Castilleja sp.

Species category

Flower

Common name

Indian paintbrush, paintbrush, painted-cup

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.
to irregular ellipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.

Size

  • Length: 1.3–2 mm
  • Width: 0.5–1 mm
  • Thickness: 0.5–1 mm

Color

Yellow outer coat and brown inner seed

Texture

GranularGranular:
Resembling or consisting of small grains or particles.
texture of 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.
, honeycomb texture of pericarpPericarp:
Fruit wall; derived from the ovary wall.

Other structures

Loose netted pericarpPericarp:
Fruit wall; derived from the ovary wall.
covers the 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.
.

Identification notes

Castilleja 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.
are irregular in shape.  The outer covering (presumed to be the fruitFruit:
A mature ovary and any associated parts.
coat) has a very unique honeycomb or netted texture.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Scrophulariaceae

Valid name

Castilleja Mutis ex L. f.

 Castilleja  sp. Achenes with a honeycomb texture on the outer covering.
Castilleja sp. Achenes with a honeycomb texture on the outer covering.
 Castilleja  sp. Achenes with a honeycomb texture on the outer covering.
Castilleja sp. Achenes with a honeycomb texture on the outer covering.