Aṣṭāṅgahṛdayasaṃhitā

atha madanakalpaḥ||1||
vamane madanaṃ śreṣṭhaṃ, trivṛnmūlaṃ virecane||1||
nityamanyasya tu vyādhiviśeṣeṇa viśiṣṭatā||1||