Rhododendron Species


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R. maddenii ssp maddenii

SubgenusRhododendron
SectionRhododendron
SubsectionMaddeniaClick to see all Maddenia
Synonyms
R. brachysiphon   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
)
R. brevitubum   (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
& Cooper
Roland Edgar Cooper
(1890-1962)
Botanical-short: Cooper
)
R. calophyllum   (Nutt.
Thomas Nuttall
(1786-1859)
England, Yorkshire
Botanical-short: Nutt.
)
R. jenkinsii   (Nutt.
Thomas Nuttall
(1786-1859)
England, Yorkshire
Botanical-short: Nutt.
)
R. macranthum   (Griff.
William Griffith
(1810-1845)
UK
Botanical-short: Griff.
)
R. maddenii var longiflorum   (Watson
William Watson
(0-0)
Botanical-short: Watson
)
R. polyandrum   (Hutch.
John Hutchinson
(1884-1972)
England, Blindburn
Botanical-short: Hutch.
)
In cultivation since: 1849

First described: 1849, (Hook. f.
Sir Joseph Dalton Hooker
(1817-1911)
England, Suffolk
Botanical-short: Hook. f.
)

Origin: W. Arunachal Pradesh, Bhutan, Sikkim

Corolla: funnel-shaped
Leaves: lanceolate

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
: 500 cm. (17ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 9
R. maddenii ssp maddenii per country:
(could be a clue for heat/cold-tolerance)

United States : 5
Norway : 1
England : 1
France : 1
Netherlands : 1



Clones / selections
'Ascreavie', 1978, Hardy, Maj. A.E., Hythe, Kent, UK
'Kotuko', 1991, Dunedin Rhododendron Group, ,


Send questions, information or pictures

Rhododendron maddenii ssp maddenii
Photo byunknown
Date
Location
Rhododendron maddenii ssp maddenii
Photo of R. brachysiphon
Photo byTijs Huisman
Date27 May, 2008
LocationRhododendron Park Bremen
See high-resolution version
Rhododendron maddenii ssp maddenii
Photo of R. brachysiphon
Photo byTijs Huisman
Date27 May, 2008
LocationRhododendron Park Bremen
See high-resolution version




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


Barbara Jury
), 1982, Jury F. M., ,
R. maddenii ssp maddenii x 'Sirius'
'Bernice' (photoClick to see more information


Bernice
), 1982, Jury F. M., ,
R. maddenii ssp maddenii x 'Royal Flush Group'
'Chalice', 1932, Clarke, S.R., Borde Hill, West Sussex, EnglandR. cinnabarinum ssp cinnabarinum x R. maddenii ssp maddenii
'Felicity Fair' (photoClick to see more information


Felicity Fair
), 1982, Jury F. M., ,
R. maddenii ssp maddenii x 'Sirius'
'Greenthroat', 1972, Eaton, G., , R. maddenii ssp maddenii x ?
'King Fisher', 1985, Ramsden, Sir John, Muncaster Castle, UKR. heliolepis var heliolepis x R. maddenii ssp maddenii
'Lady Galway', 1850, No hybridiser registered, , R. maddenii ssp maddenii x ?
'Lambourn', 1962, Crown Estate Commissioners, Windsor, Berkshire, England'Lady Chamberlain Group' x R. maddenii ssp maddenii
'Nutcracker', 1976, Hardy, G.A., , R. nuttallii x R. maddenii ssp maddenii
'Obtusum', 1869, No hybridiser registered, , R. maddenii ssp maddenii x ?
'Rose Mangles', unknown, , R. cinnabarinum ssp cinnabarinum x R. maddenii ssp maddenii
'Royal Flush Group', 1926, Williams, John Charles, Caerhays, Cornwall, EnglandR. cinnabarinum ssp cinnabarinum x R. maddenii ssp maddenii
'Selig' (photoClick to see more information


Selig
), 1920, Loder, Sir Edmund, Horsham, Sussex, England
R. maddenii ssp maddenii x R. cinnabarinum ssp cinnabarinum
Hybrids where clones/selections of R. maddenii ssp maddenii are involved (alphabetical per clone)
'Anne-Marie Simm', 1987, Garbutt, T.A., , R. maddenii ssp maddenii 'Kotuko' x R. maddenii ssp maddenii Polyandrum Group
'Blue Mist', 1960, Balch, R.W., Parks & Garden Dept., Dunedin, New ZealandR. augustinii ssp chasmantum x R. maddenii ssp maddenii 'Kotuko'


Indirect involvement of R. maddenii ssp maddenii in cultivars: (cultivar = direct child/cultivar of maddenii ssp maddenii)
'Bernice' (photoClick to see more information


Bernice
), 1982, Jury F. M., ,
R. maddenii ssp maddenii x 'Royal Flush Group'
'Bodnant Yellow', 1935, Aberconway, Lord, Bodnant, Tal-y-Cafn, WalesR. cinnabarinum ssp cinnabarinum x 'Royal Flush Group'
'First Love', 1965, Henny, Rudolph, Brooks, Oregon, USAR. oreotrephes x 'Royal Flush Group'
'Goldstrike' (photoClick to see more information


Goldstrike
), 1961, Henny, Rudolph, Brooks, Oregon, USA
R. oreotrephes x 'Royal Flush Group'
'Lady Berrry', 1935, Rothschild, L. de, Founder of Exbury Gardens, UK'Rosy Bell' x 'Royal Flush Group'
'Lady Berry Group', 1935, Rothschild, L. de, Founder of Exbury Gardens, UK'Rosy Bell' x 'Royal Flush Group'
'Lady Chamberlain Group' (photoClick to see more information


Lady Chamberlain Group
), 1931, Rothschild, L. de, Founder of Exbury Gardens, UK
R. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Lady Chamberlain Seville', 1958, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Lady Rosebery', 1930, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Lady Rosebery Dalmeny', 1958, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Lady Rosebery Etna', 1958, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Lady Rosebery Group', 1930, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Pink Lady Rosebery', 1955, Sunningdale Nursery, , R. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Salmon Trout', 1930, Rothschild, L. de, Founder of Exbury Gardens, UKR. cinnabarinum ssp cinnabarinum Roylei Group x 'Royal Flush Group'
'Transit Gold' (photoClick to see more information


Transit Gold
), 1963, Holland, S., ,
'Royal Flush Group' x R. cinnabarinum ssp xanthocodon
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009