Species category

Weed

Common name

stinking chamomile

Diagnostic characters

Identification notes

AchenesAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
oblong to oblanceolate, round in cross-section; ribbed, ribs with tubercles. ApexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
with a slightly depressed smooth ring around the style base; style base cylindrical; scar basalBasal:
The base of the fruit or seed opposite the apical end.
to oblique. PappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
none.

Noxious weed seed categories

State Noxious Weed: Nevada

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature