Sisymbrium malatyanum

Biennial herb 50–70 cm tall. Stem erect, branched below and above, hirsute with spreading hairs, trichomes 1.5–2 mm long at base. Rosette leaves not persisting. Leaves petiolate, the petioles 2–11 mm long, median leaves blade oblong in outline lyrate-pinnatisect 10–30 cm long, 2.5–11 cm wide, lateral lobes 5–6 on each side of midvein, smaller than terminal, terminal lobe triangular ovate, acute, margins entire to coarsely lobed and toothed. Uppermost stem leaves smaller than lower leaves, sessile or shortly stalked. Inflorescence elongated and lax in fruit, only lowest 2 or 3 flowers bracteate. Flowers pedicellate, flowering pedicel 3–10 mm long. Sepal oblong, spreading, caducous, glabrous, narrowly scarious at margin, 6–7 mm long, 2–2.5 mm wide. Petal pale yellow, obovate, 12–15 mm long, 4–5 mm wide, rounded at apex, cuneate at base, claw slightly shorter than limb. Stamens slightly tetradynamous. Filament erect, 3.5–5 mm long, white, anthers oblong, sagittate at base, recurved at apex after dehiscence, 4–6 mm long, yellow. Style 0.5–1.5 mm long, stigma capitates emarginated, slightly 2-lobed. Ovules 60–70 per ovary. Fruiting pedicels divaricate or rarely ascending, stout, nearly as thick as fruit, 7–15 mm long. Fruit narrowly linear, terete, 7–9 cm long and 0.7–1 mm wide, pilose, valve 3-nerved. Ovules 30–35 in each loculus. Seeds pale brown.

Endemic.