Diplotaxis tenuifolia

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Diplotaxis tenuifolia

Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Brassicales
Family: Brassicaceae
Genus: Diplotaxis
Species: D. tenuifolia
Binomial name
Diplotaxis tenuifolia
(L.) DC.
Synonyms

Sisymbrium tenuifolium

Diplotaxis tenuifolia is a species of flowering plant in the mustard family known by the common name perennial wall-rocket. This plant is native to Europe and western Asia but it can be found throughout much of the temperate world where it has naturalized. This is an erect mustard-like plant with branching stems that may exceed half a meter in height. It grows in clumps on the ground in a variety of habitats and is a common weed of roadsides and disturbed areas. It has long leaves which may be lobed or not. The foliage is aromatic when crushed. Atop the branches of the stem are bright yellow flowers with four rounded petals each about a centimeter long. The fruit is a straight, flat silique up to five centimeters long.

Diplotaxis tenuifolia seeds are sold as wild rocket, to grow as a salad leaf. This can lead to confusion with arugula (Eruca sativa).

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