Oxalis corniculata L. APNI*
Synonyms: Oxalis corniculata var. repens (Thunb.) Zucc. APNI*
Oxalis corniculata var. microphylla Hook.f. APNI*
Description: Herb with branches erect or ascending, sometimes creeping, to 30 cm long, sparsely to densely hairy, with spreading hairs; roots fibrous and branching, sometimes with a taproot.
Leaves cauline, 3-foliolate; leaflets obcordate, bilobed, sinus to two-fifth the length of leaflet; lobes slightly obovate, 4–13 mm long, 24–11 mm wide, with lobe apices rounded and 3–15 mm apart; petiole 3–6 cm long; stipules usually conspicuous; apex ± truncate.
Inflorescences 1–6-flowered. Petals 6–7 m long, yellow.
Fruit ± erect, usually on deflexed pedicels, not held above the leaves, long and usually slender-cylindrical, 8–16 mm long, 1.5–3 mm diam.; outer surface with simple retrorse hairs; seeds ribbed.
Distribution and occurrence: Cosmopolitan weed, commonly naturalized in chiefly in and around populated areas, often in gardens and parks. Probably a native of Eur.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *CWS, *NWP, *LHI
Other Australian states: *Qld *Vic. *Tas. *W.A. *S.A. *N.T.
Declared Noxious Weed
Text by B. J. Conn
Taxon concept: Flora of NSW 3 (1992)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.