Species Guide: Urban Wildflowers

Lavender sorrel

Lavender sorrel, Belimbing pasir

Oxalis barrelieri

A short plant with leaves made up of three oval leaflets. It has pale lavender flowers with a light-yellow centre. The flowers develop into fruit pods that look like small star fruits, hence the Malay name ‘Belimbing Pasir’. Leaves and fruits have a sour taste due to vitamin C but may be poisonous.

Status: Least concern, Introduced (Central and South America)

Habit: Annual herbaceous

Cultivation: Planted by seeds or transplanting

Ecological Function: Attracts pollinators, ground cover, produces fruit for birds

Pollinators:  Large bees, possibly small flies

Soil: Loam, clay, organic soils

Moisture: Well drained soils

Shade: Partial shade, no shade