Flora of the Hawaiian Islands
Dicotyledon Literature for Crassocephalum crepidioides
Wagner et al., 1990, 1999; Lorence & Wagner, 2020.
   Asteraceae -- The Sunflower Family Bibliography
      Crassocephalum crepidioides
General Information
DistributionNative to tropical Africa, widely naturalized throughout the Old World.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Annual herb, 3‒5(‒15) dm tall; stem unbranched or branched above, distal stem and inflorescence strigillose, often densely so.
Leaves elliptic to oblanceolate or ovate, 5‒18 cm long, 1‒6(‒10) cm wide, pinnately lobed with a large terminal lobe to subentire, margin coarsely and irregularly dentate.
Heads with involucral bracts 8‒10 mm long; florets red to reddish orange; pappus white, ca. 12 mm long.
Achenes reddish brown, ca. 2 mm long, sparsely puberulent between the ribs.
2n = 40.
Nancy Khan