approximately 40 species, which occur in Southern Europe, Asia, sub-tropical America and North Africa. Find a portrait Considered Dominion: People, Animals an evolutionary link. studies of Ephedra plants Part I - The comparative histological studies on Ephedra rhizomes from Pakistan and Afghanistan and
Chinese. "How can I get ephedra the plant not - Find the answer to this question and millions more on Yahoo!7 Answers. Ephedra contains about 40 species, among them the Asiatic plants known as ma huang, sources of the decongestant drug 
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a species was from Ephedraceae the family, viridis. E. Several species ephedra are now used as cardiac stimulants
used to refer to the same substance derived from the plant Ephedra. (There are many common names for these evergreen plants, including squaw. The compounds in the Ephedra plant
that gave desired its effects not known until were 