Dunstervillea is a monotypic genus of orchids in the family Orchidaceae, subfamily Epidendroideae, tribe Cymbidieae, and subtribe Oncidiinae. The sole recognized species within the genus is Dunstervillea mirabilis, which was described by the botanist Leslie Andrew Garay in 1972.
Taxonomy
- Kingdom: Plantae
- Clade: Tracheophytes → Angiosperms → Monocots
- Order: Asparagales
- Family: Orchidaceae
- Subfamily: Epidendroideae
- Tribe: Cymbidieae
- Subtribe: Oncidiinae
- Genus: Dunstervillea Garay
- Species: D. mirabilis Garay
Description
Dunstervillea mirabilis is a small epiphytic orchid characterized by miniature growth habit and white to pale-colored flowers. It typically grows on the small branches or twigs of trees in humid forest environments, often at elevations ranging from roughly 430 m to 1,350 m.
Distribution and Habitat
The species is native to parts of northern South America, with confirmed occurrences in:
- Venezuela: Bolívar Province
- Brazil: State of Roraima
- Ecuador: Eastern regions
It inhabits tropical and subtropical forest ecosystems, favoring intermediate to warm temperatures and moderate light levels.
Etymology
The generic name Dunstervillea honors the orchidologist G. C. K. Dunsterville (Galfrid C. K. Dunsterville), noted for his contributions to the study of Venezuelan orchids.
Conservation
As of the latest available data, Dunstervillea mirabilis has not been evaluated comprehensively by major conservation assessment programs such as the IUCN Red List. Its limited known range suggests that habitat preservation in the aforementioned regions is important for the species’ continued survival.
References
- Garay, L. A., & Dunsterville, G. C. K. (1972). Venezuelan Orchids Illustrated, Volume 1, p. 70.
- Kew World Checklist of Selected Plant Families.
- Wikipedia contributors. “Dunstervillea.” Wikipedia, The Free Encyclopedia, accessed April 2026.
Note: Information is derived from recognized botanical references and taxonomic databases. No speculative statements are included.