Coleostephus multicaulis

Species category

Flower, Weed

Common name

dvärgkrage

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

Oblong

Size

  • Length: 2.5–3 mm
  • Width: 1.2–2 mm
  • Thickness: 1.2–2 mm

Color

Light brown

Texture

Large longitudinal ribs, where one rib is very large and swollen. ScurfyScurf:
Having flakes on the surface.
between the ribs.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is small at the base.

Identification notes

PappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
ring is extended laterally and is void of pappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
hairs.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Asteraceae

Valid name

Coleostephus multicaulis (Desf.) Durieu

Synonyms

Chrysanthemum multicaule Desf.

 Coleostephus multicaulis.  Achenes with a pappus ring that's extended laterally and is void of pappus hairs.
Coleostephus multicaulis. Achenes with a pappus ring that's extended laterally and is void of pappus hairs.