Any plant of the genus Ephedra of gymnosperm shrubs. / A stimulant derived from the plant Ephedra sinica used in traditional Chinese herbal medicine and in over-the-counter weight-loss aids.

plural of ephedra

A gray, leafless shrub native to dry, rocky or sandy areas of western North America and used to make an herbal tea, Ephedra nevadensis

A leafless desert shrub of the US Southwest, Ephedra viridis, used to make an herbal tea.

plural of green ephedra

A gray, leafless shrub native to dry, rocky or sandy areas of western North America and used to make an herbal tea, Ephedra nevadensis

(botany) Belonging to the Ephedraceae.