Habit : An erect, perennial, often climbing, herbs, 30 - 150 cm tall, arising from the woody base.
Stem : branches terete, densely appressedlytomentose in younger parts.
Leaves : sub - sessile, alternate or fascicled or with opposite and alternate mixed, ovate - elliptic or elliptic - lanceolate or oblong, acute or mucronate at the apex, cuneate, subacute or tapering at base, entire along the margin, densely clothed with appressed white hairs on both sides; petioles 3 - 8 cm along.
Inflorescence : Spikes
Flowers : Flowers small, white or with a pinkish or golden tinge, in spikes which ar e0.5 - 3.0 cm long, globose or cylindric, white - woolly, shining and which may be solitary or fascicled in the axils of leaves or gathered into lax terminal racemes; often forming paniculate inflorescence due to suppression of upper leaves.
Fruits : Utricle 1 mm in diameter, reniform, broadly ovate, acute, thin.
Seeds : 1 mm in diameter, reniform, brownish - black, shining, smooth.
Flowering and Fruiting time : September - January.
Significance : Dry leaves and flowers are used for the treatment of bronchitis, asthma and jaundice.