Sisymbrium altissimum L., Sp. Pl. 659. 1753. S. panonicum Jacq., Icon. Pl. Rar. 1: 12, t. 123. 1786; Hook. f. & T. Anderson in Fl. Brit. India 1: 150. 1872.

Herbs, annual or biennial, 15 - 55 cm high, erect, divaricately branched above, hispid or glabrate. Basal leaves runcinate-pinnatifid, 5 - 17 x 3 - 7.5 cm, shortly petioled; upper leaves narrowly linear, 5 - 7-jugate, toothed or entire. Racemes many-flowered, up to 30 cm long in fruit. Flowers ca 5 mm across, pale yellow; pedicels ca 1 cm long in fruit, spreading or ascending. Sepals ca 5 mm long. Petals ca 1 cm long. Stamens ca 6 mm long. Fruits linear-subcylindrical, straight, 7.5 - 10 cm long, glabrous; style subelongate thick; stigma large, 2-lobed; valves elyaerved. Seeds ca 50 in each locule.

Fl. & Fr. April - July.

Distrib. India: Jammu & Kashmir.

C. & S.W. Asia and Europe.