Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P.Wilson

Slender Celery

Bot. Porto Rico 6: 52 (1925) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Slender herb to 70 cm high. Leaves 2.5–4(–10) cm long, oblong-ovate in outline, 3–4-pinnate or ternately dissected; segments filiform, 0.5–1 mm wide; lower leaves petiolate, upper leaves sessile. Umbels 1.5–2.5 cm diam., sessile to shortly pedunculate; rays 2–5, 8–24 mm long; umbellules 8–12 mm diam., usually 6–20-flowered; bracts and bracteoles absent; pedicels 3–7 mm long. Petals white, c. 0.3 mm long. Fruit 1–3 mm long. Flowers spring and summer.

*CVU, *EGL, *EGU, *GipP, *NIS, *OtP, *VRiv, *VVP. Also naturalised WA, NT, SA, Qld, NSW, ACT, Tas  . A sporadic weed of moist lowland areas, mostly in the east of the State, as well as occasionally a weed in Melbourne (e.g. Royal Botanic Gardens), with isolated western occurrences near Warrnambool.

Created by: Neville Walsh, 2016-01-13
Updated by: Val Stajsic, 2018-10-25
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Distribution map


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Cyclospermum leptophyllum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Cyclospermum leptophyllum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Gippsland Plain present naturalised
Otway Plain present introduced
Central Victorian Uplands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present naturalised

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales
Australian Capital Territory