Soursob

Family: Oxalidaceae
Scientific name: Oxalis pes-caprae
Description: Plant Form: Upright perennial tuberous herb. Size: Up to 40 cm tall. Stem: Hairy, cylindrical, long leaf and flower stalks. Emerge from rhizomes. Leaves: Compound of 3 heart-shaped leaflets each about 3 cm across. Giving clover-like appearance. Fold backward in low light. Flowers: Bright yellow with 5 petals, in drooping clusters of up to 25. On stalks above the leaves. Up to 4 cm across. Open in sunlight and close in low light. Fruit and Seeds: Short capsules, rarely observed in Australia. Habitat: Grasslands, lawns, open woodlands, parks, roadsides, disturbed areas, pastures, riparian areas. Distinguishing Features: Distinguished from Finger-leaved oxalis (Oxalis flava) in having clusters of flowers, and from Winged woodsorrel (O. compressa) by having cylindrical rather than flattened leaf stalks. Weed Status: Priority Weed Weed Type: Environmental, Common, Invasive Garden Escapee Lifeform: Herbaceous

Example images for this weed