Cyanea quercifolia

{{Short description|Extinct species of flowering plant}}

{{Speciesbox

|image =

|status = EX

|status_system = IUCN2.3

|status_ref = {{cite iucn |author=World Conservation Monitoring Centre |date=1998 |title=Cyanea quercifolia |volume=1998 |page=e.T34035A9833077 |doi=10.2305/IUCN.UK.1998.RLTS.T34035A9833077.en |access-date=12 November 2021}}

|status2 = GH

|status2_system = TNC

|status2_ref = {{cite web |title=NatureServe Explorer 2.0 |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.150099/Cyanea_quercifolia |website=explorer.natureserve.org |access-date=8 November 2022}}

|genus = Cyanea

|species = quercifolia

|authority = (Hillebr.) F.Wimmer

}}

Cyanea quercifolia, known as oakleaf cyanea, was a species of plant native to the Hawaiian island of Maui.{{Cite web|url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=34736|title=ITIS Standard Report Page: Cyanea quercifolia|website=www.itis.gov|access-date=2016-03-28}} The plant is now considered extinct, as its native habitat has been mostly destroyed, and no new individuals have been found.