Rhododendron subg. Hymenanthes

Warning: Display title "Rhododendron subg. Hymenanthes" overrides earlier display title "Rhododendron subg. Hymenanthes" (help).{| class="infobox biota" style="text-align: left; width: 200px; font-size: 100%" |- ! colspan=2 style="text-align: center; background-color: rgb(180,250,180)" | Rhododendron subgenus Hymenanthes |- | colspan=2 style="text-align: center" | |- | colspan=2 style="text-align: center; font-size: 88%" | Rhododendron ponticum |-

|- style="text-align: center; background-color: rgb(180,250,180)"

|-

|- style="text-align: center; background-color: rgb(180,250,180)"

|-

Ponticum
Pentanthera

|-

|}

Rhododendron subg. Hymenanthes is a subgenus of the genus Rhododendron, with a widespread distribution in the temperate Northern Hemisphere. The species are evergreen shrubs and small to medium-sized trees (up to 20 m tall), with medium-sized to large leaves (very large, over 40 cm long, in a few species). The flowers are large, produced in terminal trusses of 5-40 together.^[1]

The subgenus includes two sections, Rhododendron sect. Ponticum, divided into 24 subsections and about 140 species, and (since 2005) Rhododendron sect. Pentanthera^[2]

Section Ponticum (24 subsections)

R. subsect. Arborea (3 species)
R. subsect. Argyrophylla (6 species)
R. subsect. Auriculata (one species, R. auriculatum)
R. subsect. Barbata (2 species)
R. subsect. Campanulata (2 species)
R. subsect. Campylocarpa (4 species)
R. subsect. Falconera (7 species)
R. subsect. Fortunea (10 species)
R. subsect. Fulgensia (2 species)
R. subsect. Fulva (2 species)
R. subsect. Glischra (5 species)
R. subsect. Grandia (9 species)
R. subsect. Griersoniana (one species, R. griersonianum)
R. subsect. Irrorata (7 species)
R. subsect. Lanata (one species, R. lanatum)
R. subsect. Maculifera (6 species)
R. subsect. Neriiflora (19 species)
R. subsect. Parishia (3 species)
R. subsect. Pontica (13 species)
R. subsect. Selensia (5 species)
R. subsect. Taliensia (20 species)
R. subsect. Thomsonia (7 species)
R. subsect. Venatora (one species, R. venator)
R. subsect. Williamsiana (one species, R. williamsianum)

Section Pentanthera (2 subsections)

R. subsect. Pentanthera (G. Don) Pojarkova (15 species)
R. subsect. Sinensia (one species: Rhododendron molle)

Cultivation

This subgenus includes the majority of the larger evergreen rhododendrons widely grown as ornamental plants. Some species, notably Rhododendron ponticum, have escaped from cultivation and become invasive in some regions such as New Zealand.

References

^ Chamberlain, DF; Hyam R; Argent G; Fairweather G; Walter KS (1996). The genus Rhododendron: its classification and synonymy. Royal Botanic gardens Edinburgh. ISBN 1 872291 66 X. Archived from the original on July 14, 2014. Retrieved July 3, 2014. {{cite book}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^ Goetsch, Loretta A.; Eckert, Andrew J.; Hall, Benjamin D. (July–September 2005). "The molecular systematics of Rhododendron (Ericaceae): a phylogeny based upon RPB2 gene sequences". Systematic Botany. 30 (3): 616–626. doi:10.1600/0363644054782170. Retrieved July 3, 2014.

Bibliography

Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.
Craven, L.A.; Goetsch, L.A.; Hall, B.D.; Brown, G.K. (2008). "Classification of the Vireya group of Rhododendron (Ericaceae)". Blumea - Biodiversity, Evolution and Biogeography of Plants. 53 (2): 435. doi:10.3767/000651908X608070.

External links

Germplasm Resources Information Network: Rhododendron subgenus Hymenanthes

This Ericaceae article is a stub. You can help Wikipedia by expanding it.

[Chamberlain-1] Chamberlain, DF; Hyam R; Argent G; Fairweather G; Walter KS (1996). The genus Rhododendron: its classification and synonymy. Royal Botanic gardens Edinburgh. ISBN 1 872291 66 X. Archived from the original on July 14, 2014. Retrieved July 3, 2014. {{cite book}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

[Goetsch-2] Goetsch, Loretta A.; Eckert, Andrew J.; Hall, Benjamin D. (July–September 2005). "The molecular systematics of Rhododendron (Ericaceae): a phylogeny based upon RPB2 gene sequences". Systematic Botany. 30 (3): 616–626. doi:10.1600/0363644054782170. Retrieved July 3, 2014.

[1]

[2]