摘 要 ：Tetraena mongolica Maxim. is the only member of the genus Tetraena that belongs to the family Zygophyllaceae. It is characterized by the following features： small deciduous shrubs, 30-50 cm tall, much branched;leaves paripinnate,opposite on current year branches,and fascicled on old branches; leaflets 2,
Abstract:Tetraena mongolica Maxim. is the only member of the genus Tetraena that belongs to the family Zygophyllaceae. It is characterized by the following features, small deciduous shrubs, 30 - 50 cm tall, much branched ; leaves paripinnate,opposite on current ye