Ipomoea hederacea | SeedImages

Species category

Flower

Common name

ivyleaf 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.
with two flat sides

Size

Length 4–4.5 mm
Width 3–3.5 mm
Thickness 3–3.5 mm

Color

Grayish black

Texture

Smooth and dull

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
axis is parallel with seed axis.

Identification notes

Seed is wedge-shaped, with two flat surfaces. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is parallel with the seed axis. Surface is not rough, but smooth and not shiny.

Comments

Seeds of this species are considered noxious only as a contaminant. Check individual states for interpretations.

Noxious weed seed categories

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

AOSA examination list

Included

More information

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

Nomenclature

Family

Convolvulaceae

Valid name

Ipomoea hederacea Jacq.

Synonyms

Ipomoea barbigera Sweet
Ipomoea desertorum House
Ipomoea hederacea Jacq. var. integriuscula A. Gray
Ipomoea hirsutula auct. non Jacq. f.
Ipomoea nil auct. non (L.) Roth
Pharbitis barbigera (Sweet) G. Don
Pharbitis hederacea (Jacq.) Choisy

Ipomoea hederacea. Wedge-shaped seeds with a smooth surface.

From Left to Right: 1. Ipomoea hederacea 2. Ipomoea purpurea 3. Calystegia sepium 4. Convolvulus arvensis 5. Convolvulus equitans 6. Jacquemontia tamnifolia. Seeds with two flat surfaces.