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Thalictrum dasycarpum

Species category

Weed

Common name

purple meadowrue

Diagnostic characters

Planting unit

AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.

Shape

S-shaped

Size

  • Length 6–6.3 mm
  • Width 2–2.5 mm
  • Thickness 2–2.5 mm

Color

Brown

Texture

Rough with longitudinal ribs

Other structures

The distal ends of the acheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
 curve in opposite directions.

Identification notes

Sometimes the achenesAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
 may appear to be winged.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Ranunculaceae

Valid name

Thalictrum dasycarpum Fisch. & Avé-Lall.

Synonyms

Thalictrum dasycarpum Fisch. & Avé-Lall. var. hypoglaucum (Rydb.) B. Boivin
Thalictrum hypoglaucum Rydb

Thalictrum dasycarpum. Achenes with the distal ends that curve in the opposite direction in a distinct S-shape.
Thalictrum dasycarpum. Achenes with the distal ends that curve in the opposite direction in a distinct S-shape.