Cassia siamea Lamk is a tropical plant of family Caesalpiniaceae and is native of Southeast
Asia. It is well-known for its nutritional, medicinal and economic importance and has been traditionally
used for the treatment of ailments such as fever, malaria, diabetes, hypertension, asthma,
constipation, diuresis, CNS disorders, jaundice, abdominal pain and menstrual pain either in crude
form or as decoction of leaves and flowers. In some part of Asia, leaves and flowers of C. siamea are
used as vegetables. Exhaustive literature is surveyed and summarized in this review to bring singlepot
information for C. siamea available since 1925. C. siamea plant is found to be medicinally important
for the treatment of several pathological complications. At the same time, it has also nutritional
and economic importance. The major phytochemical constituents present include anthraquinones
along with coumarins, alkaloids, flavonoids, glycosides, triterpenoids, sterols and other polyphenols.
Further research on this plant has explored its specific pharmacological properties such as
analgesic, antioxidant, anti-inflammatory, antimalarial, vasorelaxant, antitumor, antiarrhythmic,
antiandrogen, anti-HIV and anxiolytic activity in various in vitro and in vivo studies. There is couple
of reports that show toxicity concerns of this plant. It is an attempt to summarize morphological, microscopic,
phytochemical, pharmacological and toxicological studies for improving research exploration
and biomedical application potential of C. siamea.