Yellow Wood-sorrel

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©Photo: (CC BY 2.5 AU) Chris Lindorff via natureshare.org.au

Oxalis corniculata

Introduced herb to 30 cm. Stems erect, upright or sometimes creeping, sparsely or densely covered with spreading hairs pointing upwards. Taproot rarely present.

Details
Flora Type
Herbs
Other Common Names
Creeping Oxalis
Distinctive Features

Stems have spreading hairs, upward-pointing (antrose) hairs on stems, and leaf margins are hairy. Flower stems bend in the middle so fruits aren't above the leaves.
Biology

Perenial. Mainly distrurbed situations in urban areas.
Native Status
Native
Flowering Time

Sep-Mar
Taxonomy
Phylum
Tracheophyta (Vascular Plants)
Class
Magnoliopsida (Flowering Plants)
Order
Oxalidales
Family
Oxalidaceae
Genus
Oxalis
Species
corniculata

Source: Atlas of Living Australia

From the Greek oxys = acid, sour, alis = saltiness, a reference to the pungent acid taste of the foliage.

Interesting Facts
Similar Species

This introduced plant from the Western Pacific is much larger in its parts than the native species.
Native Status
Native