Rhododendron tomentosum Harmaja
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'Rhododendron tomentosum' from the website Trees and Shrubs Online (treesandshrubsonline.
Genus
- Rhododendron
- Subsect. Ledum
Infraspecifics
Other species in genus
- Rhododendron aberconwayi
- Rhododendron acuminatum
- Rhododendron adenogynum
- Rhododendron adenopodum
- Rhododendron adenosum
- Rhododendron aequabile
- Rhododendron afghanicum
- Rhododendron aganniphum
- Rhododendron agastum
- Rhododendron × agastum
- Rhododendron alabamense
- Rhododendron albertsenianum
- Rhododendron albiflorum
- Rhododendron albrechtii
- Rhododendron album
- Rhododendron alticolum
- Rhododendron alutaceum
- Rhododendron amagianum
- Rhododendron ambiguum
- Rhododendron amesiae
- Rhododendron anagalliflorum
- Rhododendron annae
- Rhododendron anthopogon
- Rhododendron anthopogonoides
- Rhododendron anthosphaerum
- Rhododendron anwheiense
- Rhododendron aperantum
- Rhododendron araiophyllum
- Rhododendron arborescens
- Rhododendron arboreum
- Rhododendron arfakianum
- Rhododendron argipeplum
- Rhododendron argyrophyllum
- Rhododendron arizelum
- Rhododendron armitii
- Rhododendron atlanticum
- Rhododendron atropurpureum
- Rhododendron atrovirens
- Rhododendron augustinii
- Rhododendron aureum
- Rhododendron auriculatum
- Rhododendron aurigeranum
- Rhododendron auritum
- Rhododendron austrinum
- Rhododendron baenitzianum
- Rhododendron bagobonum
- Rhododendron baileyi
- Rhododendron bainbridgeanum
- Rhododendron balangense
- Rhododendron balfourianum
- Rhododendron barbatum
- Rhododendron basilicum
- Rhododendron batemanii
- Rhododendron bathyphyllum
- Rhododendron beanianum
- Rhododendron beesianum
- Rhododendron beyerinckianum
- Rhododendron bhutanense
- Rhododendron blackii
- Rhododendron boothii
- Rhododendron brachyanthum
- Rhododendron brachycarpum
- Rhododendron bracteatum
- Rhododendron brevistylum
- Rhododendron brookeanum
- Rhododendron bryophilum
- Rhododendron bureavii
- Rhododendron bureavioides
- Rhododendron burmanicum
- Rhododendron burttii
- Rhododendron buxifolium
- Rhododendron caesium
- Rhododendron calendulaceum
- Rhododendron caliginis
- Rhododendron callimorphum
- Rhododendron calophytum
- Rhododendron calostrotum
- Rhododendron caloxanthum
- Rhododendron calvescens
- Rhododendron camelliiflorum
- Rhododendron campanulatum
- Rhododendron campylocarpum
- Rhododendron campylogynum
- Rhododendron camtschaticum
- Rhododendron canadense
- Rhododendron canescens
- Rhododendron capitatum
- Rhododendron carneum
- Rhododendron carolinianum
- Rhododendron carrii
- Rhododendron carringtoniae
- Rhododendron catacosmum
- Rhododendron catawbiense
- Rhododendron caucasicum
- Rhododendron cephalanthum
- Rhododendron cerasinum
- Rhododendron chaetomallum
- Rhododendron chamaethomsonii
- Rhododendron championiae
- Rhododendron charitopes
- Rhododendron chionanthum
- Rhododendron chlorops
- Rhododendron christi
- Rhododendron christianae
- Rhododendron chryseum
- Rhododendron chrysodoron
- Rhododendron ciliatum
- Rhododendron ciliicalyx
- Rhododendron cinnabarinum
- Rhododendron citriniflorum
- Rhododendron clementinae
- Rhododendron coelicum
- Rhododendron coeloneuron
- Rhododendron collettianum
- Rhododendron commonae
- Rhododendron complexum
