Synonyms: Adhatoda zeylanica Medic. Syn. A. vasica Nees, Justicia adhatoda
Common Name: Malabarnut, Vasaka
Seed collection period: Feb- May
Seed longevity: 6-12 months
An evergreen, gregarious, stiff, perennial, shrub, 1.2-6.0 m in height. Leaves elliptic-lanceolate or ovate lanceolate, entire, 5-30 cm long, hairy, light green above, dark below, leathery; flowers large, white with red- or yellow-barred throats, in spikes with large bracts; capsules clavate, longitudinally channelled, 1.9-2.2 cm x 0.8 cm; seeds globular.