Carolina Nature

Trees, Shrubs, and Woody Vines of North Carolina

Swamp Azalea (Rhododendron viscosum)

Plantae>Magnoliophyta>Magnoliopsida>Ericales>Ericaceae>Rhododendron viscosum (L.) Torrey

Swamp Azalea is a showy low deciduous shrub with fragrant white to pink flowers that appear well after the leaves.

Robeson Co., NC 5/30/08.

Swamp Azalea (Rhododendron viscosum)

Found in swampy areas throughout North Carolina, but most common in the Mountains and Coastal Plain. In the Coastal Plain, compare with the very similar Dwarf Azalea, which blooms before the leaves emerge.

Alleghany Co., NC 6/18/06.

Swamp Azalea (Rhododendron viscosum)

Also known as Clammy Azalea because of the viscous sundew-like secretions of the stipitate glands on the inflorescence.

Alleghany Co., NC 7/1/06.

Swamp Azalea (Rhododendron viscosum)

Flowers may also be pink.

Alleghany Co., NC 6/18/06.

Swamp Azalea (Rhododendron viscosum)

The leaves are smooth beneath except for stiff white hairs on the midrib. The leaves are sometimes bluish green.

Alleghany Co., NC 7/1/06.

Swamp Azalea (Rhododendron viscosum)

Alleghany Co., NC 6/18/06.

Swamp Azalea (Rhododendron viscosum)

The pedicels and flowers are densely stipitate-glandular.

Alleghany Co., NC 7/1/06.

Bark detail.

Robeson Co., NC 5/30/08.

More information:
East Coast Native Azaleas
Rosebay.org

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