ITP Logo

Ipomoea nil

Species category

Flower, Weed

Common name

whiteedge morning-glory

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.
 to ovateOvate:
Egg-shaped with basal end the broadest.

Size

  • Length 4–5 mm 
  • Width 3.5–4.5 mm 
  • Thickness 3.5–4 mm 

Color

Black mottled.

Texture

Rough

Other structures

Basal hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 axis is not parallel to seed axis. Longitudinal rib extends from the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 to the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.

Identification notes

DorsalDorsal:
Upper side or back of a seed or fruit.
 view shows two flat sides separated by the rib. VentralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
side is rounded.

Noxious weed seed categories

State Noxious Weed: Arizona, Arkansas, Kansas, Louisiana, Minnesota, Mississippi, Nebraska, New Mexico, North Carolina, Oklahoma, Texas 

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet, Ipomoea spp.

Nomenclature

Family

Convolvulaceae

Valid name

Ipomoea nil (L.) Roth

Synonyms

Convolvulus hederaceus L.
Convolvulus nil L.
Ipomoea hederacea auct. non Jacq.
Pharbitis nil (L.) Choisy

Ipomoea nil. Seeds with a basal hilum axis that is not parallel to the axis. 
Ipomoea nil. Seeds with a basal hilum axis that is not parallel to the axis.