Species category

Weed

Common name

hairy cat's ear

Diagnostic characters

Identification notes

AcheneAchene:
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.
is ellipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.
with a long, narrow apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
beak that terminates in the apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
collar with a persistent pappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
. PappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
is usually absent due to a fracture of the narrow neck of the acheneAchene:
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.
. Color is brown. Texture composed of closely spaced longitudinal ribs. Ribs are composed of a series of sharp points which become larger in the upper area of the main body of the acheneAchene:
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.
, where the narrow neck begins. Scar is basalBasal:
The base of the fruit or seed opposite the apical end.
, oblique, and surrounded by a rim.

Noxious weed seed categories

Not listed

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature