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UW-Madison botany Professor Thomas Givnish and the endangered Hawaiian lobeliad Cyanea tritomantha in a Hawaiian rain forest. Image credit: courtesy Kenneth R Wood

The Lobelia niihauensis is one of 124 species of Hawaiian lobeliads. Image credit: courtesy Kenneth R. Wood Photo date: August 2004

The lobelia Gloria montis — glory of the mountain — is one of 124 species of Hawaiian lobeliads. Many Hawaiian lobeliads are endangered due, mostly, to the effects of introduced animals such as pigs, goats and deer. Image credit: courtesy Kenneth R. Wood Photo date: August 2005

Brighamia insignis is an endangered Hawaiian bromeliad. Native to the islands of Kauai and Niihau, it grows on rocky ledges and steep sea cliffs. Its only pollinator is an extinct hawk moth. On the right - Brighamia insignis in flower. The plant, and 124 other species of Hawaiian lobeliads, has been found to have a single common ancestor that first colonized the Hawaiian archipelago about 13.5 million years ago. Image credit: courtesy Kenneth R. Wood Photo date: October 2005
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