*Oxalis pes-caprae L.

Rootstock swollen into a fleshy white tuber with numerous bulbils. Petals 15–25 mm long. Flowers drooping, 3–16 per umbel on a long erect peduncle. Leaves obcordate, 1–4 cm wide. Coast. Troublesome weed. Introd. from S. Africa. Fl. spring. Soursob