Sicyos angulatus

Species category

Weed

Common name

oneseed bur cucumber, bur cucumber, wall bur cucumber, sicyos anguleux, nimble-Kate, star cucumber

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 7–8 mm
  • Width 5–6 mm
  • Thickness 1.8–2 mm

Color

Dark brown

Texture

Smooth with occasional fruitFruit:
A mature ovary and any associated parts.
coat remnants. FruitFruit:
A mature ovary and any associated parts.
very rough.

Other structures

Light-colored lobes occur on the lateral sides of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
. FruitFruit:
A mature ovary and any associated parts.
has a sharp scar.

Identification notes

This species has single-seeded fruitsFruit:
A mature ovary and any associated parts.
. Either the seed or fruitFruit:
A mature ovary and any associated parts.
can be the seed unitSeed unit:
The structure usually regarded as a seed in planting practices and in commercial channels, consisting of a true seed with or without accessory structures, as defined in Section 2.6 of the AOSA Rules. See also true seed.
.

Noxious weed seed categories

State Noxious Weed: Delaware, New Jersey 

AOSA examination list

Not included

Nomenclature

Family

Cucurbitaceae

Valid name

Sicyos angulatus L.

 Sicyos angulatus . True seeds that are smooth with occasional fruit coat remnants, which are very rough.
Sicyos angulatus. True seeds that are smooth with occasional fruit coat remnants, which are very rough.