Proboscidea sp.

Species category

Weed

Common name

unicorn-plant

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 9–11 mm
  • Width 6–7 mm
  • Thickness 2–3 mm

Color

Black or white

Texture

Coarse reticulations with stipplesStipples:
Numerous small dots or specks.

Other structures

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

Identification notes

Reticulations very large and irregular.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet, Proboscidea louisianica (Mill.) Thell.

Nomenclature

Family

Pedaliaceae

Valid name

Proboscidea Schmidel

 Proboscidea  sp. Black and white true seeds with large and irregular reticulations with stipples.
Proboscidea sp. Black and white true seeds with large and irregular reticulations with stipples.