Chilopsis linearis

Species category

Flower, Shrub or Tree, Weed

Common name

desert willow

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

OvalOval:
Broadly elliptic.

Size

  • Length: 8–9 mm
  • Width: 2.2–3.2 mm
  • Thickness: 1–1.2 mm

Color

Brown

Texture

Several longitudinal lines with some converging to a point on the margin.

Other structures

Long, silky hairs on both ends of the ovalOval:
Broadly elliptic.

Identification notes

Seeds and hairs are compressed and flat.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Bignoniaceae

Valid name

Chilopsis linearis (Cav.) Sweet

 Chilopsis linearis.  Seeds with long, silky hairs on both ends of the oval.
Chilopsis linearis. Seeds with long, silky hairs on both ends of the oval.
 Chilopsis linearis.  Hilum. Photo by Norma Diaz, USDA-APHIS-PPQ.
Chilopsis linearis. Hilum. Photo by Norma Diaz, USDA-APHIS-PPQ.