OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Ericales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Rhododendron viscosum var. viscosum   FAMILY Ericaceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Rhododendron viscosum   FAMILY Ericaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Rhododendron viscosum

INCLUDED WITHIN Flora of North America

Rhododendron viscosum

INCLUDED WITHIN Taxonomy, ecology, and distribution of the genus Rhododendron (Ericaceae) in SC (Horn, 2019)

Rhododendron viscosum

SYNONYMOUS WITH Rhododendron viscosum var. serrulatum: Dirt Roads, Mud Holes, and Living Things (Miller, 2012)

Rhododendron viscosum var. viscosum

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

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

INCLUDING & INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Azalea viscosa

 

COMMON NAME:
Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea


         To see larger pictures, click or hover over the thumbnails.

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_azvi_001_lvd

        

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_rhvi2_002_lvd

        

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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 (Towe, 2004).

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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 (Sorrie, 2011).

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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 (Towe, 2004).

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Ron Lance    rwl1234_a

June        

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Stephanie C. Brundage    scb_060521hayesville14

June    Clay County    NC

Clay County Native Botanical Garden

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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 (Towe, 2004).

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Stephanie C. Brundage    scb_060521hayesville20

June    Clay County    NC

Clay County Native Botanical Garden

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

Will Stuart    wil_r_viscosum_3977

December    Scotland    NC

North Carolina Sandhills Gamelands

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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

image of Rhododendron viscosum var. viscosum, Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea

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 (4/14/23):
Rhododendron viscosum var. viscosum   FAMILY Ericaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Rhododendron viscosum   FAMILY Ericaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Rhododendron viscosum

INCLUDED WITHIN Flora of North America
Rhododendron viscosum

INCLUDED WITHIN Taxonomy, ecology, and distribution of the genus Rhododendron (Ericaceae) in SC (Horn, 2019)
Rhododendron viscosum

SYNONYMOUS WITH Rhododendron viscosum var. serrulatum: Dirt Roads, Mud Holes, and Living Things (Miller, 2012)
Rhododendron viscosum var. viscosum

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

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

INCLUDING & INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Azalea viscosa

 

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Shrub
Perennial

Habitat: Moist streambanks, shrub balds, and other moist habitats, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Piedmont & in Carolina Mountains (rare elsewhere in GA-NC-SC)

map
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:
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!



 


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