Rhododendron viscosum, the swamp azalea,[2] clammy azalea or swamp honeysuckle,[3] is a species of flowering plant in the heath family Ericaceae. This deciduous shrub, growing to 2.5 m (8.2 ft) tall and broad, is native to the eastern United States. It has rounded matt green leaves. In early summer it produces funnel-shaped white flowers flushed pink. The flowers have prominent stamens and are strongly fragrant.
| Rhododendron viscosum | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Ericaceae |
| Genus: | Rhododendron |
| Species: | R. viscosum
|
| Binomial name | |
| Rhododendron viscosum | |
| Synonyms | |
| |
In cultivation in the UK, Rhododendron viscosum has gained the Royal Horticultural Society's Award of Garden Merit.[3][4] It is hardy down to −20 °C (−4 °F) but like most rhododendron species requires a sheltered position in dappled shade with acid soil that has been enriched with leaf mold.
References
edit- ^ Good, K.; Elliott, A. (2023). "Rhododendron viscosum". IUCN Red List of Threatened Species. 2023: e.T206043887A227707998. doi:10.2305/IUCN.UK.2023-1.RLTS.T206043887A227707998.en. Retrieved 8 October 2024.
- ^ NRCS. "Rhododendron viscosum". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 21 October 2015.
- ^ a b "RHS Plantfinder - Rhododendron viscosum". Retrieved 6 October 2018.
- ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 85. Retrieved 2 October 2018.