Tetragonia tetragonioides

Species category

Vegetable

Common name

New Zealand spinach

Diagnostic characters

Planting unit

Multigerm seed ballSeed ball:
This is the result of the fruit becoming embedded into the flower receptacle as found in Chenopodiaceae. Seed balls with more than one fruit embedded are multigerm as in garden beets.

Shape

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 7–9 mm
  • Width 8–9 mm
  • Thickness 8–9 mm

Color

Gray-brown

Texture

GranularGranular:
Resembling or consisting of small grains or particles.

Other structures

Four to five perianth bases attached to the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
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Identification notes

New Zealand spinach produces units that are derived from an inferior ovary embedded in receptacleReceptacle:
The usually enlarged upper portion of the pedicel to which the parts of the flower are attached.
tissue. Each seed ballSeed ball:
This is the result of the fruit becoming embedded into the flower receptacle as found in Chenopodiaceae. Seed balls with more than one fruit embedded are multigerm as in garden beets.
can contain 3-8 true seedsTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.
.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Aizoaceae

Valid name

Tetragonia tetragonioides (Pall.) Kuntze

Synonyms

Tetragonia expansa Murray

 Tetragonia tetragonioides.  A multigerm with four to five perianth bases on the apex. 
Tetragonia tetragonioides. A multigerm with four to five perianth bases on the apex.