Calystegia sepium (L.) R. Br. ssp. limnophila (Greene) Brummitt

Washington: King County: Lake Washington, Lake Washington Boulevard, just south of moorings, just north of east end of 53 Avenue south, Seattle. Elev. 16 ft.
47° 33.7' N, 122° 16' W
On west lakeshore, with Aster subspicatus, Cichorium intybus, Phalaris arundinacea, Circium arvense; full sun. Common, twining herbaceous vine, sepals exposed, 5 white stripes on pink corolla, flowers 45-55 milimeters long x 45-55 milimeters diameter, stigma 21 milimeters, anthers 15-17 milimeters; rank herbaceous. Phenology: Flowers.

P. F. Zika 18916, Aug 26, 2003
With A. L. Jacobson
WTU, Accession: 354163