Geranium caespitosum

Species category

Flower, Weed

Common name

pineywoods geranium, purple cluster geranium, tufted geranium

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

Cylindrical

Size

  • Length 2.5–3 mm 
  • Width 1.4–1.6 mm 
  • Thickness 1.4–1.6 mm 

Color

Black or brown

Texture

Strong rectangular reticulations in longitudinal rows

Other structures

Bases of reticulations are minutely stippled.

Identification notes

Surface sometimes covered with scurfyScurf:
Having flakes on the surface.
materials.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet, Geranium spp.

Nomenclature

Family

Geraniaceae

Valid name

Geranium caespitosum James

 Geranium caespitosum.  Seeds with bases of reticulations that are minutely stippled. 
Geranium caespitosum. Seeds with bases of reticulations that are minutely stippled.