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Abroma augusta - Ulat kambal

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Ulat kambal, Abroma augusta

Ulat kambal is a large, spreading shrub or small tree sometimes growing up to 10 metres tall, but more generally 1 - 4 metres when in cultivation. The plant provides a high quality fibre that is mainly used locally. It also has local medicinal uses. Often harvested from the wild, it is also sometimes cultivated in tropical areas as a fibre crop and is sometimes grown as an ornamental.


Gynecological disorders, Induces menstruation, Arthritis, Bronchitis, Fever [1]

Parts Used


Chemical Composition

The root contains abromine (betaine), friedelin, abromasterol, abromasterol A, choline, beta-sitosterol, stigmasterol and octacosanol. Leaves, reported to be useful in treating uterine disorders, contain taraxerol, its acetate and lupeol. [2]

Common names

Language Common name
Hindi Ulat kambal
Tamil Sivappututti
Marathi NA
Gujarathi NA
Punjabi NA
Kashmiri NA
Sanskrit Yoshini, Pivari
English Devil's cotton



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



Tikta (Bitter), Katu (Pungent)


Laghu (Light), Rooksha (Dry)


Ushna (Hot)



Kapha, Vata






Kind Shape Feature
Simple alternate Leaves 10-20 (-30) x 5-15 (-25) cm; ovate-lanceolate, ovate-oblong, cordate at base, acute or acuminate at apex, repand-denticulate, glabrescent above, tomentose beneath; petioles 1.5-2.5 cm long; stipules linear, as long as the petiole, deciduous.



Type Size Color and composition Stamen More information
Bisexual subterminal or axillary peduncled cymes Maroon 5 cm in diameter. Sepals ca 2 x 0.6 cm, lanceolate, connate at base, persistent. Petals ca 2.8 x 1.2 cm with hooded ca 5 mm long claw and spoon- shaped lamina, claws hairy outside. Stamens 3 in each group in the sinus; staminodes ca 2x1 mm, hairy, emarginate. Ovary 2.5-3 x 2 mm, oblong, 5- lobed, sessile; styles ca 2 mm long


Type Size Mass Appearance Seeds More information
Capsule 3.5-4 cm long obpyramidal, membranous, 5-angled, truncate at apex, septicidally 5-valved, valves villous at the edge seeds many, ca 3 x 2 mm, obovate. {{{6}}}

Other features

List of Ayurvedic medicine in which the herb is used

Where to get the saplings

Mode of Propagation

Seeds, Cuttings.

How to plant/cultivate

Prefers hot and humid climate. Mature seeds are collected during December-January The seeds are sown in well-prepared nursery beds or polybags during February to mid-March. For better germination seeds may be given treatment with dilute sulfuric acid for 6 minutes and then thoroughly washed. Germination occurs in 12-15 days. [5]

Commonly seen growing in areas

Tropical area, Sub tropical area

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