[A pharmacognostical study on herba Spirodelae and its adulterants].
OBJECTIVE
To Study the characteristics of Herba Spirodelae(Spirodela polyrrhiza) and its adulterants S. oligorrhiza and Lemna minor for identification.


METHODS
The characteristics were compared and identified morphologically and histologically.


RESULTS
The morphological and histological characteristics of S. polyrrhiza, S. oligorrhiza and L. minor are different from each other. Several tables, keys and drawings are given.


CONCLUSIONS
The main macroscopical and microscopical characteristics can be used fo differentiate S. polyrrhiza from its adultrants.
Guangxi College of Traditional Chinese Medicine, Nanning 530001.
B
B
He
J
J
Zheng
B
B
Wang
W
W
Deng
D004340:Drug Contamination; D004365:Drugs, Chinese Herbal; D019684:Magnoliopsida / Q000033:anatomy & histology* / Q000145:classification; D010598:Pharmacognosy; D010946:Plants, Medicinal / Q000033:anatomy & histology* / Q000145:classification
D004365:Drugs, Chinese Herbal