Sisymbrium irio – London Rocket

Sisymbrium irio - London Rocket, Londonrocket, Rocket Mustard, Rocketmustard

Sisymbrium irio - London Rocket, Londonrocket, Rocket Mustard, Rocketmustard

Plant Name

Scientific Name: Sisymbrium irio

Synonym: Norta irio

Common Names: London Rocket, Londonrocket, Rocket Mustard, Rocketmustard

Plant Characteristics

Duration: Annual

Growth Habit: Herb/Forb

Arizona Native Status: Introduced. This naturalized weed is native to Europe.

Habitat: Desert, Upland, Riparian. It is most common in riparian areas, fields, drainage ditches, and in vacant lots.

Flower Color: Yellow

Flowering Season: Winter, Spring

Height: To 3 feet (91 cm) tall

Description: The flowers are 1/4 inch (6 mm) wide and have 4 tiny, oblong petals. The older flower clusters are surrounded by a ring of long, slender seedpods that flare outward and resemble exploding fireworks. The leaves are green, mainly basal, larger near the base of the plant, triangular in shape, and pinnately lobed.

Special Characteristics

Edible – The flowers, young leaves, and seeds are all edible, but they are hot and pungent and so should be used sparingly.

Classification

Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Dilleniidae
Order: Capparales
Family: Brassicaceae – Mustard family
Genus: Sisymbrium L. – hedgemustard
Species: Sisymbrium irio L. – London rocket

More About This Plant

Arizona County Distribution Map