Cheirodendron trigynum

{{short description|Species of plant}}

{{Speciesbox

|image = Starr 040522-0024 Cheirodendron trigynum.jpg

|genus = Cheirodendron

|species = trigynum

|authority = (Gaudich.) Heller

}}

Cheirodendron trigynum, also known as {{okina}}Ōlapa or common cheirodendron, is a species of flowering plant in the ginseng family, Araliaceae, that is endemic to Hawaii. It is a medium-sized tree, reaching a height of {{convert|12|–|15|m|ft|abbr=on}} and a trunk diameter of {{convert|0.6|m|ft|abbr=on}}.{{cite web |url=http://www.ctahr.hawaii.edu/forestry/trees/CommonTreesHI/CFT_Cheirodendron_trigynum.pdf |title=ʻŌlapa, common cheirodendron |first=Elbert L. |last=Little Jr. |author2=Roger G. Skolmen |publisher=United States Forest Service |year=1989 |access-date=2009-11-19 |archive-url=https://web.archive.org/web/20100610004204/http://www2.ctahr.hawaii.edu/forestry/trees/CommonTreesHI/CFT_Cheirodendron_trigynum.pdf |archive-date=2010-06-10 |url-status=dead }} {{okina}}Ōlapa inhabits mixed mesic and wet forests at elevations of {{convert|310|–|2190|m|ft|abbr=on}} on all main islands, where it is an abundant understory tree.{{cite web |url=http://www.botany.hawaii.edu/faculty/bridges/bigisland/species/chetri.htm |title=Cheirodendron trigynum (Gaud.) A. Heller |work=Plants of Hawaii Volcanoes National Park |publisher=University of Hawaii |accessdate=2009-11-18}}