Family: Brassicaceae
Descurainia sophia
Citation:
Webb ex Prantl, Natfürl. Pflanzenfam. 3, 2:192 (1892).
Synonymy: Sisymbrium sophia L., Sp. Pl. 659 (1753).
Common name: Flixweed.
Description:
Annual or biennial; stems slender, erect, 15-100 cm tall, hairy at least basally with stellate hairs; leaves bi- or tripinnatisect, with 6-9 pairs of primary pinnae, the segments linear.
Inflorescence a dense raceme; sepals 2-2.5 mm long; petals 2-2.5 mm long, equal to or shorter than the sepals, pale-yellow; stamens exceeding the sepals; stigma subsessile.
Siliqua linear, 6-44 mm long, 0.5-1 mm wide, terete, curved; valves somewhat tuberculate, reticulately veined; pedicels slender, erect to spreading, 5-50 mm long; seeds ovoid, 1-1.5 mm long.
| Descurainia sophia
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Image source: fig 213a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
Ross-Craig (1949) Drawings Brit. Pl. 3:pl. 42.
Distribution:
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Cosmopolitan weed; grows in disturbed areas of human settlement.
S.Aust.: SL. N.S.W. Native to Eurasia and North Africa.
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Conservation status:
naturalised
Flowering time: Sept. (1 record).
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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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