Costus woodsonii

{{Short description|Species of plant}}

{{Speciesbox

|image=Costus woodsonii (flower).jpg

|image_caption=Inflorescence

|image2=Costus woodsonii - Red Button Ginger at Wayanad (5).jpg

|image2_caption=Mass effect

|status=LC

|status_system=IUCN3.1

|status_ref={{cite iucn |author1=Skinner, D. |doi=10.2305/IUCN.UK.2014-1.RLTS.T56349436A56353263.en |page=e.T56349436A56353263 |title=Costus woodsonii |volume=2014 |year=2014 |access-date=31 May 2023 }}

|genus=Costus

|species=woodsonii

|authority=Maas

}}

Costus woodsonii, the red button ginger or scarlet spiral flag, is a species of flowering plant in the family Costaceae, native to Nicaragua, Costa Rica, Panama, and Colombia.{{cite POWO |id=66932-2 |title=Costus woodsonii Maas |access-date=31 May 2023 }}{{cite web |url=https://www.nparks.gov.sg/florafaunaweb/flora/1/8/1875 |title=Costus woodsonii Maas |author= |date=14 October 2021 |website=nparks.gov.sg |publisher=Flora Fauna Web |access-date=31 May 2023 }} A rhizomatous geophytic perennial, it is recommended for coastal gardens, borders, containers, and general wet, tropical garden applications. It is more widely cultivated than other species of Costus.{{cite web |last1=Skinner |first1=Dave |title=Costus woodsonii |url=https://www.gingersrus.com/DataSheet.php?PID=3695 |website=GingersRus |access-date=3 August 2024}} Costus woodsonii was first described by Paul Maas in 1972 and is named for Robert Woodson of the Missouri Botanical Garden.