Tropaeolum majus

Species category

Flower, Weed

Common name

nasturtium

Diagnostic characters

Planting unit

MericarpMericarp:
One-half of a two-sectioned fruit known as a schizocarp (e.g. carrot).

Shape

D-shaped 

Size

  • Length 9–9.5 mm 
  • Width 6–7 mm 
  • Thickness 3–4 mm 

Color

Light brown 

Texture

Large longitudinal wrinkles

Other structures

The unit is a fruitFruit:
A mature ovary and any associated parts.
segment.

Identification notes

On the curved side of the mericarpMericarp:
One-half of a two-sectioned fruit known as a schizocarp (e.g. carrot).
, the grooves are longitudinal. On the flat side they are less organized.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Tropaeolaceae

Valid name

Tropaeolum majus L.

 Tropaeolum majus.  Mericarps with longitudinal grooves on the curved side.
Tropaeolum majus. Mericarps with longitudinal grooves on the curved side.