Flower, Weed
Mexican zinnia
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.
Obovate
Gray or brown
Gray and shiny; brown and rough.
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 depressed in apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
margin.
A sharp awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
is on only one side of the margin wing at the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.. Some 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 pubescentPubescent:
Having hairs.
, especially at their margins.
Not listed
Not included
Asteraceae
Zinnia haageana Regel.
