[Verbesina nodiflora L.]
(nat) Nodeweed
Leaves 2-10 cm long, 0.7-5.5 cm wide, strigose, petioles 0.5-2 cm long. Involucral bracts 6-8 mm long; rays yellow, 1-2 mm long; disk corollas ca. 3 mm long. [2n = 18, 32, 36, 38, 40.] Native to the American tropics; in Hawai‘i naturalized in relatively low elevation, disturbed areas, documented from all of the main islands except Niihau and Lanai. First collected on 0‘ahu in 1930 (Caum s.n., BISH). Pope (1929) stated that at the time it had recently been reported as growing in Hawaii; however, it was common only on 0‘ahu and Hawaii. —Plate 35.