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Yucca sp.

Species category

Weed

Common name

yucca

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

D-shaped

Size

  • Length 7–11 mm
  • Width 6–9 mm
  • Thickness 1.5–2 mm

Color

Black

Texture

Rough

Other structures

The lateral shape is wedged.

Identification notes

The curved margin is the widest.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Agavaceae

Valid name

Yucca sp. L.

Yucca sp. Wedge-shaped true seed.
Yucca sp. Wedge-shaped true seed.
Yucca sp. Longitudinal and cross section of fruit, showing mesocarp and seeds. Wedge-shaped true seed. Photo byNorma Diaz, USDA APHIS PPQ
Yucca sp. Longitudinal and cross section of fruit, showing mesocarp and seeds. Wedge-shaped true seed. Photo byNorma Diaz, USDA APHIS PPQ