- Rhododendron concinnum
- Rhododendron coriaceum
- Rhododendron coryanum
- Rhododendron cowanianum
- Rhododendron coxianum
- Rhododendron crassifolium
- Rhododendron crassum
- Rhododendron crinigerum
- Rhododendron cruttwellii
- Rhododendron cuffeanum
- Rhododendron culminicolum
- Rhododendron cumberlandense
- Rhododendron cuneatum
- Rhododendron cyanocarpum
- Rhododendron dalhousiae
- Rhododendron dasypetalum
- Rhododendron dauricum
- Rhododendron davidii
- Rhododendron davidsonianum
- Rhododendron decandrum
- Rhododendron × decipiens
- Rhododendron decorum
- Rhododendron degronianum
- Rhododendron dendricola
- Rhododendron dendrocharis
- Rhododendron denudatum
- Rhododendron desquamatum
- Rhododendron detonsum
- Rhododendron dianthosmum
- Rhododendron diaprepes
- Rhododendron dichroanthum
- Rhododendron dielsianum
- Rhododendron dignabile
- Rhododendron dilatatum
- Rhododendron dimitrium
- Rhododendron diphrocalyx
- Rhododendron discolor
- Rhododendron dryophyllum
- Rhododendron eclecteum
- Rhododendron × edgarianum
- Rhododendron edgeworthii
- Rhododendron elegantulum
- Rhododendron elliottii
- Rhododendron ericoides
- Rhododendron eriocarpum
- Rhododendron eriogynum
- Rhododendron erosum
- Rhododendron × erythrocalyx
- Rhododendron esetulosum
- Rhododendron eudoxum
- Rhododendron eurysiphon
- Rhododendron exasperatum
- Rhododendron excellens
- Rhododendron faberi
- Rhododendron facetum
- Rhododendron falconeri
- Rhododendron fallacinum
- Rhododendron fargesii
- Rhododendron farrerae
- Rhododendron fastigiatum
- Rhododendron faucium
- Rhododendron ferrugineum
- Rhododendron fictolacteum
- Rhododendron flammeum
- Rhododendron flavidum
- Rhododendron fletcherianum
- Rhododendron flinckii
- Rhododendron floccigerum
- Rhododendron floribundum
- Rhododendron flumineum
- Rhododendron formosanum
- Rhododendron formosum
- Rhododendron forrestii
- Rhododendron fortunei
- Rhododendron fragariiflorum
- Rhododendron fulgens
- Rhododendron fulvastrum
- Rhododendron fulvum
- Rhododendron galactinum
- Rhododendron gardenia
- Rhododendron genestierianum
- Rhododendron giulianettii
- Rhododendron glanduliferum
- Rhododendron glaucophyllum
- Rhododendron glischroides
- Rhododendron glischrum
- Rhododendron goodenoughii
- Rhododendron goreri
- Rhododendron gracilentum
- Rhododendron grande
- Rhododendron griersonianum
- Rhododendron griffithianum
- Rhododendron groenlandicum
- Rhododendron grothausii
- Rhododendron gymnocarpum
- Rhododendron habrotrichum
- Rhododendron haematodes
- Rhododendron hanceanum
- Rhododendron haofui
- Rhododendron headfortianum
- Rhododendron hedyosmum
- Rhododendron heftii
- Rhododendron heliolepis
- Rhododendron hellwigii
- Rhododendron hemitrichotum
- Rhododendron hemsleyanum
- Rhododendron herzogii
- Rhododendron hidakanum
- Rhododendron × hillieri
- Rhododendron himantodes
- Rhododendron hippophaeoides
- Rhododendron hirsutum
- Rhododendron hirtipes
- Rhododendron hodgsonii
- Rhododendron hongkongense
- Rhododendron hooglandii
- Rhododendron hookeri
- Rhododendron horlickianum
- Rhododendron houlstonii
- Rhododendron huianum
- Rhododendron hunnewellianum
- Rhododendron hyacinthosmum
- Rhododendron hylaeum
- Rhododendron hyperythrum
- Rhododendron hypoleucum
- Rhododendron imberbe
