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Pakistan | Family List | Brassicaceae | Sisymbrium

Sisymbrium brassiciforme C.A. Mey. in Ledeb., Fl. Alt. 3: 129. 1831. Schulz in Engl. & Prantl, l.c. 597; Vas. in Kom., l.c. 43; Hedge in Rech.f., l.c. 312.

Sisymbrium brassiciforme

Credit: Azmat

  • Sisymbrium columnae auct. non Jacq.
  • Sisymbrium ferganense Korsh.
  • Sisymbrium iscandericum Kom.

    Annual or biennial, 30-100 cm tall, erect, branched, subglabrous. Lower leaves lyrate, 1-2-jugate, rarely subentire, shortly petioled; terminal lobe ovate-oblong, distantly toothed; lateral lobes smaller but similar, dentate to sub-entire; upper leaves gradually becoming smaller and linear, subsessile to sessile; all leaves subfleshy. Racemes 20-50(-60)-flowered, up to 25 cm long in fruit. Flowers c. 5 mm across, yellow; pedicels 5-10 mm long in fruit, spreading horizontally, slightly thickened. Sepals 3-4 mm long. Petals (5-) 6-8 mm long, 1.5 mm broad. Stamens c. 3:5 mm long; anthers c. 1.5 mm long. Siliquae linear, subcylindrical, slightly downcurved, horizontally spreading, 50-100 mm long, 1 mm broad, glabrous; valves submembranous, 3-veined; style c. 1(4.5) mm long, thickened with depressed, capitate stigma; seeds many, c. 1 mm long, oblong, brown, finely granulate; radicle incumbent (sometimes accumbent), variable.

    Fl. Per.: May-July.

    Type: Altai, Mt. Arakul, C. A. Meyer (LE).

    Distribution: C. Asia, Tibet, Kashmir, Pakistan and Afghanistan.


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