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Ranunculus abortivus

Species category

Weed

Common name

littleleaf buttercup, kidney-leaf buttercup, early woodbuttercup, smallflower buttercup, smallflower crowfoot

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

Lenticularly ovate

Size

  • Length 1.5–1.7 mm
  • Width 1.2–1.5 mm
  • Thickness 0.5–0.6 mm

Color

Yellow to orange

Texture

Moderately tuberculateTuberculate:
Having small pimple-like protuberances.

Other structures

Indented ridge on perimeter of seed

Identification notes

Seed is lenticularLenticular:
Lens-shaped, circular in outline with convex sides.
 by being convex on the two sides. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 located on a slight rise on the seed edge.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Ranunculaceae

Valid name

Ranunculus abortivus L.

Ranunculus abortivus. True seeds with an indented ridge on the perimeter.
Ranunculus abortivus. True seeds with an indented ridge on the perimeter.
Ranunculus abortivus. True seeds that are lenticular by being convex on the two sides. The hilum is located on a slight rise on the seed edge. 
Ranunculus abortivus. True seeds that are lenticular by being convex on the two sides. The hilum is located on a slight rise on the seed edge.