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Hyoscyamus niger - Pārasīkayavānī, Henbane

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Pārasīkayavānī consists of the seed of Hyoscyamus niger. It is an annual or biennial herb. It is native to the Mediterranean region and temperate Asia, occurring in Western Himalayas from Kashmir to Kumaon at an altitude of 1600 to 4000 m, imported into India.


Toothache, Mania, Hysteria, Asthma, Bronchitis, Earache.

Parts Used

Leaves, Seeds.

Chemical Composition

The chief constituent of Henbane leaves is the alkaloid Hyoscyamine, together with smaller quantities of Atropine and Hyoscine, also known as Scopolamine. The proportion of alkaloid in the British Pharmacopoeia dried drug varies from 0.045 to 0.14 per cent.[1]

Common names

Language Common name
Kannada ಖುರಾಸಾನಿ ಓಮ Khuraasaani oma, ವಿಲಾಯತಿ ತುಳಸಿ Vilaayati tulasi
Hindi Khurasani ajwain
Malayalam NA
Tamil NA
Telugu NA
Marathi NA
Gujarathi NA
Punjabi NA
Kashmiri NA
Sanskrit Parseek yawani
English Henbane, Stinking nightshade



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









Biennial plant



Kind Shape Feature
Paripinnate Oblong Leaf Arrangementis Alternate-spiral



Type Size Color and composition Stamen More information
Unisexual 2-4cm long Pink Flowering throughout the year and In terminal and/or axillary pseudoracemes


Type Size Mass Appearance Seeds More information
Oblong pod Thinly septate, pilose, wrinkled Seeds upto 5 Fruiting throughout the year

Other features

List of Ayurvedic medicine in which the herb is used

Where to get the saplings

Mode of Propagation


How to plant/cultivate

By the walls of fields, waste ground, near buildings and in stony places from low-lying ground near the sea to lower mountain slopes. Best propagated from seeds [4]

Commonly seen growing in areas

Cultivated beds, Walls of fields, Waste ground, Stony places, Lower mountain slopes.

Photo Gallery


External Links