Weed
Italian plumeless thistle
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.
ObovateObovate:
Inverted egg shaped with apical end the broadest.
Light brown with dark brown longitudinal lines
Faint, transverseTransverse:
Set crosswise, crossing or at right angles.
wavy lines
Large stylarStylar:
The end of the fruit or seed that contains the style or the apical end.
lobe and brown collar
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.
of this species are of two types: those from disc flowers and those from ray flowers. The diagnostic characteristics are for disc 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.
. Ray 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.
are grayish brown with dark flecks, dull textured and faintly pebbled.
State Noxious Weed: California, Delaware, Hawaii, Maryland, Tennessee, Oregon, West Virginia, Virginia
Not included
Asteraceae
Carduus pycnocephalus L.