Weed
leafy spurge
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.
Cylindrical
Gray with brown flecks
Smooth to minutely reticulate
RapheRaphe:
A seam or ridge found on seeds.
and chalazaChalaza:
End of seed opposite the micropyle.
are prominent; hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is vertical; caruncleCaruncle:
An appendage or outgrowth of the outer integument of the seed, e.g. leafy spurge.
is present.
Seeds are well rounded and not angular. CaruncleCaruncle:
An appendage or outgrowth of the outer integument of the seed, e.g. leafy spurge., when present, covers the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).. The chalazaChalaza:
End of seed opposite the micropyle. is a well-defined circle at the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
of the seed.
State Noxious Weed: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Illinois, Iowa, Kansas, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New York, North Dakota, Ohio, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming
Federal: This species is actionable only when found in field or vegetable seed for planting; toleranceTolerance:
The amount by which a second test may differ from a first test without being attributed to an actual difference in seed quality. Tolerances are usually based on normal random variation, or sampling error.
applies, see (7 CFR 361.6(a)(2)).
Learn more on ITP's Federal Noxious Weed Disseminules tool.
Included
For more information, see ISMA fact sheet.
Euphorbiaceae
Euphorbia esula L.
