Flora of the Hawaiian Islands
Dicotyledon Literature for Anthemis cotula
Wagner et al., 1990, 1999.
   Asteraceae -- The Sunflower Family Bibliography
      Anthemis cotula

Common name(s): chamomile, dog fennel, foetid chamomile, mayweed
General Information
DistributionNative to Europe. In the Hawaiian Islands, naturalized on Kaua`i, Lana`i, Maui, Hawai`i.

Malodorous, taprooted annual herbs 1-6 dm tall.
Leaves 2-3 times pinnatifid, the divisions linear, fern-like, 2-6 cm long, 0.5-2 cm wide.
Heads terminal and solitary on the branches, which are naked ca. 1/3 their length, 12-30 mm in diameter; involucre ca. 3 mm high, sparsely villous; receptacle chaffy toward middle; ray florets 10-16 per head, sterile, rays white, 5-14 mm long; disk florets numerous, perfect, corollas greenish yellow; pappus absent.
Achenes cylindrical, ribless or weakly ca. 10-ribbed, glandular tuberculate.
2n = 18