Plagiorhegma

{{Short description|Genus of plants}}

{{Speciesbox

| image = Plagiorhegma dubium IMG 6495.jpg

| image_caption =

| genus = Plagiorhegma

| parent_authority = Maxim.

| species = dubium

| authority = Maxim.

}}

Plagiorhegma is a monotypic genus of flowering plants belonging to the family Berberidaceae. The only species is Plagiorhegma dubium,{{cite web |title=Plagiorhegma Maxim. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:3965-1 |website=Plants of the World Online |access-date=27 May 2021 |language=en}} the Asian twinleaf.{{cite book | url = https://books.google.com/books?id=zIOvJSJs-IkC&q=symphysia+growing+together&pg=PA2610| page = 1338 | author = Umberto Quattrocchi | year = 2000 | publisher = CRC Press | isbn = 978-0-8493-2673-8 | title = CRC World Dictionary of Plant Names }}{{cite book|author=Ken Druse|title=The New Shade Garden: Creating a Lush Oasis in the Age of Climate Change|url=https://books.google.com/books?id=lhDwBwAAQBAJ&pg=PT344|date=2015|publisher=Abrams|isbn=978-1-61312-604-2|page=80}}

Its native range is Russian Far East to Korea.