- Rhododendron impeditum
- Rhododendron imperator
- Rhododendron inconspicuum
- Rhododendron indicum
- Rhododendron inopinum
- Rhododendron insigne
- Rhododendron intranervatum
- Rhododendron intricatum
- Rhododendron irroratum
- Rhododendron japonicum
- Rhododendron jasminiflorum
- Rhododendron javanicum
- Rhododendron johnstoneanum
- Rhododendron kaempferi
- Rhododendron kanehirae
- Rhododendron kawakamii
- Rhododendron keiskei
- Rhododendron keleticum
- Rhododendron kendrickii
- Rhododendron kesangiae
- Rhododendron keysii
- Rhododendron kiusianum
- Rhododendron kiyosumense
- Rhododendron kongboense
- Rhododendron konori
- Rhododendron kyawii
- Rhododendron lacteum
- Rhododendron laetum
- Rhododendron lagopus
- Rhododendron lanatoides
- Rhododendron lanatum
- Rhododendron lanceolatum
- Rhododendron lanigerum
- Rhododendron lapponicum
- Rhododendron latoucheae
- Rhododendron laudandum
- Rhododendron lepidostylum
- Rhododendron lepidotum
- Rhododendron leptanthum
- Rhododendron leptocarpum
- Rhododendron leptothrium
- Rhododendron leucaspis
- Rhododendron leucogigas
- Rhododendron levinei
- Rhododendron lindaueanum
- Rhododendron lindleyi
- Rhododendron lochiae
- Rhododendron longesquamatum
- Rhododendron longiflorum
- Rhododendron longipes
- Rhododendron longistylum
- Rhododendron loranthiflorum
- Rhododendron lowii
- Rhododendron lowndesii
- Rhododendron luciferum
- Rhododendron ludlowii
- Rhododendron ludwigianum
- Rhododendron lukiangense
- Rhododendron luraluense
- Rhododendron luteiflorum
- Rhododendron lutescens
- Rhododendron luteum
- Rhododendron lyi
- Rhododendron lysolepis
- Rhododendron macabeanum
- Rhododendron macgregoriae
- Rhododendron macrophyllum
- Rhododendron macrosepalum
- Rhododendron maculiferum
- Rhododendron maddenii
- Rhododendron magnificum
- Rhododendron maius
- Rhododendron makinoi
- Rhododendron malayanum
- Rhododendron mallotum
- Rhododendron mariesii
- Rhododendron martinianum
- Rhododendron maximum
- Rhododendron maybarae
- Rhododendron meddianum
- Rhododendron megacalyx
- Rhododendron megeratum
- Rhododendron mekongense
- Rhododendron micranthum
- Rhododendron microgynum
- Rhododendron micromalayanum
- Rhododendron microphyton
- Rhododendron mimetes
- Rhododendron minus
- Rhododendron molle
- Rhododendron mollicomum
- Rhododendron mollyanum
- Rhododendron monosematum
- Rhododendron montroseanum
- Rhododendron morii
- Rhododendron moulmainense
- Rhododendron moupinense
- Rhododendron mucronatum
- Rhododendron mucronulatum
- Rhododendron multicolor
- Rhododendron multinervium
- Rhododendron myrtifolium
- Rhododendron nakaharae
- Rhododendron nakotiltum
- Rhododendron neoglandulosum
- Rhododendron neriiflorum
- Rhododendron nervulosum
- Rhododendron nigroglandulosum
- Rhododendron nipponicum
- Rhododendron nitidulum
- Rhododendron nivale
- Rhododendron niveum
- Rhododendron noriakianum
- Rhododendron notiale
- Rhododendron nudipes
- Rhododendron nuttallii
- Rhododendron oblongifolium
- Rhododendron obtusum
- Rhododendron occidentale
- Rhododendron ochraceum
- Rhododendron oldhamii
- Rhododendron orbiculare
- Rhododendron orbiculatum
- Rhododendron oreodoxa
- Rhododendron oreotrephes
- Rhododendron orthocladum
- Rhododendron ovatum
- Rhododendron pachypodum
- Rhododendron pachysanthum
