Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Ericales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Rhododendron viscosum var. viscosum
FAMILY
Ericaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Swamp Azalea at Vascular Plants of North Carolina.
R. viscosum is a member of what the Azalea Society of America refers to as "the white group". Read more here.
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Rhododendron viscosum
FAMILY
Ericaceae
INCLUDING
Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Rhododendron coryi
INCLUDING
Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Rhododendron oblongifolium
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 145-05-011a:
Rhododendron viscosum var. viscosum
FAMILY
Ericaceae
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea oblongifolia
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea viscosa
INCLUDING
-
Rhododendron viscosum var. montanum
COMMON NAME:
Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_azvi_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_rhvi2_002_lvd
)
Will Stuart wil_rviscosum_0526_001
May Richmond County NC
North Carolina Sandhills Gamelands
Fragrant. Pistil & filaments typically white [vs. R. arborescens' red pistil], per American Azaleas.
)
Will Stuart wil_rviscosum_0526_005
May Richmond County NC
North Carolina Sandhills Gamelands
Fragrance is such that you may often smell Swamp Azalea before you see it, per Wildflowers of the Sandhills Region.
)
Will Stuart wil_rviscosum_0526_005b
May Richmond County NC
North Carolina Sandhills Gamelands
Sticky, glandular tube hairs easily catch flying insects, per American Azaleas.
)
Ron Lance rwl1234_a
June
)
Stephanie C. Brundage scb_060521hayesville14
June Clay County NC
Clay County Native Botanical Garden
)
Stephanie C. Brundage scb_060521hayesville15
June Clay County NC
Clay County Native Botanical Garden
Leaf shape varies from small and narrow to large and rounded, per American Azaleas.
)
Stephanie C. Brundage scb_060521hayesville20
June Clay County NC
Clay County Native Botanical Garden
)
Will Stuart wil_r_viscosum_3931
December Scotland NC
North Carolina Sandhills Gamelands
Last summer's growth emerging from the point of the spring blossoms. — Will Stuart
)
Will Stuart wil_r_viscosum_3977
December Scotland NC
North Carolina Sandhills Gamelands
)
Will Stuart wil_r_viscosum_3981
December Scotland NC
North Carolina Sandhills Gamelands
Winter buds showing large flower buds and smaller vegetative buds. — Will Stuart
)
Will Stuart wil_r_viscosum_3989
December Scotland NC
North Carolina Sandhills Gamelands
Flower and vegetative bud detai. — Will Stuart
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Rhododendron viscosum var. viscosum
FAMILY
Ericaceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Rhododendron viscosum
FAMILY
Ericaceae
INCLUDING
Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Rhododendron coryi
INCLUDING
Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Rhododendron oblongifolium
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 145-05-011a:
Rhododendron viscosum var. viscosum
FAMILY
Ericaceae
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea oblongifolia
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea viscosa
INCLUDING
-
Rhododendron viscosum var. montanum
1234
Shrub
Perennial
Native to the Carolinas & Georgia
Common in Piedmont & NC-SC Mountains (uncommon to rare elsewhere)
Habitat: Moist streambanks, shrub balds, and other moist habitats, per Weakley's Flora
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Deciduous
Simple
Alternate
FLOWER:
Spring/Summer
White
(rarely pink)
Bisexual
Slightly bilaterally symmetrical
5-lobed calyx
5-lobed funnelform corolla
5 stamens, noticeably shorter than pistil
Superior ovary
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- American Azaleas p028
- Atlantic Coastal Plain Wildflowers p132
- Gardening with Native Plants of the South p085
- Gardening with the Native Plants of Tennessee p256
- Guide to the Wildflowers of SC p310
- Native Shrubs and Woody Vines of the Southeast p107
- Newcomb's Wildflower Guide p300
- Field Guide to the Rare Plants of Georgia p297
- Wildflowers of the Carolina Lowcountry p118
- Wild Flowers of NC, 1st edition p134
- Wild Flowers of NC, 2nd edition p178
- Wildflowers of Tennessee p101
- Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont p305
- Woody Plants of the Southeastern US: A Winter Guide p290
- Wildflowers of the Sandhills Region p171