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Lablab purpureus

Species category

Flower, Weed

Common name

hyacinthbean

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

OvalOval:
Broadly elliptic.

Size

  • Length 10–11 mm
  • Width 8–8.5 mm
  • Thickness 3–5 mm

Color

Black and brown mottled

Texture

Smooth

Other structures

Large hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 on the margin

Identification notes

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is covered with white spongy tissue.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Lablab purpureus (L.) Sweet

Lablab purpureus. The seed hilum is covered with white spongy tissue. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences, 2005.
Lablab purpureus. The seed hilum is covered with white spongy tissue. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences, 2005.
Lablab purpureus . The seed hilum is covered with white spongy tissue. Photo courtesy of USDA-APHIS-PPQ.
Lablab purpureus. The seed hilum is covered with white spongy tissue. Photo courtesy of USDA-APHIS-PPQ.