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Rhododendron auriculatum R. auritum Til A R. x nikomontanum

Rhododendron auriculatum

R. auriculatum sent i Juli, photo: Bjørn Roepstorff
R. auriculatum sent i Juli. Foto: Bjørn Roepstorff

R. auriculatum, photo: Hank Helm
R. auriculatum. Foto: Hank Helm

R. auriculatum, photo: Hans Eiberg
R. auriculatum blomsterknop Foto: Hans Eiberg

R. auriculatum, photo: Hans Eiberg
R. auriculatum. Foto: Hans Eiberg

R. auriculatum, photo: Hans Eiberg
R. auriculatum. Foto: Hans Eiberg

R. auriculatum, photo: Hans Eiberg
R. auriculatum. Foto: Hans Eiberg

R. auriculatum pink, photo:  Harold Greer
R. auriculatum, pink hos Harold Greer. Foto: Harold Greer

R. auriculatum,  rose 'Grieg form'  RSF 81/025. Foto: Hank Helm
R. auriculatum, rose 'Grieg form' RSF 81/025. Foto: Hank Helm

R. auriculatum. Foto: Ole Rolf Jacobsen
R. auriculatum at M A
R. auriculatum at Mike
R. auriculatum Greig form

R. auriculatum (Auriculata) ( -20 C) En stor åben busk eller et lille træ, med store matgrønne blade. Som den eneste repræsentant i sin serie, er planten især værdsat på grund af sin sene blomstring. Den nye vækst er kobberfarvet eller rødlig, med lakrøde knopskæl op langs skuddet, og sætter i gang samtidig med blomstringen i jul-aug, de store hvide blomster har rødlig eller grønlig bund og en stærk sødlig og aromatisk duft. Desværre er de ikke særlig holdbare overfor vejrliget, men på den årstid ligger det lidt tungt med sammenligningsgrundlag. Ø Sichuan, Hupeh 600 - 2000 m. Tue Jørgensen
Kendetegnet for arten er de lange ydre knopskæl, de tæt siddende og langhårede kirtler på bladstilkene, samt de lange blade med ører ved bladbasis. De planter der mangler disse træk er ofte hybrider med R. fortunei ssp. discolor. Jeg vil ikke afvise at der er findes variationer indenfor arten eller mellem arter der er mellemformer uden dog at være hybrider. Tætbeslægtede arter er R. glanduliferum og R. magniflorum

BASTA planteskole sælger en mere smaldbladet form af R. auriculatum uden "ører", denne variant er måske en R. glanduliferum (Fortunea) eller R. chihsinianum (Auriculata). Hans Eiberg

R. auriculatum, samlemappen : login

ARS Flora of China D. Genbank FLPH
Kew's Herbarium
China Herbarium
R. auriculatum Aff. PW52 fra RSBG. These are seedlings grown from seed collected wild at 4,800 ft. in the Dalou Shan region of northern Guizhou Province, China. This may be R. auriculatum or a closely related or even new taxon. R. auriculatum is a highly desirable species with large attractive foliage and magnificent large and fragrant, white to light pink flowers in mid- to late summer. The seed was collected as davidii aff. from a large tree about 45 ft. high growing in a rhododendron forest on a SW facing slope. 221sd95 PW#52:RSBG (0?\R1\6). Large vigorous seedlings. Steven Hootmann, RSBG
The RSF lists a number of species as 'Greig form', and I expect this auriculatum may also be from Mary and Ted Greig's nursery in Royston.   Ted and Mary made a number of crosses using a pink form of auriculatum.   Jim Greig or Bob Rhodes (or perhaps both of them) have plants of this pink form taken from the original.
The Greig's nursery in the 1930's got seed from the RBG Edinburgh, supported the expeditions of Kingdon-Ward and Rock, and imported plants from Sunningdale Nursery in England. So where this pink form came from or who collected it, I couldn't say.
Al Campbell

The pink auriculatum is from the Greig's. It is the same clone that is growing in the Asian garden at UBC. It keys perfectly to auriculatum and matches the description verbatim. There is another pink "auriculatum" at UBC which is an obvious auriculatum x griersonianum hybrid. It is the very splashy one that is quite visible from the path. The plant which I am assuming is the Greig form (it is identical to our clone) is off the path and under some trees.
Steve