Weed
woolly distaff 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.
Brown with dark brown blotches
Irregular with brown blotches
HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is slightly lateral at the base. The apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
collar is wide, surrounding a flat apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.
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 not present.
State Noxious Weed: California
Not included
Asteraceae
Carthamus lanatus L.