Family: Brassicaceae
Sisymbrium irio
Citation:
L., Sp. Pl. 659 (1753).
Synonymy: Not Applicable Common name: London rocket.
Description:
Annual or biennial herbs, erect, 25-60 cm tall, glabrous or hairy with long curved hairs; lower leaves deeply sinuate-pinnatifid with 2-6 pairs of lobes, dentate; upper leaves reducing.
Sepals 2.5-3 mm long; petals 2.5-3.5 (rarely to 6) mm long, pale-yellow.
Siliqua curved, torulose, 2.5-6.5 cm long, 0.5-1 mm wide; valves thin-walled; pedicels slender, spreading, 6-10 mm long; seeds ovoid, 1-1.5 mm long.
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Image source: fig 221a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
Leigh & Mulham (1965) Pastoral plants of the Riverine Plain, p. 83; Hewson (1982) Fl. Aust. 8:fig. 57I; Cunningham et al. (1982) Plants of western New South Wales, p. 334.
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Distribution:
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A weed of fertile soils in dry to arid regions.
S.Aust.: LE, NU, GT, FR, EA, EP, NL, MU, YP, SL, SE. W. Aust.; N.T.; Qld; N.S.W.; Vic. Probably native to the Mediterranean.
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Conservation status:
naturalised
Flowering time: mainly Sept. — Nov.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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