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Rhododendron atlanticum (Ashe) Rehder
DWARF AZALEA
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Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum

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Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum
Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum

Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum
Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum

Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum
Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum

Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum
Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum

Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum
Rhododendron atlanticum
© Copyright Bobby Hattaway 2011 · 5
Rhododendron atlanticum

Rhododendron atlanticum, Nacoochee princess, stem
© Graham Wyatt, 2009-2010 · 1
Rhododendron atlanticum, Nacoochee princess, stem
Rhododendron atlanticum, Nacoochee princess, plant
© Graham Wyatt, 2009-2010 · 1
Rhododendron atlanticum, Nacoochee princess, plant

Rhododendron atlanticum, Nacoochee princess, branching
© Graham Wyatt, 2009-2010 · 1
Rhododendron atlanticum, Nacoochee princess, branching
Rhododendron atlanticum, Nacoochee princess, leaf upper
© Graham Wyatt, 2009-2010 · 1
Rhododendron atlanticum, Nacoochee princess, leaf upper

Associates · map
FamilyScientific name @ source (records)
Exobasidiaceae  Exobasidium vaccinii @ BPI (1)
Mycosphaerellaceae  Cercospora handelii @ BPI (1)

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https://plants.usda.gov/java/profile?symbol=RHAT ---> http://plants.usda.gov/core/profile?symbol=RHAT
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You are here: Home / Plant Profile

Rhododendron atlanticum (Ashe) Rehder
dwarf azalea

Image of Rhododendron atlanticum

General Information
Symbol: RHAT
Group: Dicot
Family: Ericaceae
Duration: Perennial
Growth Habit : Shrub
Native Status : L48   N
Characteristics
Data Source and Documentation
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

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©J.S. Peterson. USDA NRCS National Plant Data Center (NPDC). United States, CA, Berkeley, University of California Berkeley Botanical Garden. March 24, 2004. Usage Requirements .

©Jim Stasz. Usage Requirements .

©Jim Stasz. Usage Requirements .

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Synonyms

Symbol Scientific Name
AZAT Azalea atlantica Ashe

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Ericales
Family Ericaceae – Heath family
Genus Rhododendron L. – rhododendron
Species Rhododendron atlanticum (Ashe) Rehder – dwarf azalea

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
New Jersey dwarf azalea Endangered
Pennsylvania dwarf azalea Endangered

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FAC
Eastern Mountains and Piedmont FAC

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (RHAT)
Integrated Taxonomic Information System (AZAT)
Integrated Taxonomic Information System (RHAT)
Lady Bird Johnson Wildflower Center Native Plant Information Network (RHAT)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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FNA | Family List | FNA Vol. 8 | Ericaceae | Rhododendron

17. Rhododendron atlanticum (Ashe) Rehder in E. H. Wilson and A. J. Rehder, Monogr. Azaleas. 147. 1921.

Dwarf azalea

Azalea atlantica Ashe, Bull. Charleston Mus. 13: 26. 1917

Shrubs , to 0.5-1 m, very strongly rhizomatous. Stems: bark ± smooth, not shredding; twigs scattered, multicellular eglandular-hairy (hairs un-branched) and/or stipitate-glandular-hairy, otherwise gla-brous or, sometimes, sparsely unicellular-hairy. Leaves deciduous; petiole multicellular eglandular- and/or stipitate-glandular-hairy, sometimes also unicellular-hairy; blade ovate to obovate, 2-5.5(-6.5) × 0.8-2(-3) cm, thin, membranous to chartaceous, margins entire, plane, ciliate, eglandular-hairy, apex acute to obtuse, often mucronate, abaxial surface glabrous or, rarely, sparsely scattered eglandular-hairy, sometimes sparsely (rarely densely) unicellular-hairy, adaxial surface (lustrous to dull), glabrous or sparsely scattered stipitate-glandular-hairy, sometimes also sparsely unicellular-hairy. Floral bud scales glabrous or densely unicellular-hairy abaxially, margins usually unicellular-ciliate. Inflorescences 4-13-flowered; bracts similar to bud scales. Pedicels 4-15(-20) mm, eglandular- and/or stipitate-glandular-hairy, otherwise glabrous or sparsely (rarely moderately) unicellular-hairy. Flowers opening before or with leaves, erect to horizontal, usually very fragrant and/or nearly mephitic-scented; calyx lobes 0.7-5.5(-10) mm, marginal and scattered stipitate-glandular- or, less commonly, eglandular-hairy, sometimes also unicellular-hairy; corolla white, usually flushed pink or rose (especially on tube), without blotch on upper lobe, funnelform, 23-58 mm, scattered, usually conspicuous, multicellular stipitate-glandular-hairy (hairs forming prominent band along middle of each lobe), otherwise glabrous or, sometimes, sparsely unicellular-hairy on outer surface, petals connate, lobes 8-24 mm, tube rather gradually expanded into lobes, 16-35 mm (equaling or longer than lobes); stamens 5, much exserted, ± unequal, 32-63 mm. Capsules borne on erect pedicels, 10-24 × 4-8 mm, usually densely stipitate-glandular-hairy, otherwise glabrous or densely unicellular-hairy. Seeds without distinct tails, flattened portion of testa well developed at each end; testa expanded, dorsiventrally flattened, ± loose. 2 n = 26.

Flowering spring. Moist pine flatwoods and savannas, sometimes in drier pine and/or oak forests, primarily in fire-maintained communities of the Atlantic coastal plain; 0-200 m; Del., Ga., Md., N.C., Pa., S.C., Va.

Varieties and forms have been described within Rhododendron atlanticum (see E. H. Wilson and A. J. Rehder 1921; K. A. Kron 1993). Hybrids between it and R. canescens and R. periclymenoides are known. Rhododendron atlanticum is easily confused with the sympatric R. viscosum , which generally is taller, less rhizomatous, hairier, larger-leaved, and later-flowering (i.e., flowers appear after the leaves have expanded).

Updated: 2018-07-18 13:20:13 gmt
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