Hesperis matronalis

Species category

Flower

Common name

dames rocket, dames violet, mother-of-the-evening

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.

Size

  • Length 1.8–2.5 mm 
  • Width 1–1.3 mm 
  • Thickness 1–1.3 mm 

Color

Dark brown 

Texture

ScurfyScurf:
Having flakes on the surface.
and covered with uniformly spaced tubercules

Other structures

Short embryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
is 0.5 mm long.

Identification notes

Seed broad throughout its length. Surface with irregular humps.

Noxious weed seed categories

State Noxious Weed: Colorado, Utah

AOSA examination list

Not included

Nomenclature

Family

Brassicaceae

Valid name

Hesperis matronalis L.

 Hesperis matronalis.  Seeds are scurfy and covered with uniformly spaced tubercules and irregular humps. 
Hesperis matronalis. Seeds are scurfy and covered with uniformly spaced tubercules and irregular humps. 
 Hesperis matronalis.  Seeds are scurfy and covered with uniformly spaced tubercules. 
Hesperis matronalis. Seeds are scurfy and covered with uniformly spaced tubercules.