- Rhododendron pachytrichum
- Rhododendron papillatum
- Rhododendron paradoxum
- Rhododendron parmulatum
- Rhododendron parryae
- Rhododendron parvifolium
- Rhododendron pauciflorum
- Rhododendron pemakoense
- Rhododendron pendulum
- Rhododendron pentaphyllum
- Rhododendron perakense
- Rhododendron peregrinum
- Rhododendron periclymenoides
- Rhododendron phaeochitum
- Rhododendron phaeochrysum
- Rhododendron piercei
- Rhododendron pingianum
- Rhododendron × planecostatum
- Rhododendron planetum
- Rhododendron pleianthum
- Rhododendron pleistanthum
- Rhododendron pocophorum
- Rhododendron poluninii
- Rhododendron polyanthemum
- Rhododendron polycladum
- Rhododendron polylepis
- Rhododendron ponticum
- Rhododendron praestans
- Rhododendron praeteritum
- Rhododendron praetervisum
- Rhododendron praevernum
- Rhododendron prattii
- Rhododendron preptum
- Rhododendron primuliflorum
- Rhododendron principis
- Rhododendron prinophyllum
- Rhododendron pronum
- Rhododendron proteoides
- Rhododendron protistum
- Rhododendron pruniflorum
- Rhododendron prunifolium
- Rhododendron przewalskii
- Rhododendron pseudochrysanthum
- Rhododendron pubescens
- Rhododendron pudorosum
- Rhododendron pulchrum
- Rhododendron pumilum
- Rhododendron purdomii
- Rhododendron purpureiflorum
- Rhododendron quadrasianum
- Rhododendron quinquefolium
- Rhododendron racemosum
- Rhododendron ramsdenianum
- Rhododendron rarilepidotum
- Rhododendron rarum
- Rhododendron recurvoides
- Rhododendron reticulatum
- Rhododendron retivenium
- Rhododendron retusum
- Rhododendron rex
- Rhododendron rhodoleucum
- Rhododendron rigidum
- Rhododendron ripense
- Rhododendron ririei
- Rhododendron robinsonii
- Rhododendron roseatum
- Rhododendron rothschildii
- Rhododendron roxieanum
- Rhododendron rubiginosum
- Rhododendron rubineiflorum
- Rhododendron rubropilosum
- Rhododendron rufum
- Rhododendron rugosum
- Rhododendron rupicola
- Rhododendron russatum
- Rhododendron saisiuense
- Rhododendron saluenense
- Rhododendron sanctum
- Rhododendron sanguineum
- Rhododendron santapaui
- Rhododendron sargentianum
- Rhododendron saxicolum
- Rhododendron saxifragoides
- Rhododendron sayeri
- Rhododendron scabridibracteum
- Rhododendron scabrifolium
- Rhododendron scabrum
- Rhododendron schlippenbachii
- Rhododendron schoddei
- Rhododendron scintillans
- Rhododendron scopulorum
- Rhododendron searleanum
- Rhododendron searsiae
- Rhododendron seinghkuense
- Rhododendron selense
- Rhododendron semibarbatum
- Rhododendron semnoides
- Rhododendron serotinum
- Rhododendron serpyllifolium
- Rhododendron sessilifolium
- Rhododendron setosum
- Rhododendron × sheilae
- Rhododendron shepherdii
- Rhododendron sherriffii
- Rhododendron shweliense
- Rhododendron sidereum
- Rhododendron siderophyllum
- Rhododendron sikangense
- Rhododendron simiarum
- Rhododendron simsii
- Rhododendron sinofalconeri
- Rhododendron sinogrande
- Rhododendron smirnowii
- Rhododendron × sochadzeae
- Rhododendron solitarium
- Rhododendron sororium
- Rhododendron souliei
- Rhododendron sperabile
- Rhododendron sperabiloides
- Rhododendron sphaeroblastum
- Rhododendron spiciferum
- Rhododendron spilotum
- Rhododendron spinuliferum
- Rhododendron stamineum
- Rhododendron stapfianum
- Rhododendron stenopetalum
