Sanskrit Name: Meda
Identification No : SDACH/HG/197
Botanical Name: Polygonatum verticillatum
Family Name: Asparagaceae
Vernacular Names:
- Hindi: Meda
- Marathi: Meda
- Nepali: Meda
Classification:
- Bhav Prakash: Haritakyadi varga
Habitat & Distribution:
Found in temperate to alpine regions of the Himalayas between 2,000–4,000 m in states like Uttarakhand, Himachal Pradesh, and Sikkim. Also found in parts of Nepal and Bhutan.
Morphology:
- Fritilaria roylei is perennial, glabrous and bulbous herb, 15-60 cm high and have mottled stem. The leaves are opposite or whorled, linear-lanceolate, flowers are solitary, yellowish green to brownish-purple with chequered pattern in yellowish green or dull-purple.
Varieties:
- Polygonatum verticillatum is a related species sometimes used interchangeably.
Substitute/Adulterant:
- Polygonatum verticillatum,
Phytochemicals:
- Steroidal saponins
- Flavonoids
- Polysaccharides
- Alkaloids
- Glycosides
Rasapanchaka:
- Rasa: Madhura
- Guna: Guru, Snigdha
- Virya: Sheeta
- Vipaka: Madhura
- Prabhava: Jeevaniya (life-promoting)
- Dosha Karma: Tridosha hara (especially Vata-Pitta shamak)
Karma (Rogaghnata):
- Rasayana
- Balya
- Vrishya
- Jeevaniya
- Medhya
Amayika Prayoga/Therapeutic Uses:
Internal Uses:
- General debility: Used as tonic.
- Sexual weakness: As an aphrodisiac.
- Tuberculosis & respiratory disorders: As Rasayana.
- Menstrual irregularities: Helps in balancing hormones.
Part Used:
- Rhizome
Dose:
- Churna: 3–6 g
- Kashayam: 50–100 ml
- Extract: 250–500 mg (standardized)
Yoga/Formulations:
- Chyawanprash
- Meda-Mahameda yoga
- Jeevaniya Kashaya
- Balya Rasayana combinations
IUCN Status:
- Critically Endangered
Research Updates
- Study confirmed adaptogenic and immunomodulatory effects of Polygonatum cirrhifolium rhizome extract in animal models.
- Identified strong antioxidant and anti-inflammatory properties, suggesting use in age-related and inflammatory disorders.
- Rhizome extract demonstrated neuroprotective effects in Alzheimer’s-induced rat models, validating its traditional Medhya (nootropic) use.