Definition of caper spurge in English:

caper spurge

noun

  • An ornamental European spurge which has become naturalized in North America. It has poisonous seeds, but the buds can be used as a substitute for capers.

    • ‘As the whole plant is not shown, I cannot be sure, but it looks like caper spurge, Euphorbia lathyrus - a biennial about 3-4 ft tall.’
    • ‘E. lathyrus (caper spurge) is a glabrous, somewhat fleshy, grey-green perennial or biennial herb to 70 cm.’
    • ‘OK, so we have a terrible problem with moles - we never did get any caper spurge.’