Apium graveolens L.
An erect, aromatic, biennial plant with crisp, ribbed, hollow or solid stems to 1 m tall. The leaves are deeply lobed and have toothed or wavy edges.
Leaves:Aromatic when crushed.
Blade - Lobed. Basal leaves with 3-5 egg shaped leaflets that usually have 3 lobes. Wavy or toothed edges.
Stem leaves -
Stems:Ribbed, stringy, crisp, solid or hollow, C shaped in cross section, up to 1000 mm tall, branched near the top.
Flower head:Stalked or stalkless umbels, 30-40 mm diameter with 4-8 branches of differing lengths on the ends of the stems.
Petals - White.
Fruit:Flattened, globular, 3 mm long with 2 fruitlets. Each fruitlet has 5 whitish ribs.
Annual or biennial
Flowering times:Summer in SA.
Seed Biology and Germination:Vegetative Propagules:
Population Dynamics and Dispersal:
Spread mainly by intentional planting.
Origin and History:Europe.
Introduced and cultivated as a vegetable crop.
Distribution:NSW, SA, TAS, VIC, WA.
Naturalised in NSW, SA, VIC and WA.
Courtesy Australia's Virtual Herbarium.
Soil:Prefers fresh water, wet, swampy areas.
Widely cultivated salad vegetable.
Detrimental:Weed of wet lands.
Toxicity:May contain toxic levels on nitrate. No cases have been recorded in Australia.
Celery affected by pink rot (Sclerotinia sclerotiorum) may cause photo-sensitisation.
Management and Control:Thresholds:
Celeriac (Apium graveolens var. rapaceum)
Sea Celery (Apium prostratum)
Apium ammi = Apium leptophyllum = Cyclospermum leptophyllum
Plants of similar appearance:References:
Auld, B.A. and Medd R.W. (1992). Weeds. An illustrated botanical guide to the weeds of Australia. (Inkata Press, Melbourne). P74.
Black, J.M. (1965). Flora of South Australia. (Government Printer, Adelaide, South Australia). P663. Diagram.
Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. and Leigh, J.H. (1992). Plants of Western New South Wales. (Inkata Press, Melbourne). P540. Photo.
Everist, S.L. (1974). Poisonous Plants of Australia. (Angus and Robertson, Sydney). P717.
Hussey, B.M.J., Keighery, G.J., Cousens, R.D., Dodd, J. and Lloyd, S.G. (1997). Western Weeds. A guide to the weeds of Western Australia. (Plant Protection Society of Western Australia, Perth, Western Australia). P84-85. Photo.
Lazarides, M. and Hince, B. (1993). CSIRO handbook of economic plants of Australia. (CSIRO, Melbourne). #107.2.
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