Euphorbia lathyris aka Caper Spurge

Euphorbia lathyris, commonly known as the caper spurge or paper spurge, is a species of spurge native to southern Europe, northwest Africa, and southwest Asia, extending all the way to western China. This upright annual/biennial plant can reach a height of 1.2m and features narrow, lance-shaped dark-green leaves that grow in regimented horizontal pairs along unbranched stems. Small yellow-green flowers, measuring up to 4mm in diameter, bloom from late spring through summer, followed by clusters of green seeds that ripen to brown. Other names occasionally used for Euphorbia lathyris include gopher spurge, gopher plant, or mole plant. Despite its native origins, this species has become widely naturalized in various regions and is often considered an invasive weed.