Common name: Slender Celery
Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P.Wilson APNI*
Synonyms: Apium leptophyllum (Pers.) F.Muell. APNI*
Ciclospermum leptophyllum (Pers.) Sprague APNI*
Description: Erect annual herb, 15–70 cm high, glabrous.
Leaves usually 2.5–4 cm long, 3–4 times dissected; segments filiform, to 1 mm wide, glabrous; lower leaves petiolate; upper leaves sessile.
Inflorescences with umbels 1.5–2.5 cm diameter; sessile or shortly pedunculate; rays 2–4, 8–16 mm long; umbellules 8–12 mm diameter; pedicels usually 6–20, 3–7 mm long. Flowers with petals c. 0.3 mm long, white.
Fruit ovoid, 1–3 mm long, glabrous.
Flowering: Flowers throughout the year but mainly October–January
Distribution and occurrence:
Weed of gardens and roadsides and other disturbed areas, widespread.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *ST, *NWS, *CWS, *SWS, *NWP, *LHI
Other Australian states: *Qld *Vic. *S.A. *N.T.
Text by B.M. Wiecek
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.