<p>Maʻo hau hele
Malvaceae (Mallow family)
Endemic to the Hawaiian Islands (Oʻahu only)
IUCN: Endangered
Oʻahu (Cultivated)
</p><p>Budding branch. Open flower seen at 
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dweickhoff/4797239047/in/photolist-8MR8XS-8iVmrt-8iYjzC-8iV734-raqW6P-8UsbEG-8UsbFJ-8koS9W-9x2eaB-8MN5Ek-8Up6U8-8MN52i-8Up77e-8MQUbY-8MN5eD-8iYyDs-8iYyQS-8MR8hY-qSYDkB-8Up7rr-8iYywQ-8iXqjr-8TBykF-8Usc1E-dL56k9-8Up7FP-d5nQQW-d5nRMA-mv1vd9-muYw9H-muZeBF-muZdFH">www.flickr.com/photos/dweickhoff/4797239047/in/photolist-...</a>
</p><p>This subspecies grows to be a small tree.
</p><p>Maʻo hau hele was planted for an ornamental use by early Hawaiians.
</p><p>Etymology
The generic name Hibiscus is derived from hibiscos, the Greek name for mallow.
The specific epithet brackenridgei is named after <a href="https://en.wikipedia.org/wiki/William_Brackenridge" class="extiw" title="w:William Brackenridge">William Dunlop Brackenridge</a> (1810-1893), Scottish-American horticulturist and superintendent of the National Botanic Garden in  Washington, D.C.
The subspecies is mokuleianus is named for Mokulēʻia, an area in the northern Waiʻanae Mountains, Oʻahu where this subspecies is found.
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<a rel="nofollow" class="external text" href="http://nativeplants.hawaii.edu/plant/view/Hibiscus_brackenridgei_mokuleianus">nativeplants.hawaii.edu/plant/view/Hibiscus_brackenridgei...</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/50823119@N08">David  Eickhoff</a> from Hawaiʻi, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dweickhoff/5112728379/">Hibiscus brackenridgei subsp. mokuleianus</a>