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Plant Form: Small upright shrub.
Size: Up to 1.5 m tall.
Stem: Robust, hairless and with 2-5 spines up to 2 cm long at the base of branches. Green, sometimes reddish.
Leaves: Oval shaped, up to 13 cm long, smooth edges but spiny tip, prominent red midrib. Occasionally hairy.
Flowers: In dense spike-like clusters at branch tips, yellow tubular flowers which fan out. With stamens extending out of flower.
Fruit and Seeds: Small oval shaped capsules turning from green to brown as they mature, containing one or two disk-shaped seeds.
Habitat: Open woodlands, riparian areas, roadsides, walking tracks, waste areas.
Distinguishing Features: Red midrib on leaves distinguishes from Barleria prionitis (also commonly called Barleria).