A plant species of the family Ephedraceae, order Ephedrales, class Gnetopsida, division Gnetophyta. It is a source of EPHEDRINE and other alkaloids.

A plant genus of the family Ephedraceae, order Ephedrales, class Gnetopsida, division Gnetophyta.

A phenethylamine found in EPHEDRA SINICA. PSEUDOEPHEDRINE is an isomer. It is an alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used for asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists.

A plant genus of the family FABACEAE. Members contain STILBENES.