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Topic: Pentanthera

In the News (Tue 25 Sep 18)

  Azalea - Encyclopedia, History, Geography and Biography
Azaleas are flowering shrubs making up part of the genus Rhododendron.
Originally azaleas were classed as a different genus of plant, but now they are recognised as two of the eight sub-genera of rhododendrons - subgenus Pentanthera (deciduous) typified by Rhododendron nudiflorum, and subgenus Tsutsusi (evergreen) typified by Rhododendron tsutsusi.
One of the major differences between azaleas and the rest of the rhododendron family is their size.
www.arikah.net /encyclopedia/Azalea   (280 words)

 [No title]
KRON, K.A. A revision of Rhododendron section Pentanthera.
PENTANTHERA section SCIADORHODION 'Album' clone of rigidum album album f.
PENTANTHERA section RHODORA CANADENSA subseries of series AZALEA syn.
www.rhododendron.dk /spec/dictnary.txt   (5668 words)

 Fraser South Rhododendron Society
The resulting phylogenies show subgenera Azaleastrum and Pentanthera to be polyphyletic and group all Rhododendron species (except the two in section Therorhodion) into three large clades.
An interesting, although infrequently noted, feature of Sleumer’s taxonomic key is the proximity of the deciduous section Pentanthera to the evergreen subgenus Hymenanthes.
Sections Sciadorhodion and Viscidula and R. vaseyi (section Rhodora) from the discontinued subgenus Pentanthera are combined with sections Azaleastrum, Tsutsusi and Brachycalyx to form an expanded and revised subgenus Azaleastrum.
www.flounder.ca /FraserSouth/Goetsch-Eckert-Hall.asp   (1045 words)

 Newsletter, Fall 2003: Potomac Valley Chapter of the American Rhododendron Society
In section Pentanthera, the species known as R. molle from China and R. japonicum from Japan are now considered just regional variants of the same species, R. molle.
The first letter denotes subgenus (Pentanthera or Tsutsusi) and the second is the section (Brachycalyx, Pentanthera, Rhodora, Sciadorhodion, or Nipponicum).
For instance, all plants with the designation (PP) belong to subgenus Pentanthera section Pentanthera and are relatively closely related and often cross.
www.donaldhyatt.com /ARSPVC/articles/News1003.html   (3637 words)

 Choosing A Rhododendron
These have scaly leaves and stems, and are frost tender.
They belong to the subgenera Pentanthera and Tsutusi.
They too belong to the subgenera Pentanthera and Tsutusi.
www.suite101.com /article.cfm/gardening_in_bc/90630   (488 words)

 Rhododendron viscosum: Species In Our Midst
If I were asked to choose, I would say that the deciduous azaleas in Subgenus Pentanthera, Section Pentanthera, are my favorite rhododendrons.
Rhododendron viscosum is a widely distributed and variable species that can be found from Vermont and Maine to peninsular Florida, west to Texas and north to Arkansas from sea level to 1500m (5,000 feet).
In her 1993 revision of Subsection Pentanthera, Dr. Katherine A. Kron confirmed the 1981 combining of previously described regional species R.
www.rosebay.org /chapterweb/specvis.htm   (444 words)

 azalea_06-1   (Site not responding. Last check: 2007-11-02)
Azaleas are called "the royalty of the garden".
This is a deciduous azaleas in the subgenus Pentanthera, genus Rhododendron.
All North American species azaleas, also called native azaleas, are deciduous (drop their leaves in the fall), with flower colors ranging from white to purple, pink, red, orange and yellow.
www.flowerpictures.net /Flowerpictures/Flower_gallery-1/pages/azalea_06-1.htm   (49 words)

 R. SPECIES   (Site not responding. Last check: 2007-11-02)
It grows rather rapidly to make a large shrub with long good sized leaves, and often has a remarkably pleasant fragrance.
The creamy, golden yellow, tubular and funnel shaped flowers deepen to shades of orange and red.
The medium sized leaves, which range in color from dull dark green to a lovely bronzy red, are oblong or lance shaped.
www.greergardens.com /r__species.htm   (4634 words)

Subgenus Tsutsusi, the so-called evergreen azaleas, and Subgenus Pentanthera, the so called, deciduous azaleas, are taxonomically no more related than the other subgenera in the genus.
With the discovery of so many more species over the ensuing years, it became obvious that the division into Genus Azalea and Genus Rhododendron on the basis of the number of stamens was inconsistent and could not be applied.
Subgenus Pentanthera is familiar to the horticultural industry as deciduous azaleas.
www.lib.virginia.edu /brown/sciscan/rhododendrons/ran9802/books.htm   (2868 words)