- Rhododendron stenophyllum
- Rhododendron stevensianum
- Rhododendron stewartianum
- Rhododendron strigillosum
- Rhododendron suaveolens
- Rhododendron subansiriense
- Rhododendron subsessile
- Rhododendron succothii
- Rhododendron sulfureum
- Rhododendron sumatranum
- Rhododendron superbum
- Rhododendron sutchuenense
- Rhododendron taggianum
- Rhododendron taliense
- Rhododendron tanastylum
- Rhododendron tapetiforme
- Rhododendron tashiroi
- Rhododendron tatsienense
- Rhododendron telmateium
- Rhododendron temenium
- Rhododendron tephropeplum
- Rhododendron thayerianum
- Rhododendron thomsonii
- Rhododendron thymifolium
- Rhododendron tolmachevii
- Rhododendron tosaense
- Rhododendron traillianum
- Rhododendron trichanthum
- Rhododendron trichocladum
- Rhododendron trichostomum
- Rhododendron triflorum
- Rhododendron tsariense
- Rhododendron tschonoskii
- Rhododendron tschonoskyi
- Rhododendron tsusiophyllum
- Rhododendron tuba
- Rhododendron ungernii
- Rhododendron uniflorum
- Rhododendron uvariifolium
- Rhododendron vaccinioides
- Rhododendron valentinianum
- Rhododendron vaseyi
- Rhododendron veitchianum
- Rhododendron venator
- Rhododendron vernicosum
- Rhododendron verruculosum
- Rhododendron versteegii
- Rhododendron vesiculiferum
- Rhododendron vialii
- Rhododendron vilmorinianum
- Rhododendron virgatum
- Rhododendron viridescens
- Rhododendron viscidifolium
- Rhododendron viscosum
- Rhododendron vitis-idaea
- Rhododendron wadanum
- Rhododendron wallichii
- Rhododendron walongense
- Rhododendron wardii
- Rhododendron wasonii
- Rhododendron watsonii
- Rhododendron websterianum
- Rhododendron weyrichii
- Rhododendron wightii
- Rhododendron williamsianum
- Rhododendron williamsii
- Rhododendron wilsoniae
- Rhododendron wiltonii
- Rhododendron womersleyi
- Rhododendron wongii
- Rhododendron wrightianum
- Rhododendron x
- Rhododendron xanthocodon
- Rhododendron xanthostephanum
- Rhododendron yakushimanum
- Rhododendron yedoense
- Rhododendron yelliotii
- Rhododendron yongii
- Rhododendron yungningense
- Rhododendron yunnanense
- Rhododendron zaleucum
- Rhododendron zeylanicum
- Rhododendron zoelleri
Small, erect or decumbent shrub, 0.3-1.2 m; young shoots ferruginous-lanate, glandular. Leaves 0.6-5 x 0.1-0.5(-1.2) cm, linear to narrowly elliptic-oblong, margin strongly revolute, upper surface dark green, dull, lower surface densely ferrugineous-lanate, epidermis with or without short setulose hairs, sometimes also with reddish glands, scales rimless, golden. Flowers many, in a loose terminal umbellate corymb; calyx minute; corolla white, rotate, 4-8 mm; stamens 7-10; ovary glandular, style glabrous. Flowering June-July. Royal Horticultural Society (1997)
Distribution Holarctic
Habitat s.l.-2,000 m
RHS Hardiness Rating H6
Conservation status Least concern (LC)
subsp. subarcticum (Harmaja) G.Wallace
Leaves 0.6-2 x 0.1-0.3cm, lower epidermis with few or no setulose hairs.
Distribution Arctic regions of Europe, America and Russia, also Japan (Hokkaido) and Korea.
subsp. tomentosum
Leaves 1.2-5 x 0.2-0.5(-1.2)cm, lower epidermis covered with short setulose hairs.
Distribution N & C Europe, Russia (European part, extending to S Siberia).
Habitat s.l.-2,000m.
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