Roscoea megalantha
{{Short description|Indian plant in ginger family}}
{{Speciesbox
| image =
| genus = Roscoea
| species = megalantha
| authority = Tosh.Yoshida & Yangzom{{IPNI|taxon=Roscoea megalantha |authority=Tosh.Yoshida & Yangzom|id=77167162-1|access-date=2024-08-31|mode=cs1}}
| synonyms = Roscoea purpurea f. alba Cowley
| synonyms_ref = {{Cite POWO|title=Roscoea megalantha Tosh.Yoshida & Yangzom|id=77167162-1|access-date=2024-08-31|mode=cs1}}
}}
Roscoea megalantha is a species of flowering plant in the ginger family Zingiberaceae, native to Bhutan and India. It was formerly included within Roscoea purpurea, but it was described as a separate species in 2017.{{cite book |title=Biodiversity Statistics of Bhutan 2017 |publisher=National Biodiversity Centre |location=Thimphu, Bhutan |isbn=978-99936-987-6-0 |page=25}}
Taxonomy
Roscoea megalantha was first described as a separate species in 2017. Previously it had been treated as merely a white form (f. alba) of Roscoea purpurea. The plant was given its scientific name for its large flowers.
Distribution
Roscoea megalantha occurs in the eastern parts of Bhutan and Arunachal Pradesh in India from 1800 to 3500 m above sea level.{{cite journal |last1=Yoshida |first1=T |last2=Yangzom |first2=R |last3=Newman |first3=M |title=Roscoe megalantha (Zingiberaceae), a new species from Eastern Bhutan and India |journal=Edinburgh Journal of Botany |date=2017 |volume=74 |issue=3|pages=255–263 |doi=10.1017/S0960428617000142 |doi-access=free }}