any of various plants of the genus Ephedra, growing in dry regions and having branching stems with dry scalelike leaves.
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How to use ephedra in a sentence
The main ingredient was ephedra, which was shortly after taken off the market for causing heart attacks.
With small and abundantly-produced flowers, this resembles ephedra, hence its name.Hardy Ornamental Flowering Trees and Shrubs | A. D. Webster
Scarcely any change in vegetation occurs: an ephedra, very common up the kotul and abundantly in fruit.Journals of Travels in Assam, Burma, Bhootan, Afghanistan and The | William Griffith
British Dictionary definitions for ephedra
any gymnosperm shrub of the genus Ephedra, of warm regions of America and Eurasia: the source of ephedrine: family Ephedraceae, phylum Gnetophyta
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012