Marcgravia polyadenia is a species of plant in the Marcgraviaceae family. The flowering vine is endemic to Ecuador.
The plant's natural habitat is subtropical or tropical moist lowland forests.
The green-crowned brilliant hummingbird feeds at the large inflorescences of the Marcgravia polyadenia vines.
Marcgravia polyadenia is a species of plant in the Marcgraviaceae family. The flowering vine is endemic to Ecuador.