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Electronic Flora of South Australia species Fact Sheet

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.

image of FSA1_Descurainia_sop.jpg Descurainia sophia
Image source: fig 213a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Ross-Craig (1949) Drawings Brit. Pl. 3:pl. 42.

Distribution:  Cosmopolitan weed; grows in disturbed areas of human settlement.

S.Aust.: SL.   N.S.W.   Native to Eurasia and North Africa.

Conservation status: naturalised

Flowering time: Sept. (1 record).


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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