Flower, Weed
golden tickseed
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.
Oblong
Black with light brown tubercles
Fine reticulations and scattered tubercles
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 longitudinally curved.
PappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
crown and basalBasal:
The base of the fruit or seed opposite the apical end.
attachment are similar.
Not listed
Not included
Asteraceae
Coreopsis tinctoria Nutt.
