Flower, Weed
desert zinnia, spinyleaf 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.
Oblanceolate
Black with white mottling
Striate with appressedAppressed:
Pressed close or lying flat against something.
hairs
PappusPappus:
Modified calyx in Asteraceae, composed of hairs, bristles, awns, or scales. The pappus-like structure attached to milkweed seeds is termed a coma. 
of flat blades or sharp awnsAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
Disc and ray flowers may produce different types of 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..
Not listed
Not included
Asteraceae
Zinnia acerosa (DC.) A. Gray
Zinnia pumila A. Gray
