Parkinsonia aculeata

Species category

Shrub or Tree

Common name

Jerusalem thorn, Mexican palo verde, Jerusalem-thorn, retama

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 8–10 mm
  • Width 5–5.5 mm
  • Thickness 4–4.5 mm

Color

Light brown with dark brown longitudinal bands

Texture

Smooth

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is on the basalBasal:
The base of the fruit or seed opposite the apical end.
end.

Identification notes

Mottling with both longitudinal lines and small flecks.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Parkinsonia aculeata L.

 Parkinsonia aculeata.  True seeds with mottling that have both longitudinal lines and small flecks.
Parkinsonia aculeata. True seeds with mottling that have both longitudinal lines and small flecks.