Weed
black nightshade, deadly nightshade, garden nightshade
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.
LenticularLenticular:
Lens-shaped, circular in outline with convex sides.
with hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
point
Light brown
Strong reticulum
HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus). extends outside the margin.
Seed is usually more brown than shown by some of the seeds here. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus). extends beyond the margin and is flattened as if pinched together. Surface is strongly reticulatedReticulated:
Resembling a net or network, especially having veins, fibers, or lines crossing the surface.
. The one cut away seed reveals the relationship between the embryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
and the endospermEndosperm:
Nutritive tissue originating from union of the two polar nuclei with a sperm nucleus.
.
State Noxious Weed: Arizona, Kansas, Michigan
Included
For more information, see ISMA fact sheet.
Solanaceae
Solanum nigrum L.
Solanum rubrum auct. non L.
