Evolvulus alsinoides Linn

Synonym ► E. hirtus Lam. E. angustifolius Roxb. Convolvulus alsinoides L.

Family ► Convolvulaceae.

Habitat ► Throughout India, as a common weed in open and grassy places; ascending to 2,000 m in the Himalayas.

Ayurvedic ► Shankapushpi (blue-flowered var., Convolvus pluricaulis: white-flowered var.)

Unani ► Shankhaahuli.

Siddha/Tamil ► Vishnukrandi (blue-flowered), Shivakrandi (white-flowered).

Action ► Brain tonic, an aid in conception, astringent, antidysen-teric. Leaf—antiasthmatic. Used in nervine affections (epilepsy, insanity, spermatorrhoea), and duodenal ulcers, also for uterine affections. Flowers—used for uterine bleeding and internal haemorrhages. A decoction of the herb is given as a blood purifier.

The plant contains alkaloid evolvine, beta-sitosterol, stearic, oleic, linoleic acids, pentatriacontane and triacon-tane. The alkaloid evolvine exhibited powerful stimulant activity on respiration and blood pressure (possibly analeptic).

Aqueous extract of the petal showed antifungal property.

Habitat ► A weed of grassy lawns.

Ayurvedic ► Aakhukarni, Muusaakarni (substitute for Merremia emarginata (Burm. f.) Hallier f., synonym Ipomoea reniformis Choisy).

Folk ► Muusaakaani, Chhinipatra (Bihar).

Action ► Weak sedative, anthelmintic.

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