Cyanea longissima
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| ( Rock ) H.St.John |
Cyanea longissima (English name: Streambank Cyanea ) is an extinct Hawaiian species of plant from the bellflower family(Campanulaceae) that was endemic to Maui .
Cyanea longissima was described by Joseph Rock in 1911 as the variety Cyanea scabra var. Longissima . The botanist Harold St. John classified the taxon as a separate species in 1978.
description
The size of this shrub is unknown. The narrow, elongated leaves measured 27 to 45 centimeters. The racemose inflorescence consisted of 50 to 60 millimeters large white flowers . The egg-shaped orange berries were 10 to 12 millimeters in diameter. Cyanea longissima was probably a bird flower , i. H. the seeds were spread by birds and the flowers pollinated by birds ( ornithophilia ).
distribution and habitat
The habitat of Cyanea longissima were humid forests on the northern slope of Haleakalā on Maui .
die out
The reasons for the species becoming extinct are largely unknown. It was last seen in 1927. Presumably, land conversion into farmland, pigs, rats, snails and displacement by invasive plants contributed to their extinction.
literature
- Warren L. Wagner, Derral R. Herbst, SH Sohmer: Manual of the Flowering Plants of Hawai'i . University of Hawai'i Press, 1999.
- Walton Beacham: World Wildlife Fund Guide to Extinct Species of Modern Times . 1997, ISBN 0933833407