- any of a large genus (Ephedra) of low, leafless, green gymnospermous shrubs (family Ephedraceae): the dried rhizomes and roots are used as a natural source of ephedrine
- any stimulant herb derived from this shrub and used in medicine
Origin of ephedraModern Latin ; from Classical Latin ephedra, the horsetail plant ; from Classical Greek ephedros, sitting by ; from epi-, on, near + hedra, a seat
- Any of various usually shrubby gymnosperms of the genus Ephedra, having jointed green stems and small scalelike leaves, some species of which are used as a source of ephedrine.
- A drug containing ephedrine derived from one of these plants, used in traditional Chinese medicine as a stimulant and decongestant and sold in the United States primarily as a dietary supplement for weight loss before it was banned because of toxic side effects in 2004. Also called ma huang.
Origin of ephedraLatin ephedra, horsetail, from Greek ephedra, from feminine of ephedros, sitting upon : ep-, epi-, epi- + hedra, seat; see sed- in Indo-European roots.
From Ancient Greek á¼Ï†ÎÎ´ÏÎ± (ephedra, “sitting upon"), from á¼Ï€Î¯ (epi, “upon") + á¼•Î´ÏÎ± (hedra, “seat").