<p>Kokiʻo keʻokeʻo, Oʻahu white hibiscus, Punaluʻu white hibiscus
Malvaceae
Endemic to the Hawaiian Islands
Oʻahu (Cultivated)
</p><p>My hand is used for scale, but the leaves get even larger than this! Most probably the largest leaves and flowers of all the native Hawaiian hibiscuses.
</p><p>NPH00028
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<a rel="nofollow" class="external text" href="http://nativeplants.hawaii.edu/plant/view/Hibiscus_arnottianus_punaluuensis">nativeplants.hawaii.edu/plant/view/Hibiscus_arnottianus_p...</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/50823119@N08">David  Eickhoff</a> from Pearl City, Hawaii, USA
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dweickhoff/5112737369/">Hibiscus arnottianus subsp. punaluuensis</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Tim1357" title="User:Tim1357">Tim1357</a></li></ul>