Family: Brassicaceae
Diplotaxis muralis
Citation:
DC., Reg. Veg. Syst. Nat. 2:634 (1821) var. muralis.
Synonymy: Sisymbrium murale L., Sp. Pl. 658 (1753); Brassica muralis (L.)Hudson, Fl. Angl. 1:290 (1778).
, Diplotaxis muralis Common name: Wall rocket, dog weed.
Description:
Herb, annual or biennial, erect to ascending, 10-60 cm tall, with simple or branched flowering scapes, sparsely hairy towards the base; hairs simple, stiff; leaves mostly radical, very variable, toothed or with triangular lobes, petiolate, foetid when crushed.
Sepals 3-4.5 mm long, half-spreading; petals 4-9 mm long, abruptly clawed, lemon-yellow.
Siliqua to 4 cm long, 1-3 mm wide, spreading, on pedicels 4-20 mm long; beak seedless, narrow-conical, c. 2 mm long; seeds ovoid, c. 1 mm long.
Published illustration:
Orchard (1946) J. Dept Agric. S. Aust. 50:180; Hewson (1982) Fl. Aust. 8:fig. 47A, B.
Distribution:
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A common weed of disturbed soils.
S.Aust.: NU, FR, EA, EP, NL, MU, YP, SL, KI, SE. W.Aust.; N.S.W.; Vic.; Tas. Native to the Mediterranean region.
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Conservation status:
naturalised
Flowering time: especially Sept. — March.
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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
Taxonomic notes:
D. muralis var. caulescens Kittel (= D. muralis var. babingtonii Syme ex Marquand) does not occur in Australia.
Author:
Not yet available
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