Polyscias sandwicensis

{{Short description|Species of tree}}

{{Speciesbox

|image = Starr 041223-2041 Reynoldsia sandwicensis.jpg

|status = LR/nt

|status_system = IUCN2.3

|status_ref = {{cite iucn |author=World Conservation Monitoring Centre |date=1998 |title=Polyscias sandwicensis |volume=1998 |page=e.T33683A9796374 |doi=10.2305/IUCN.UK.1998.RLTS.T33683A9796374.en |access-date=16 November 2021}}

|genus = Polyscias

|species = sandwicensis

|authority = (A.Gray) Lowry & G.M.Plunkett

|synonyms = Reynoldsia sandwicensis {{au|A.Gray}}

|synonyms_ref = {{ThePlantList|id=kew-463840|taxon=Polyscias sandwicensis|authority=(A.Gray) Lowry & G.M.Plunkett|access-date=31 March 2014}}

}}

Polyscias sandwicensis (formerly Reynoldsia sandwicensis), known in Hawaiian as the 'ohe makai{{PLANTS|id=RESA|taxon=Reynoldsia sandwicensis|accessdate=20 October 2015}} or {{okina}}Ohe kukuluāe{{okina}}o, is a species of flowering plant in the family Araliaceae, that is endemic to Hawaii.

It is a Hawaiian dry forest tree, adapted by being deciduous and losing its leaves during the regular summer drought.{{cite web |title=‘Ohe makai |url=https://www.waikoloadryforest.org/plants/ohe-makai/ |website=Waikoloa Dry Forest Initiative |publisher=Waikoloa Dry Forest Initiative |access-date=16 February 2025}} It reaches a height of {{convert|4.6|–|15|m|ft|abbr=on}} high with a trunk diameter of {{convert|0.5|–|0.6|m|ft|abbr=on}}.{{cite web |url=http://www.ctahr.hawaii.edu/forestry/trees/CommonTreesHI/CFT_Reynoldsia_sandwicensis.pdf |title=ʻOhe makai, Hawaiian reynoldsia |first=Elbert L. |last=Little Jr. |author2=Roger G. Skolmen |work=Common Forest Trees of Hawaii |publisher=United States Forest Service |year=1989 |access-date=2009-11-23 |archive-url=https://web.archive.org/web/20090918065452/http://www2.ctahr.hawaii.edu/forestry/trees/CommonTreesHI/CFT_Reynoldsia_sandwicensis.pdf |archive-date=2009-09-18 |url-status=dead }} It can be found at elevations of {{convert|30|-|800|m|ft|abbr=on}} on most main islands. Polyscias sandwicensis generally inhabits lowland dry forests, but is occasionally seen in coastal mesic and mixed mesic forests.{{cite web |url=http://www2.bishopmuseum.org/ethnobotanydb/resultsdetailed.asp?search=ohe_makai |title=ohe makai |work=Hawaii Ethnobotany Online Database |publisher=Bernice P. Bishop Museum |access-date=2009-11-23 |url-status=dead |archive-url=https://web.archive.org/web/20070702123432/http://www2.bishopmuseum.org/ethnobotanydb/resultsdetailed.asp?search=ohe_makai |archive-date=2007-07-02 }} It is threatened by habitat loss.