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Citrullus lanatus

Species category

Vegetable

Common name

watermelon

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

Compressed obovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length: 14 mm
  • Width: 8 mm
  • Thickness: 2 mm

Color

Yellow, black or mixed

Texture

Smooth

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 with lateral grooves

Identification notes

The different varieties of this species have a wide variety of sizes and colors. Most have the same general shape. The surface can be rather corky and soft in texture.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Cucurbitaceae

Valid name

Citrullus lanatus (Thunb.) Matsum. & Nakai

Citrullus lanatus. Seeds with a rather corky and soft texture. 
Citrullus lanatus. Seeds with a rather corky and soft texture.