Chinese burr
Erect Shrub with Hariy stems, stellate hairs mixed with simple hairs. Leaves 2.5-7 x 2.5-6 cm, generally rhomboid-ovate, base rounded or cordate, margins irregularly serrate, apex acute or acuminate, stellate-pubescent to glabrescent; basal ones palmately 3-lobed; petioles up to 4 cm long; stipules 3-4 mm long, subulate. Flowers in terminal or leaf-opposed cymes, 5-6 mm across, shortly pedicellate. Sepals 4-5 mm long, lanceolate, hairy without. Petals yellow, 4-5 mm long, oblong-obovate. Stamens 8-15. Ovary c. 1.5 mm long, ovoid, setose. Capsules 4-5 mm across, subglobose, stellate hairy outside, setose; setae c. 2 mm long, hooked at tip.
Sometimes considered native to Australia, but now largely beleieved to be widely naturalised in the northern and eastern parts fo the country (i.e. the northern parts of the Northern Territory, northern and eastern Queensland, and north-eastern New South Wales). Also naturalised on Norfolk Island.
Erect, much-branched undershrub
