Diplotaxis tenuifolia|wall rocket|Brassicaceae

Diplotaxis tenuifolia.Luigi Rignanese.luirig.altervista.org. (Accessed 11/2014).

Diplotaxis tenuifolia is a perennial herb from a taproot, erect 20-50 cm tall, stems branched from base, leafy up to inflorescence.

Leaves alternate, mostly basal, oblanceolate, toothed to pinnately divided, lobes narrow, toothed, waxy-pale, rather fleshy, unpleasant odor when crushed.

Flowers yellow, 4-parted, petals widest near top, narrowed to base; blooming July-Oct.

Fruit dry, linear capsules 2-parted, to 5 cm long on stalks to 3.5 cm; seeds in 2 rows on each side of the midline septum.

Wetland status: UPL.

Frequency in NYC: Very infrequent.

Origin: Europe.

Habitat: Open weedy sites, roadsides.

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Diplotaxis tenuifolia wall rocket Brassicaceae DITE*; Bx, pb (DeCandido 2001), sw; R (DeCandido 2001);