Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Ericales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Rhododendron serrulatum
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.
Someone who has observed var. serrulatum in its native haunts can scarcely avoid its individuality, its personality.... Read more in Rhododendron viscosum var. serrulatum: Dirt Roads, Mud Holes, and Living Things (Miller, 2012).
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Rhododendron viscosum
FAMILY
Ericaceae
INCLUDED WITHIN Flora of North America
Rhododendron viscosum
INCLUDING & INCLUDED WITHIN Taxonomy, ecology, and distribution of the genus Rhododendron (Ericaceae) in SC (Horn, 2019)
Rhododendron viscosum
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Rhododendron viscosum
SYNONYMOUS WITH Rhododendron viscosum var. serrulatum: Dirt Roads, Mud Holes, and Living Things (Miller, 2012)
Rhododendron viscosum var. serrulatum
INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Rhododendron viscosum
INCLUDED WITHIN Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Rhododendron viscosum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 145-05-011b:
Rhododendron viscosum var. serrulatum FAMILY Ericaceae
SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Rhododendron serrulatum
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea serrulata
COMMON NAME:
Swamp Azalea, Clammy Azalea, Sweet Azalea
To see larger pictures, click or hover over the thumbnails.
)
Keith Bradley kab_r_viscosum_79145
July Highlands County FL
Lake June-in-Winter Scrub State Park
Corolla tube glabrous within; pistil usually noticeably longer than stamens, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_r_viscosum_79150
July Highlands County FL
Lake June-in-Winter Scrub State Park
Leaves glabrous below, except for strigose bristles along midrib & major veins, per Weakley's Flora.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Rhododendron serrulatum
FAMILY
Ericaceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Rhododendron viscosum
FAMILY
Ericaceae
INCLUDED WITHIN
Flora of North America
Rhododendron viscosum
INCLUDING & INCLUDED WITHIN
Taxonomy, ecology, and distribution of the genus Rhododendron (Ericaceae) in SC (Horn, 2019)
Rhododendron viscosum
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Rhododendron viscosum
SYNONYMOUS WITH
Rhododendron viscosum var. serrulatum: Dirt Roads, Mud Holes, and Living Things (Miller, 2012)
Rhododendron viscosum var. serrulatum
INCLUDED WITHIN
Floristic Synthesis of North America (Kartesz, 1999)
Rhododendron viscosum
INCLUDED WITHIN
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Rhododendron viscosum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 145-05-011b:
Rhododendron viscosum var. serrulatum
FAMILY
Ericaceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Rhododendron serrulatum
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea serrulata
4354
Shrub
Perennial
Habitat: bogs, pocosins, wet pine savannas, per Weakley's Flora
Native to the Carolinas & Georgia
Common in Coastal Plain
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Deciduous
Simple
Alternate
FLOWER:
Spring/Summer
White
(rarely pink)
Slightly bilaterally symmetrical
5-lobed calyx
5-lobed funnelform corolla
5 stamens, noticeably shorter than pistil
Superior ovary
Bisexual
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- American Azaleas (Towe, 2004) p029
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p315
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p417
- How to Recognize Shrubs (Grimm, 1966) p219
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p290
- Wildflowers of the Sandhills Region (Sorrie, 2011) p171
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