L., Sp. Pl. 887 (1753).
Synonymy: Not Applicable
Common name: Stinking Roger.
Strongly aromatic annual herb to 2 m high; stems erect, unbrancbed between the base and the inflorescence, glabrous; leaves pinnate, to 10 cm long; leaflets 3-9, narrowly elliptic to lanceolate, acute, 2-8 cm long, 2-9 mm wide, finely dentate, glabrous, gland-dotted.
Capitula numerous in a dense pyramidal terminal panicle; involucral bracts 3 or 4, almost completely fused, smooth, glabrous, yellow-green, marked with interrupted streaks; ray florets 2-4; ligules obovate, 1-3 mm long, yellow; disk florets 4 or 5, greenish.
Achenes linear, 6-8 mm long, black, pubescent; pappus of 5 or 6 ciliate scales, unequal, 0.5-3 mm long, the longest one produced as a slender awn.
Image source: fig. 652 in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Cunningham et al. (1982) Plants of western New South Wales, p. 668.
A localised weed requiring abundant water in summer.
S.Aust.: EP, NL, MU, SL. W.Aust.; Qld; N.S.W.; Vic. Native to South America.
Flowering time: Feb. — April.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available