Brighamia rockii

{{Short description|Species of plant}}

{{Italic title}}

{{Speciesbox

|name=Pua {{okina}}ala

|image = Starr 040405-0204 Brighamia rockii.jpg

|status = CR

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Bruegmann, M.M. |author2=Caraway, V. |date=2003 |title=Brighamia rockii |volume=2003 |page=e.T44081A10849477 |doi=10.2305/IUCN.UK.2003.RLTS.T44081A10849477.en |access-date=16 November 2021}}

|genus = Brighamia

|species = rockii

|authority = H.St.John

}}

Brighamia rockii, known as the Molokai ohaha or Pua {{okina}}ala in Hawaiian, is a species of flowering plant in the bellflower family, Campanulaceae, that is endemic to the island of Moloka{{okina}}i in Hawaii. Pua {{okina}}ala inhabits mesic shrublands and forests on rocky cliffs from sea level to {{convert|470|m|ft|abbr=on}} on the island's northern windward coast. Associated plants include {{okina}}ōhi{{okina}}a lehua (Metrosideros polymorpha), alahe{{okina}}e (Psydrax odorata), lama (Diospyros sandwicensis), {{okina}}ūlei (Osteomeles anthyllidifolia), and naupaka (Scaevola gaudichaudii).

Pua {{okina}}ala reaches a height of {{convert|1|-|5|m|ft|abbr=on}} and has a succulent, trunk-like stem that tapers from the base. The oval-shaped leaves are {{convert|6|-|22|cm|in|abbr=on}} long and {{convert|1|-|15|cm|in|abbr=on}} wide and form a rosette on the top of the plant.{{cite web |url=http://www.centerforplantconservation.org/collection/CPC_ViewProfile.asp?CPCNum=632 |title=Brighamia rockii |work=CPC National Collection Plant Profiles |publisher=Center for Plant Conservation |date=2008-07-22 |access-date=2009-11-14 |url-status=dead |archive-url=https://web.archive.org/web/20101028213024/http://centerforplantconservation.org/Collection/CPC_ViewProfile.asp?CPCNum=632 |archive-date=2010-10-28 }} Each inflorescence contains three to eight trumpet-shaped white flowers.{{cite web |url=http://www2.hawaii.edu/~eherring/hawnprop/bri-rock.htm |title=Brighamia rockii |work=Hawaiian Native Plant Propagation Database |publisher=University of Hawaiʻi at Mānoa |access-date=2009-11-14}}