Weed
devil's beggartick
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 black speckles
Dull and scurfyScurf:
Having flakes on the surface.
Barbed awnsAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
are a continuation of the achene's outer margin.
Base is truncated. Longitudinal lines in the center of the 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.. 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. margin has some barbs.
Not listed
Not included
Asteraceae
Bidens frondosa L.
Bidens frondosa L. var. anomala Porter ex Fernald
Bidens frondosa L. var. caudata Sherff
Bidens frondosa L. var. pallida Wiegand
Bidens frondosa L. var. stenodonta Fernald & H. St. John
