–8 dm, densely and coarsely hirsute below, viscid with abundant glandular hairs above; lvs lance-ovate to elliptic-oblanceolate, 5–12 × 2–4 cm, the basal petiolate, the cauline narrower, sessile, infl loosely branched; fls mostly perfect; cal 1.5 cm at anthesis, inflated and 2.5–3 cm in fr, the 10 nerves glandular and freely anastomosing, the lance-linear lobes 5–9 mm; pet blade 7–10 mm long, deeply 2-lobed, pink above, yellowish beneath, inrolled during the day, opening in the evening; auricles 1–1.5 mm, the broad appendages 0.5–1.5 mm, entire or erose; carpophore 1–3 mm; styles 3; fr 3-locular, opening by 6 teeth; seeds 0.8–1 mm, rugose-papillate; 2n=24. Native of Europe, widely distributed as a weed in most of the U.S. and s. Can. July–Sept.
sticky cockle, catchfly