Euphorbia amygdaloides L. ssp. amygdaloides

Washington: Thurston County: Old Military Road, 1 mile east-northeast of Tenino. Elev. 278 ft.
46° 51.8' N, 122° 49.6' W; T16N R1W S20
With Stellaria media, Senecio vulgaris. Annual weed in gravel paths in garden, full sun, new growth purple, flowers yellow, horns pointed and concave; fruit rough with no large warts; bracts fused; occasional escape. Phenology: Flowers.

Peter F. Zika 20556, May 16, 2005
WTU, Accession: 363565