Ciclospermum Lag.

1 species naturalized Aust.; Qld, NSW, Vic., NT, S.A.

*Ciclospermum leptophyllum (Pers.) Sprague

Slender ascending annuals up to 70 cm high. Leaves thrice pinnatisect, glabrous, up to c. 7 cm long; segments linear-filiform, c. 0.5 mm wide. Umbels leaf-opposed with 2–4 rays; umbellules 6–20-flowered. Flowers white. Fruit 1–3 mm long. Widespread. Weed of cultivation and waste places. Introd. from America. Fl. most of the year. Slender Celery or Carrot Weed