Flora of the Hawaiian Islands
Dicotyledon Literature for Adenostemma viscosum
Wagner et al., 1990, 1999; Lorence & Wagner, 2020.
   Asteraceae -- The Sunflower Family Bibliography
      Adenostemma viscosum
General Information
DistributionWidespread from China to Malesia, Australia, tropical Africa, Polynesia, and Micronesia.In the Hawaiian Islands, indigenous to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Click here for detailed USGS map by Jonathan Price
Perennial herb, 5‒10 dm tall; stems erect, often red tinged, glandular pubescent with purplish hairs.
Leaves petiolate; blade ovate to rhombic, 5‒15(‒20) cm long, 1.5‒7(‒8) cm wide, glabrous, margin coarsely serrate with gland tipped teeth, base cuneate to attenuate; petiole red tinged, about ½‒⅓ as long as blade.
Heads ca. 5 mm in diameter; involucral bracts linear spatulate, 4‒5 mm long, margin ciliate; disk corollas white, 3.5‒4 mm long.
Achenes brown, warty, 4‒5 mm long.
2n = 20.
Nancy Khan