Family ► Bignoniaceae.
Habitat ► Throughout the greater part of India.
English ► Indian Trumpet Flower.
Ayurvedic ► Shyonaaka, Shoshana, Tuntuka, Kutannata, Madhukparna, Patrorna, Bhalluka, Prthushimba, Nata. ^Q
Siddha/Tamil ► Peruvaagai.
Action ► Tender fruit—carminative, stomachic, spasmolytic. Seed— purgative. Root bark—astringent, antidiarrhoeal. Used for amoebic dysentery. Bark—antirheumatic, diuretic.
The leaves contained flavones and their glycosides including baicalein and scutellarein; also anthraquinone, aloe-emodin. Bark of the root gave chrysin, baicalein and oroxylin A. Bark also gave dihydrobaicalein. Heart-wood yielded beta-sitosterol and an iso-flavone, prunetin.
Dosage ► Root—5-10 g powder; 2550 g for decoction. (API, Vol. III.)
454 Orthosiphon grandiflorus Boldingh.
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