Sticky Blue Rod is an aromatic perennial forb with purple or violet flowers
over most of the year. It is a branched forb, 10-60 cm high. Oppositely
arranged stalkless leaves, 1-4 cm long, are oblong, acute and heart-shaped at
the base. Flowers occur either singly in leaf axils or in racemes at the end
of branches. Flowers are violet, 8 mm long, two-lipped. Upper lip broad and
erect, lower lip 3-lobed, spreading. Flowering: December-January.