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

Common name(s): cat's ear, gosmore, hairy cat's ear
General Information
DistributionNative to Eurasia.In the Hawaiian Islands, naturalized on Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.

Fibrous-rooted perennial herbs 1.5-6 dm tall; stems usually branched or unbranched in small plants, usually hispid.
Leaves oblanceolate, 3-35 cm long, 0.5-7 cm wide, usually densely hispid, toothed or pinnatifid.
Involucre 10-15 mm high at anthesis, enlarging up to ca. 26 mm high in fruit; rays conspicuously exceeding the involucre.
Achenes all with a long slender beak, sometimes the outermost short-beaked.
2n = 8, 28