Pool nui, Kookoolau or Cosmosflower beggarticksAsteraceaeEndemic to the Hawaiian Islands (Kauai only)IUCN: EndangeredOahu (Cultivated)Plant habit:
www.flickr.com/photos/dweickhoff/4949297207/in/photolist-...Early Hawaiians used the leaves in hot teas and tonics. Today, all species of kookoolau can be brewed as a tonic and each are said to have distinct flavors. Regarding Bidens spp., Isabella Abbott comments that "I find that the roughly half a dozen species common in Hawaii offer two or three slightly different flavors, each a bit more subtle than commercial black tea." ("Lau Hawaii: Traditional Hawaiian Uses of Plants")
nativeplants.hawaii.edu/plant/view/Bidens_cosmoides
