L., Sp. Pl. 435 (1753).
Synonymy: Oxalis corniculata
Common name: Creeping oxalis, yellow wood-sorrel.
Herb with fibrous and branching roots, sometimes a tap root; stems erect or ascending, sometimes creeping, to 30 cm, branching, with spreading hairs; leaves cauline; petioles 3-6 cm, with spreading hairs; stipules small, connate to the petiole-base; leaflets 3, obcordate, 5-20 mm long, 5-25 mm broad, with an incision to two-fifths of their length, usually with rounded lobes, glabrous above, with a few hairs to pubescent below; peduncles axillary, not extending above the leaves, with forward-directed hairs; pedicels usually deflexed after fruiting.
Flowers 2-4 in an umbel, rarely solitary; sepals lanceolate, c. 4 mm long, with some hairs at the top to pubescent; petals yellow, c. 7 mm long.
Capsule cylindrical, 9-16 mm long, densely covered with short retrorse hairs.
||Oxalis corniculata habit, branch and leaf.
Image source: fig 387a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Grows in gardens and parks.
S.Aust.: NW, EP, SL, SE. All mainland States. Probably native to Europe but now cosmopolitan.
Flowering time: Sept. — April.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Often mowed plants, for example those from lawns, may be somewhat different in habit.
There is one specimen from the SE with stems partially with spreading hairs and partially with appressed antrorse hairs.
Not yet available