garden wall-rocket

Names and Synonyms

Common Names

• garden wall-rocket
• white rocket
• white wall-rocket

Scientific Names

Accepted name

Synonyms

• Raphanus erucoides
• Sisymbrium erucoides
• Brassica apula
• Crucifera erucoides
• Euzomum erucoides
• Sinapis alba var. apula
• Diplotaxis erucoides var. valentina
• Diplotaxis erucoides proles apula
• Diplotaxis erucoides subvar. valentina
• Diplotaxis virgata subvar. platystylos
• Diplotaxis virgata var. platystylos
• Diplotaxis longisiliqua
• Sinapis apula
• Sinapis erucoides
• Malcolmia arabica
• Diplotaxis erucoides var. dasycarpa
• Diplotaxis apula
• Diplotaxis hispidula
• Diplotaxis erucoides f. valentina
• Diplotaxis versicolor
• Diplotaxis valentina
• Diplotaxis ruscinonensis
• Diplotaxis erucoides subvar. hispidula
• Diplotaxis sagotii
• Diplotaxis erucoides var. hispidula
• Diplotaxis platystylos
• Diplotaxis erucoides subsp. murcica
• Diplotaxis leiocarpa
• Erucastrum erucoides

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and is classified under the class Equisetopsida and subclass Magnoliidae. It is further categorized under the order Brassicales and the family Brassicaceae. Finally, it is identified by its genus, Diplotaxis, specifically as the species Diplotaxis erucoides.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several key regions of Europe. In Northern Europe, its presence can be documented within Great Britain. Moving into Middle Europe, it is found inhabiting parts of both Austria and Germany. The species also extends into Southwestern Europe, where it grows in the Baleares. Finally, its range includes the island of Corse within the same southwestern territory.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Diplotaxis erucoides is characterized by an annual lifecycle, meaning the plant completes its entire biological progression from germination to seed production within a single growing season. Functionally, it is classified as a therophyte, a life form defined by its strategy of surviving unfavorable environmental periods as ephemeral seeds rather than through persistent vegetative structures. This developmental pattern allows the species to rapidly exploit seasonal moisture and nutrient availability before completing its reproductive cycle.

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Diplotaxis erucoides is characterized by its growth form as a non-woody herb, specifically classified as a forb. This plant is primarily terrestrial in its habitat, though it may exhibit semiaquatic or aquatic tendencies depending on environmental conditions. As a self-supporting species, it does not function as a liana or vine, nor does it act as an obligatory or facultative climber. The plant maintains a relatively low stature, with a height ranging from a minimum of 0.1 m to a maximum of 0.5 m. Furthermore, it is an independent organism, lacking any parasitic or epiphytic behavior, and grows strictly as a terrestrial entity.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.5 m

Plant height min:

0.1 m

Woodiness :

non-woody

Physiology

The physiology of Diplotaxis erucoides is characterized by a C3 photosynthetic pathway, a metabolic strategy typical of many temperate and Mediterranean plant species that optimizes carbon fixation under moderate environmental conditions. This carbon assimilation process is closely linked to its morphological adaptations for resource acquisition, specifically reflected in its leaf architecture. The plant exhibits a mean Specific Leaf Area (SLA) of 263.69 cm²/g, an indicator of its leaf mass per area that suggests a balance between photosynthetic efficiency and structural investment, allowing for effective light interception and gas exchange within its ecological niche.

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

263.69 cm²/g

Reproduction

The reproduction of Diplotaxis erucoides is characterized by the production of seeds that exhibit a specific range of mass and fruit characteristics. The seeds are remarkably small, with a measured mean mass of 0.000192 g. Within the population, individual seed masses vary slightly, ranging from a minimum of 0.00015 g to a maximum of 0.00024 g. Furthermore, the fruit associated with the reproductive cycle is classified as being dry in nature, rather than fleshy, which influences the dispersal and preservation of the seeds.

Fruit dryness :

dry

Seed mass max:

0.00024 g

Seed mass mean:

0.000192 g

Seed mass min:

0.00015 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Diplotaxis erucoides has 5 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Antioxidants, Chlorophylls, IRON, POTASSIUM, Pyrazines.

Antioxidants

1. PeerJ

Chlorophylls

1. PeerJ

IRON

1. PeerJ

POTASSIUM

1. PeerJ

Pyrazines

1. PeerJ