Other Names:Carrot weed, because the leaves resemble those of carrot.
Summary:Annual hairless herb, 20-30 cm tall, with striped stems, finely divided leaves and strongly smelling of coriander.
Stem leaves:Blade - Lobed almost to the midrib with two segments and widely spreading, acute tipped, parallel sided lobes. Leaflet base tapered. Tip pointed.
Stems:200-300 mm long, branching, striped, hairless, strong foul smell,
Flower head:Umbrella of 2-3 longitudinal lines with 2-3 flowers each in leaf axils. All flowers fertile.
Flowers:Ovary - Style bent back to level of disk.
Fruit:Pod. Looks like dog balls. Very wrinkled, indented base, conical tip.
Seeds:Remains enclosed in the skull-like pod. Cream or whitish yellow with 3 darker stripes on the back. Spherical to tear shaped, 4 mm diameter. Surface dimpled, wrinkled, grooved and hairless with two holes near the beak.
Key Characters:Fruit indented, not flattened and fruitlets very wrinkled.
Detrimental:Weed of field crops.
Toxicity:Not recorded as toxic.
Legislation:Noxious weed of South Australia (Class 9) and Tasmania
Management and Control:Difficult to control.
Plants of similar appearance:Cotula.
References:Black, J.M. (1965). Flora of South Australia. (Government Printer, Adelaide, South Australia). P 536.