Rhododendron Species


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R. formosum var formosum

SubgenusRhododendron
SectionRhododendron
SubsectionMaddeniaClick to see all Maddenia
Synonyms
R. assamicum
R. gibsonii   (Paxton
Paxton
(0-0)
Botanical-short: Paxton
)
R. iteophyllum   (Hutch.
John Hutchinson
(1884-1972)
England, Blindburn
Botanical-short: Hutch.
)
In cultivation since: 1845

First described: 1832, (Wall.
Nathaniel Wallich
(1786-1854)
Copenhagen, Danmark
Botanical-short: Wall.
)

Origin: N.E. India 600-1800 meter

Corolla: open funnel-campanulate
Leaves: narrowly elliptic

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

Winter: evergreen
Bloomtime: unknown
Hardiness: H2
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: 7
R. formosum var formosum per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 2
Canada : 1
England : 1
France : 1
United States : 1
Denmark : 1



Clones / selections
'Lucy Elizabeth', unknown, ,


Send questions, information or pictures

Rhododendron formosum var formosum
Photo byHank Helm
Date
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
See high-resolution version
Rhododendron formosum var formosum
Photo byGarth Wedemire
Date28 April, 2007
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
See high-resolution version
Rhododendron formosum var formosum
Photo byRinus Manders
Date13 May, 2012
LocationLogan Botanic Garden, Scotland, UK
See high-resolution version
Rhododendron formosum var formosum
Photo byRinus Manders
Date13 May, 2012
LocationLogan Botanic Garden, Scotland, UK
See high-resolution version
Rhododendron formosum var formosum
81-122 RSBG
Photo byGarth Wedemire
Date15 April, 2006
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
See high-resolution version
Rhododendron formosum var formosum
Photo byGarth Wedemire
Date28 April, 2007
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
See high-resolution version
Rhododendron formosum var formosum
Photo byHank Helm
Date
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
See high-resolution version




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


Anne Teese
), Teese A.J., Monbulk, Voctoria, Australia
R. ciliicalyx ssp ciliicalyx x R. formosum var formosum
'formosum x dendrocharis', Cox, Peter A., Glendoick, ScotlandR. formosum var formosum x R. dendrocharis
'Fragrantissimum' (photoClick to see more information


Fragrantissimum
), 1868, Rollisson & Sons, W., Springfield Nursery, Upper Tooting, London, England
R. edgeworthii x R. formosum var formosum
'Fragrantissimum Improved' (photoClick to see more information


Fragrantissimum Improved
), No hybridiser registered, ,
R. edgeworthii x R. formosum var formosum
'Helena', 1934, Ramsden, Sir John, Muncaster Castle, UKR. edgeworthii x R. formosum var formosum
'Lady Alice Fitzwilliam' (photoClick to see more information


Lady Alice Fitzwilliam
), 1881, Fisher, L. Son & Sibray, ,
R. edgeworthii x R. formosum var formosum
'Rohan Aidan', 1995, O'Shannassy, J., , R. formosum var formosum x 'Anne Teese'
'Sesterianum' (photoClick to see more information


Sesterianum
), 1862, Firma S. Rinz, ,
R. edgeworthii x R. formosum var formosum
'Tyermannii' (photoClick to see more information


Tyermannii
), 1889, Tyerman, ,
R. nuttallii x R. formosum var formosum
'Will-o'-the-Wisp', 1994, unknown, , R. minus var minus x R. formosum var formosum


Indirect involvement of R. formosum var formosum in cultivars: (cultivar = direct child/cultivar of formosum var formosum)
'Rohan Aidan', 1995, O'Shannassy, J., , R. formosum var formosum x 'Anne Teese'
'Fragrantissimum x burmanicum', No hybridiser registered, , 'Fragrantissimum' x R. burmanicum
'Martha Wright' (photoClick to see more information


Martha Wright
), 1963, Sumner, M.H. & Mrs. F, San Francisco, California, USA
R. burmanicum x 'Fragrantissimum'
'Actress' (photoClick to see more information


Actress
), 1964, Harrison, E.G.W.W., Bodmin, Cornwall, England
'Lady Alice Fitzwilliam' x R. edgeworthii
'Bert's Own', 1987, Evans, J.B., Budock, Falmouth, Cornwall, EnglandR. edgeworthii x 'Lady Alice Fitzwilliam'
'Nancy Fortescue', 1960, Fortescue, L.S., , R. cinnabarinum ssp xanthocodon Concatenans Group x 'Lady Alice Fitzwilliam'
'Olive Egan', 1978, Egan, E.K., , 'Gable's Pioneer' x 'Lady Alice Fitzwilliam'
'Tropicana', 1963, Haworth-Booth, M., Farall Nurseries, Surrey, England'Lady Alice Fitzwilliam' x R. maddenii ssp crassum
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009