1. A plant of a large genus (Euphorbia) of the spurge family, typically having small flowers and a milky sap, and including poinsettias and spurges.
Usage: Often used in botanical and horticultural contexts.; Capitalized when referring to the genus name.

Examples

• The poinsettia is a popular euphorbia grown as a houseplant during the winter holidays.
• Many euphorbia species are drought-tolerant and thrive in arid climates.
• The gardener planted several euphorbias in the succulent garden.
• Euphorbia pulcherrima, commonly known as the poinsettia, is native to Mexico.
• Some euphorbias produce a toxic milky sap that can irritate the skin.