Contains 5 accepted taxa overall.
Characteristics
Classification
Citation
RHODODENDRON Linnaeus, Sp. Pl. 392. 1753.
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TYPE: Rhododendron ferrugineum Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 680. 1913.
Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Rhododendron alabamense | ALABAMA AZALEA | Native Endangered-State | |
| Rhododendron austrinum | FLORIDA FLAME AZALEA; ORANGE AZALEA | Native Endangered-State FAC (NWPL) | |
| Rhododendron canescens | SWEET PINXTER AZALEA; MOUNTAIN AZALEA | Native FACW (NWPL) | |
| Rhododendron minus var. chapmanii | CHAPMAN'S RHODODENDRON | Native Endemic Endangered-State Endangered-US FACW (NWPL) | |
| Rhododendron viscosum | SWAMP AZALEA | Native OBL (NWPL) FACW (DEP) |
[Family identification key]
1. Plant ferruginous-lepidote with glandular-peltate scales; leaves evergreen, often revolute; corolla upper lobe with spots; stamens 10 per flower
1. Plant glabrous, hairy, or stipitate-glandular, not lepidote, without peltate scales; leaves deciduous, plane; corolla upper lobe lacking spots; stamens 5 per flower
2
2. Leaves mostly fully developed or nearly so before flowers open, vegetative bud scales absent; flowers opening after appearance of leaves; corolla white, rarely pinkish, without blotches or spots on the upper lobe
2. Leaves mostly appearing simultaneous with or after flowers, vegetative bud scales often present; flowers opening before or with appearance of leaves; corolla white, pink, or yellow to orange, the upper lobe with or without contrasting or darker colored areas
3
3. Corolla white to pink, the tube darker colored and pinkish, upper lobe without contrasting or darker colored area
3. Corolla white, pink-tinged, the tube white to greenish or corolla yellow to orange, the tube yellow to reddish, the upper lobe often with darker or contrasting area (sometimes obscure)
4
4. Stems, leaf blade upper surface, and fruit eglandular-hairy; flowers fragrant; corolla white, rarely pinkish, upper lobe with contrasting yellowish area
4. Stems, leaf blade upper surface, and fruit stipitate-glandular; flowers usually inodorous or slightly fragrant; corolla yellow, orange, to orange-red (tube often orange-red or red), upper lobe with indistinct darker yellow, orange, or red blotch