Rhododendron sect. Pentanthera
(Redirected from Pentanthera (section))
| Rhododendron sect. Pentanthera | |
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| Rhododendron luteum | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Ericaceae |
| Genus: | Rhododendron |
| Subgenus: | Rhododendron subg. Hymenanthes |
| Section: | Rhododendron sect. Pentanthera G.Don |
| Type species | |
| Rhododendron luteum | |
| Species | |
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See text | |
Rhododendron sect. Pentanthera is a section of subgenus Hymenanthes in the genus Rhododendron. It comprises 15-16 species of deciduous shrubs native to temperate regions of the Northern Hemisphere.
It includes two subsections:
- Pentathera
- Sinensia
Subsection Pentanthera (16 species)
[edit]- Species
| Image | Name | Distribution |
|---|---|---|
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Rhododendron alabamense Alfred Rehder, 1921 (Alabama azalea) | United States (Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, Tennessee) |
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Rhododendron arborescens John Torrey, 1824 | United States (West Virginia, Pennsylvania, Tennessee, North Carolina, Georgia and Alabama.) |
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Rhododendron atlanticum Alfred Rehder, 1921 | United States (New Jersey south to Georgia.) |
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Rhododendron austrinum (Small) Rehder 1917 | United States (Alabama, Florida, Georgia, and Mississippi) |
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Rhododendron calendulaceum John Torrey, 1824 | United States (southern Pennsylvania and Ohio to northern Georgia.) |
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Rhododendron canescens (Michx.) Sweet 1889 | United States(Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia ) |
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Rhododendron colemanii Ronald F. Miller, 2008 | United States(Alabama and western Georgia) |
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Rhododendron cumberlandense Emma Lucy Braun, 1941 | United States (Kentucky, Tennessee, Georgia, Alabama, and North Carolina.) |
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Rhododendron eastmanii Kathleen Anne Kron, 1999 | United States (South Carolina) |
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Rhododendron flammeum (Michx.) Sarg. 1917 | United States(Georgia and South Carolina) |
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Rhododendron luteum Sweet 1911 (yellow azalea, honeysuckle azalea) | southern Russia; and in Asia |
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Rhododendron occidentale Torr. & A.Gray 1876 | United States(Oregon, California) |
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Rhododendron periclymenoides (Michx.) Shinners 1962 (pink azalea, pinxterbloom azalea, pinxter flower) | United States(southern New York south to Georgia) |
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Rhododendron prinophyllum (Small) Millais 1917 (rose azalea, roseshell azalea) | Eastern United States |
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Rhododendron prunifolium (Small) Millais 1917 | United States( Georgia, Alabama ) |
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Rhododendron viscosum (L.) Torr. 1824 (Swamp azalea) | Eastern United States |
Subsection Sinensia (2 species)
[edit]- Selected species
| Image | Name | Distribution |
|---|---|---|
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Rhododendron molle (Blume) G.Don 1834 | S. China |
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Rhododendron japonicum[1] (A.Gray) Suringar, 1908 | Japan (Honshu, Shikoku, N. Kyushu). |
The section is closely related to sect. Rhodora, differing from it in the flower corolla having five fully developed lobes, whereas sect. Rhodora has the upper three lobes joined into a single three-lipped lobe.
Cultivation
[edit]Most (but not all) of the cultivated azaleas belong to species in this section, and hybrids derived from them.
References
[edit]- Germplasm Resources Information Network: Rhododendron sect. Pentanthera
- Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.
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