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Deciduous, much branched shrub, 60-150 (to 250) cm in height. Main stems brown, twigs reddishbrown with scattered shiny yellowish glands, becoming dark, ascending at an angle. Young twigs downy. Roots nodulated with cluster roots; suckering habit. Buds small, ovoid, obtuse, reddish-brown, with several scales (Fl. Br. Isl.). Leaves alternate. Leaf laminae 2-6cm long, petiole 3-5mm long. Leaves oblanceolate or oblong-obovate in outline; subsessile. Base of blade narrowly wedge-shaped, tapering into the stalk. Margin coarsely toothed in upper third, entire below and undulate. Adaxial surface dull dark green with fine hairs. Abaxial side pale green with fine hairs on a prominent midrib. Conspicuous, scattered, shining yellowish resin glands on both surfaces. Glandular trichomes can be sessile or stalked. Stomata hypostomatous, anomocytic, venation camptodromous (leaf venation in which secondary veins bend forward and anastomose before reaching the margin of the leaf). Wood and leaves fragrant when bruised. [ABSTRACT FROM AUTHOR]