Subsection Maddenia
Buske ikke hårdfør i Danmark.
Subsection Maddenia
Buske eller små træer, 0,3–4(–8) m høje; epifytisk eller vikser på jorden; unge skud med skæl, ofte brune, ellers glatte, stive eller hårede. Læderagtige blade; blad undersiden sidder skællene tætte af ulige størrelse, ellers ofte glatte undtagen midtribben; bladoverflade ofte glat, nogle gange skællende og/eller behåret. Blomsterstandsende, bred og stor skærm eller kort klase, 1–5(–11)-blomstret. Bæger udviklet eller ej, 1–30 mm, 5-fliget, randhåret eller ej; kronen rørformet til tragtformet, hvid eller gul, nogle gange lyserød, sjældent bleg lilla eller rød, ydre overflade sædvanligvis skællende, behåret i røret; støvdragere (9–)10 (15–25 i R. maddenii); ovarie 5- eller 6- cellet (10-12 cellet for R. maddenii); Griflen sjældent kortere end støvdragere, let buet, nederste del skællende, sjældent glat. Kapsel ofte stor, ægformet til cylindrisk, 5–50(–70) mm, tæt skællende. Frø vingede, med flipperlignende struktur.
Omkring 45 arter: Bhutan, Kina, Indien, Laos, Myanmar, Nepal, Sikkim, Thailand, Vietnam; 34 arter (18 endemiske) i Kina.
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R. chapaense
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● = på listen over truede arter (The Red List of Rhododendrons)
● = ikke på listen over truede arter
Section Maddenia
Subsection Maddenia
A – Maddenii alliance
R. maddenii
— ssp. crassum
— var. chapaense
— var. manipurense
— ssp. maddenii
— f. intermedium
— f. odoriferum
— f. supranubium
B – Dalhousiae alliance
R. chunienii
R. dalhousiae
— var. dalhousiae
— var. rhabdotum
R. excellens
R. headfortianum *
R. kiangsiense
R. levinei
R. liliiflorum
— aff.
R. lindleyi
R. nuttallii
R. sinonuttallii
R. taggianum
Megacalyx alliance
R. megacalyx
C1 – Ciliicalyx aggregat og Johnstoneanum alliance
R. burmanicum
R. changii
R. ciliatum
R. coxianum
R. fletcherianum
R. scopulorum
R. valentinianum
R. yungshangense *
Johnstoneanum aggregate
R. dendricola
R. johnstoneanum
R. walongense
C2 – Ciliicalyx aggregate
R. formosum
— var. formosum
— var. iteophyllum
— var. inaequale
R. leptocladon
R. pachypodum
C3 – Ciliicalyx aggregate
R. carneum
R. ciliicalyx
— ssp. ciliicalyx
— ssp. lyi
R. horlickianum
R. ludwigianum
R. parryae
R. pseudociliipes
R. roseatum
R. veitchianum
— var. cubittii
Ikke placeret
R. linearilobum *
R. zihangense*
R. yaogangxianense *
R. ciliipes
R. rhombifolium *
R. taronense
R. wumingense
—–
R. amandum *
R. crenulatum
R. cuffeanum *
R. fleuryi
R. goreri *
R. grothausii *R. mianningense -> Lapponica RAN674 (10N) OJL
R. nemorosum *
R. rufosquamosum *
R. surasianum
R. yizangense *
R. yungchangense *
* = fotos ønskes
Subsection Maddenia in Flora of China
Maddenia nøgle på Dansk