Capsules grayish at maturity, pulp plae yellow, ca. 12 mm long, stipe ca. 5 mm long.
Seeds are wind-dispersed.
On the State of Hawaii noxious weed list. Smith, Clifford W. 1985. Impact of alien plants on Hawai'i's native biota. Cooperative National Park Resources Studies Unit, University of Hawaii, Manoa. Wagner, Warren L., Derral R. Herbst and S.H. Sohmer.