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Senna siamea - Siamese Senna

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Siamese Senna

Siamese Senna is a large genus of flowering plants in the legume family Fabaceae and the subfamily Caesalpinioideae. This diverse genus is native throughout the tropics, with a small number of species in temperate regions.


Weight loss, Irritable bowel syndrome, Abdominal pain, Hair Loss, Constipation, Hemorrhoids, Intestinal Worms, Indigestion

Parts Used

Leaves, Fruits.

Chemical Composition

Dianthrone glycosides, SennosManjakonna, Manjakonneiides A and B (rhein dianthrones containing the aglycone Sennidin A and Sennidin B respectively), Sennosides C and D (gylcosides of heterodianthrones rhein and aloe emodin)[1]

Common names

Language Common name
Kannada Sima tangedu, Hiretangedi
Hindi Seemia, Kassod
Malayalam Manjakonna, Manjakonnei
Tamil Manjal konrai
Telugu Sima tangedu, Kurumbi
Marathi NA
Gujarathi NA
Punjabi NA
Kashmiri NA
Sanskrit Swarn Patri
English Siamese Senna, Siamese cassia


Reference: Dravya - Substance, Rasa - Taste, Guna - Qualities, Veerya - Potency, Vipaka - Post-digesion effect, Karma - Pharmacological activity, Prabhava - Therepeutics.



Tikta (Bitter), Kashaya (Astringent)


Laghu (Light), Ruksha (Dry), Tikshna (Sharp)


Ushna (Hot)


Katu (Pungent)


Kapha, Vata



Evergreen tree



Kind Shape Feature
Pinnate Alternate The leaves are paripinnately compound, the leaflets opposite



Type Size Color and composition Stamen More information
Bisexual 2-4cm long yellow, rarely white 4 They are buzz pollinated and offer pollen as a reward to pollinators


Type Size Mass Appearance Seeds More information
Pod 20-25×1-1.5 cm long stipitate, strap-shaped, compressed woody with thick sutures seeds 20-30, longitudinal. {{{6}}}

Other features

List of Ayurvedic medicine in which the herb is used

Where to get the saplings

Mode of Propagation


How to plant/cultivate

Seed - requires pre-treatment to soften the hard seedcoat and allow the ingress of water. This can be done by soaking the seed in a small amount of nearly boiling water (which cools down quickly and does not cook the seed) and then soaking the seed for 12 - 24 hours in warm water. Alternatively, a small area of the seed coat can be abraded, being careful not to damage the embryo. Germination of treated seed is about 90% within 60 days. Germination of untreated seeds is about 75% in 4 - 29 days. The seed is usually sown in situ. Seeds should be sown in areas with full sunlight, as the slightest shade reduces germination considerably [3]

Commonly seen growing in areas

Trophical region, Temperate region

Photo Gallery


External Links