Cucurbita maxima

Species category

Vegetable

Common name

winter squash, Hubbard squash, Queensland blue squash, banana squash, buttercup squash, Hokkaido squash, winter marrow, Atlantic giant pumpkin, mammoth pumpkin 

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

EllipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.

Size

  • Length 15 mm
  • Width 8 mm
  • Thickness 2 mm

Color

White

Texture

Surface are soft and corky

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is slightly oblique. Perimeter groove is just inside the margin.

Identification notes

Seed is a broad ovalOval:
Broadly elliptic.
with a soft, corky and wrinkled surface.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Cucurbitaceae

Valid name

Cucurbita maxima Duchesne

Synonyms

Cucurbita maxima Duchesne var. turbaniformis Alef.

 Cucurbita maxima.  Seeds with a perimeter groove that is just inside the margin. 
Cucurbita maxima. Seeds with a perimeter groove that is just inside the margin.