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Pakistan | Family List | Brassicaceae | Rapistrum

Rapistrum rugosum (Linn.) All., Fl. Pedem. 1:257. 1785. Boiss., l.c. 404; Busch in Kom., l.c. 472. Hedge in Davis, l.c. 273; in Rech.f., l.c. 48.

Rapistrum rugosum

Credit: Azmat

  • Myagrum rugosum L.

    nnual, erect, branched, 15-60 (-90) cm tall, ± hispid below and glaucous above. Lower leaves pinnately lobed, 3-jugate, stalked, irregularly and coarsely toothed, terminal lobe large; upper leaves smaller, lobed or simply toothed to subentire, narrowed into a stalk-like base. Racemes branched, much increasing in length in fruit. Sepals 3-4 (-4.5) mm long, 1.2 mm broad, subequal. Petals about twice as long as the sepals, light yellow with darker veins, shortly clawed. Stamens c. 4:5 mm long; pedicel short, 2-3 (-5) mm long in fruit, somewhat thickened and erect-appressed to stem; Siliculae 6-10 mm long, including ± equal upper and lower parts, hispid to glabrous; upper part globular or spherical, 1-seeded, about 3 mm. in diam. with 1-4 mm long beak or style; lower part 2-3 (-3.5) mm long, 1.5 mm broad, usually 1-3 seeded.

    Fl.Per.: April June.

    Type: Described from S. Europe.

    Distribution: Europe, N. Africa, S. Russia, Trans-Caspian region, Iraq, Iran and W. Pakistan.

    The above stray records from our area are either of cultivated plants or casuals introduced from outside. They have smaller, almost glabrous fruits (not fully mature). It is a very variable species specially with regard to fruit, and several infraspecific taxa have been recognized under it, but their taxonomic status is very doubtful due to overlapping of characters.


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