Rhododendron Species


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R. yunnanense

SubgenusRhododendron
SectionRhododendron
SubsectionTrifloraClick to see all Triflora
Synonyms
R. aechmophyllum   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
& Forrest
George Forrest
(1873-1932)
Scotland, Falkirk
Botanical-short: Forrest
)
R. bodinieri   (Franch.
Adrien René Franchet
(1834-1900)
France
Botanical-short: Franch.
)
R. chartophyllum   (Franch.
Adrien René Franchet
(1834-1900)
France
Botanical-short: Franch.
)
R. chartophyllum f praecox
R. hesperium   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
& Forrest
George Forrest
(1873-1932)
Scotland, Falkirk
Botanical-short: Forrest
)
R. hormophorum   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
& Forrest
George Forrest
(1873-1932)
Scotland, Falkirk
Botanical-short: Forrest
)
R. pleistanthum   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
)
R. rubropunctatum
R. seguini   (H.Lév.
Augustin Abel Hector Léveillé
(1863-1918)
France
Botanical-short: H.Lév.
)
R. strictum   (H.Lév.
Augustin Abel Hector Léveillé
(1863-1918)
France
Botanical-short: H.Lév.
)
R. suberosum   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
& Forrest
George Forrest
(1873-1932)
Scotland, Falkirk
Botanical-short: Forrest
)
In cultivation since: 1889

First described: 1886, (Franch.
Adrien René Franchet
(1834-1900)
France
Botanical-short: Franch.
)

Origin: Yunnan, S.W. Sichuan, Burma, S.E. Tibet,Guizhou, 900-4300 meter

Corolla: openly funnel-shaped
Leaves: oblanceolate to elliptic

Habit: terrestrial
epiphytic = living on dead organic material (decaying trees f.i)
terrestrial = in soil (like in your garden)

Winter: partly deciduous
Bloomtime: late midseason
Hardiness: H4
H0 = 0 °C (32 F)
H1 = -7 °C (20 F)
H2 = -12 °C (10 F)
H3 = -15 °C (5 F)
H4 = -18 °C (0 F)
H5 = -24 °C (-10 F)


Predominant color: white

Height
Height
The figures listed here are the observed size in the natural environment.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
: 300 cm. (10ft.)

Registered
In 'Your Garden' you can administrate
your rhododendrons.

To try/see this go 'Home' (top-right).
on hirstum.info: 47
R. yunnanense per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 24
Canada : 11
England : 7
United States : 3
France : 2



Clones / selections
'Openwood', 1959, Waterer, H. (Knaphill), Woking, Surrey (Knaphill), UK
'Tower Court', 1988, UK, No hybridizer registered, ,


Send questions, information or pictures

Rhododendron yunnanense
Photo byRinus Manders
Date02 May, 2014
LocationArboretum Belmonte, Wageningen, Netherlands
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Rhododendron yunnanense
Photo byHank Helm
Date
LocationHank Helm Garden, Bainbridge Island, WA, USA
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Rhododendron yunnanense
Photo bySusan Lightburn
Date30 April, 2009
Locationprivate garden Whidbey Island WA USA
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Rhododendron yunnanense
Photo byJennifer Pell
Date05 May, 2013
LocationRooftop garden, Vancouver, BC, Canada
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Rhododendron yunnanense
Photo byHank Helm
Date
LocationChimacum Woods Garden, Washington, USA
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Rhododendron yunnanense
Photo byGarth Wedemire
Date19 May, 2008
LocationMike Bale's garden
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Rhododendron yunnanense
RSBG 511SD96
Photo byFrederick Thurber
Date02 May, 2012
LocationPrivate garden in Westport Point, Massachusetts, MA
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Rhododendron yunnanense
Photo byGarth Wedemire
Date17 May, 2007
LocationMike Bale’s Garden: Lu Zhu, Agassiz, BC, Canada
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Rhododendron yunnanense
Photo byCoen Zonneveld
Date
LocationDiepenveen, Netherlands
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Rhododendron yunnanense
Photo byGarth Wedemire
Date05 May, 2006
LocationMike Bale’s Garden: Lu Zhu, Agassiz, BC, Canada
See high-resolution version
Rhododendron yunnanense
Photo byHerman Van Ree
Date06 May, 2010
LocationNymans Garden House, Sussex, UK
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Rhododendron yunnanense
Photo byCoen Zonneveld
Date14 April, 2009
LocationDiepenveen, Netherlands
Rhododendron yunnanense
Photo bySusan Lightburn
Date30 April, 2009
Locationprivate garden Whidbey Island WA USA
See high-resolution version
Rhododendron yunnanense
Photo byJens Birck
Date20 May, 2006
LocationKastrup, Denmark
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Rhododendron yunnanense
Photo byGarth Wedemire
Date19 May, 2008
LocationMike Bale's Garden: Lu Zhu, Agassiz, BC, Canada
See high-resolution version
Rhododendron yunnanense
Photo byCoen Zonneveld
Date27 April, 2009
LocationPrivate garden, Diepenveen, Netherlands
Rhododendron yunnanense
Photo byHerman Van Ree
Date08 June, 2009
LocationNunspeet, Netherlands
Rhododendron yunnanense
New leaves
Photo byHerman Van Ree
Date22 July, 2009
LocationNunspeet, Netherlands



yunnanense 'Openwood'
Rhododendron yunnanense
Photo byEverard Daniel
Date14 May, 2008
Locationprivate garden Forest Row, Sussex, UK
See high-resolution version

Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. yunnanense is directly involved:     show indirect inv.
'Alison Johnstone' (photoClick to see more information


Alison Johnstone
), 1945, Johnstone G.H., Trewithin, Cornwall, England
R. yunnanense x R. cinnabarinum ssp xanthocodon Concatenans Group
'Diamond Wedding', 1978, Hardy, Maj. A.E., Hythe, Kent, UKR. yunnanense x R. davidsonianum
'Diana Colville', 1968, Colville, Col. N.R., Launceston, Cornwall, UKR. yunnanense x ?
'Elena Group', 1937, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Blandfordiiflorum x R. yunnanense
'Emma Williams', 1968, Williams, F.J., , R. yunnanense x 'Trewithen Orange'
'Pink Gin', 1971, Millais, E.G., , R. yunnanense x 'Lady Rosebery Group'
'Xanchart Group', 1935, Ingram, C., Benenden, Kent, EnglandR. concinnum x R. yunnanense


Indirect involvement of R. yunnanense in cultivars: (cultivar = direct child/cultivar of yunnanense)
'I'll Be Damned' (photo), 1984, Hager, D., Hager Nurseries, Spotsylvania, Virginia, USA'Polar Sea x Corinne Murrah' x 'Diana Colville'
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009