ITP Logo

Calystegia sepium

Species category

Weed

Common name

hedge false bindweed

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: 4 mm
  • Width: 4 mm
  • Thickness: 4 mm

Color

Dark gray

Texture

Smooth

Other structures

Usually two flat surfaces adjacent to each other

Identification notes

The seeds are usually borne three to four in a podPod:
A dehiscent fruit produced by leguminous plants (beans, peas). Also known as a legume.
. The pressure of the seeds against each other accounts for the flat surfaces. The surface of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is not parallel to the longitudinal axis of the seed.

Noxious weed seed categories

State Noxious Weed: Alabama, Arkansas, Georgia, Hawaii, Kansas, Louisiana, Michigan, Mississippi, Missouri, New Jersey, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Washington, West Virginia

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Convolvulaceae

Valid name

Calystegia sepium (L.) R. Br.

Calystegia sepium. Dark gray seeds with two flat surfaces adjacent to each other. 
Calystegia sepium. Dark gray seeds with two flat surfaces adjacent to each other. 
From Left to Right: 1. Convolvulus equitans 2. Calystegia sepium 3. Convolvulus arvensis . Smooth seeds.
From Left to Right: 1. Convolvulus equitans 2. Calystegia sepium 3. Convolvulus arvensis. Smooth seeds.
From Left to Right: 1. Ipomea hederacea 2. Ipomea purpurea 3. Calystegia sepium 4. Convolvulus arvensis 5. Convolvulus equitans 6. Jacquemontia tamnifolia . Seeds with two flat surfaces adjacent to each other.
From Left to Right: 1. Ipomea hederacea 2. Ipomea purpurea 3. Calystegia sepium 4. Convolvulus arvensis 5. Convolvulus equitans 6. Jacquemontia tamnifolia. Seeds with two flat surfaces adjacent to each other.