 Southcoast Gardens, Articles
These species are currently organized into subgenera, sections and subsections, with the species in each group having certain points of similarity to each other.
All azaleas are rhododendrons, with deciduous azaleas belonging to one subgenus (Pentanthera) and evergreen azaleas to another subgenus (Tsutsusi).
According to the ARS, many of our cultivated rhododendrons are derived from Asian species that grow in the foothills of the Himalayan mountains, western China, northern India, Burma and Assam.
www.southcoasttoday.com /gardens/article8.shtml   (1054 words)

 Henning's Rhododendron & Azaleas Pages   (Site not responding. Last check: 2007-11-02)
Azaleas comprise two of these sections, Subgenus Pentanthera typified by deciduous Rhododendron nudiflorum and Subgenus Tsutsusi typified by evergreen Rhododendron tsutsusi.
If flowers grow from terminal buds, new leaves and shoots grow from lateral buds and leaves are deciduous, then the rhododendron is an azalea in the Pentanthera subgenus.
If flowers and leaves grow from the same terminal buds, and the flowers have 5 to 10 stamens, then the rhododendron is an azalea in the Tsutsusi subgenus.
home.earthlink.net /~rhodyman/rhody.html   (2808 words)

 May - Rhododendron schlippenbachii - Skov og Landskab
Third, are the rest, often referred to as “the azaleas”, which comprise a diverse group of five or six subgenera.
This month’s plant, Rhododendron schlippenbachii, belongs to the subgenus Pentanthera.
There are14 species within the subgenus Pentanthera in the Hørsholm Arboretum.
www.sl.kvl.dk /Faciliteter/Arboretet/MaanedensPlante/2004/Maj.aspx?lang=en&   (553 words)

 Rhododendron Classification.
Subgenus Pentanthera covers the deciduous azaleas and Tsutsutsi the evergreen azaleas.
The deciduous azaleas make up the subgenera Pentanthera and the evergreen azaleas are classified under Tsutsutsi.
Obviously, deciduous azaleas drop all of their foliage in the fall.
www.herbs2000.com /flowers/rh_classification.htm   (1038 words)

 Shrub with pink flowers, bloomed in April - UBC Botanical Garden Forums
Genus Rhododendron, comprising over 1000 species, is currently organized into subgenera, sections and subsections.
All azaleas are rhododendrons, with deciduous azaleas belonging to subgenus Pentanthera and evergreen azaleas to subgenus Tsutsusi.
So "all plants formerly known as azalea are now proper rhododendrons" is correct only to a point.
www.ubcbotanicalgarden.org /forums/showthread.php?t=3458   (325 words)

 Azalea Society of America
Azaleas are in the genus Rhododendron, with evergreen azaleas in the subgenus Tsutsusi and deciduous azaleas in the subgenus Pentanthera.
To tell them apart, first look at a flower—most azaleas have only 5 or 6 stamens, while most rhododendrons have 10 stamens.
When searching the Internet, giving it the word azalea along with the name of the azalea will reduce the number of irrelevant links.
www.azaleas.org /index.pl/azaleas.html   (1402 words)

simsii hybrids) by classical breeding, intersubgeneric pollination experiments involving Hymenanthes, Pentanthera and Rhododendron (including Vireya) species and hybrids were started.
Prefertilization research by pollen tube staining revealed a different behaviour between bilateral crosses.
The ploidy level of Vireya x Tsutsusi and Tsutsusi x Pentanthera seedlings is intermediate, which strongly suggests their hybrid origin.
www.actahort.org /books/612/612_20.htm   (229 words)

 Rhododendron, Oregon State Univ., LANDSCAPE PLANTS
Harold Greer, in his book, "Greer's Guidebook to Available Rhododendrons: Species & Hybrids", briefly describes about 530 Rhododendron species and 780 hybrids (cultivars).
Azaleas are now classified in the genus Rhododendron, but essentially all are assinged to two major groups (subgenus), the Pentanthera and Tsutsutsi.
Most used in landscaping are hybrids of two, but usually more, Rhododendron species.
oregonstate.edu /dept/ldplants/rhody.htm   (1798 words)

 Weyerhauser Rhododendron Garden -- Recommendations and Resources   (Site not responding. Last check: 2007-11-02)
What titles should we have for the subgenera pages?
'Pentanthera' seems a bit ambiguous, so would 'Rhododendron/Pentanthera' or 'Rhododendron, subgenus Pentanthera' be more appropriate?
The same issue will occur when we get to sections, subsections and alliances.
www.becomingapediatrician.com /health/172/weyerhauser-rhododendron-garden.html   (526 words)

 Acclaim Images - pentanthera photos, stock photos, pictures, pentanthera stock photography
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www.acclaimimages.com /search_terms/pentanthera.html   (105 words)

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