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Barbarea vulgaris

Species category

Weed

Common name

garden yellowrocket

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

OvalOval:
Broadly elliptic.
 to rectangular

Size

  • Length: 1.5 mm
  • Width: 1 mm
  • Thickness: 0.75 mm

Color

Bronze

Texture

Uniformly reticulum

Other structures

The hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is located at the basalBasal:
The base of the fruit or seed opposite the apical end.
 end.

Identification notes

Seeds are similar to Barbarea verna but significantly smaller in size, and the reticulum is less developed.

Noxious weed seed categories

State Noxious Weed: Connecticut, Indiana, Maine, Michigan, New Hampshire

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet, Barbarea spp.

Nomenclature

Family

Brassicaceae

Valid name

Barbarea vulgaris W.T. Aiton

Synonyms

Barbarea arcuata (Opiz ex J. Presl & C. Presl) Rchb.
Barbarea stricta auct. non Andrz.
Barbarea vulgaris W.T. Aiton var. arcuata (Opiz ex J. Presl & C. Presl) Fr.
Barbarea vulgaris W.T. Aiton var. brachycarpa Rouy & Foucaud
Barbarea vulgaris W.T. Aiton var. longisiliquosa Carion
Barbarea vulgaris W.T. Aiton var. sylvestris Fr. Campe barbarea (L.) W. Wight ex Piper
Campe stricta auct. non (Andrz.) W. Wight ex Piper

From Left to Right: 1. Barbarea vulgaris 2. Barbarea verna.  
From Left to Right: 1. Barbarea vulgaris 2. Barbarea verna. 
Barbarea vulgaris. Small, bronze seeds with a hilum at the basal end.
Barbarea vulgaris. Small, bronze seeds with a hilum at the basal end.
Barbarea vulgaris. Seeds with a uniform reticulum.
Barbarea vulgaris. Seeds with a uniform reticulum.