Rhododendron loranthiflorum (Introduced- UK)

Rhododendron loranthiflorum Sleum., Notizbl. Bot. Gart. Berlin-Dahlem 12: 485 (1935); . Papua New Guinea (Goodenough Island) to Solomon Islands: Bismarck Archipelago, New Guinea, Solomon Is. as per POWO; . Rhododendron loranthiflorum Sleumer: 6 very high res. images. Location: Kew, London, UK Altitude: 19 m. Date: 04 April 2022 Habit : Cultivated / Labeled. It was labeled as Rhododendron loranthiflorum but […]

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Rhododendron scopulorum (Introduced- UK)

Rhododendron scopulorum Hutchinson, J.B.Stevenson, Spec. Rhododendron: 475 (1930) ; . SE. Tibet as per POWO; . Rhododendron scopulorum Hutch.: 5 very high res. images. Location: Kew, London, UK Altitude: 19 m. Date: 04 April 2022 Habit : Cultivated / Labeled . SK 3559 10 June 2022: 6 very high res. images. Location: Kew, London, UK Altitude: 19 m. Date: 04 April 2022 […]

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Rhododendron retusum (Introduced- UK)

Rhododendron retusum (Blume) Benn., Pl. Jav. Rar.: 86 (1838) (syn: Azalea retusa (Blume) Kuntze; Vireya retusa Blume); . Sumatera to Lesser Sunda Islands (Bali): Jawa, Lesser Sunda Is., Sumatera as per POWO; , Rhododendron retusum (Blume) Benn.: 5 very high res. images. Location: Kew, London, UK Altitude: 19 m. Date: 04 April 2022 Habit : Cultivated / Labeled.     […]

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Rhododendron macabeanum

Rhododendron macabeanum Watt ex I. B. Balf., Notes Roy. Bot. Gard. Edinburgh 12: 128 1920.; . E. Assam as per POWO; . NE-India (Manipur) as per CoL; . SK 3510 24 May 2022: 4 very high res. images. Location: Eden Project, Cornwall, UK Altitude: 60m. Date: 03 April 2022 Habit : Cultivated Which Rhododendron ?? I love Rhododendrons […]

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Rhododendron schlippenbachii (Introduced- UK)

Rhododendron schlippenbachii Maxim., Bull. Acad. Imp. Sci. Saint-Petersbourg 15: 226 1871. (syn: Azalea schlippenbachii (Maxim.) Kuntze; Rhododendron schlippenbachii f. albiflorum Y.N.Lee); . S. Russian Far East to N. China and Japan: Inner Mongolia, Japan, Korea, Manchuria, Primorye as per POWO; . Rhododendron schlippenbachii Maxim.: 4 very high res. images. Location: Eden Project, Cornwall, UK Altitude: 60m. Date: 03 April 2022 Habit : […]

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Rhododendron delavayi

Rhododendron delavayi Franch., Bull. Soc. Bot. France 33: 231 1886. (syn: Azalea delavayi (Franch.) Kuntze; Rhododendron arboreum subsp. delavayi (Franch.) D.F.Chamb.); . E. Himalaya to S. Central China (and NW. Guangxi) to Indo-China: Assam, China South-Central, China Southeast, East Himalaya, Myanmar, Thailand, Tibet, Vietnam as per POWO; . MS,April,2022/05 Rhododendron arboreum or delavayi for id.: 2 images. Location : Lurh […]

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Rhododendron rubiginosum (Introduced- USA)

Rhododendron rubiginosum Franch., Bull. Soc. Bot. France 34: 282–283 1887. (syn: Azalea rubiginosa (Franch.) Kuntze; Rhododendron catapastum Balf.f. & Forrest; Rhododendron desquamatum Balf.f. & Forrest; Rhododendron rubiginosum var. ptilostylum R.C.Fang; Rhododendron squarrosum Balf.f.; Rhododendron stenoplastum Balf.f. & Forrest); . Tibet to China (Sichuan, Yunnan) and Myanmar as per POWO; . Rhododendron rubiginosum from UCBG-GS29082021-6: 3 images- 2 high res. Rhododendron rubiginosumFranch. Evergreen shrub native […]

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Rhododendron quinquefolium (Introduced- USA)

Rhododendron quinquefolium Bisset & S. Moore, J. Bot. 15: 292 1877. ; . Japan (Honshu, Shikoku) as per POWO; . Rhododendron quinquefolium from UCBG-GS29082021-5: 2 high res. images. Rhododendron quinquefolium Bisset & S.Moore A Japanese species naturalized in Oregon, a bushy species often grown in pots with leaves tend to be occurring in groups of five and white flowers […]

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Rhododendron roseum (USA)

Rhododendron roseum (Loisel.) Rehd., E.H.Wilson & A.Rehder, Monogr. Azaleas: 138 (1921) (syn: Azalea prinophylla Small; Azalea rosea Loisel.; Rhododendron canescens Porter; Rhododendron prinophyllum (Small) Millais; Rhododendron roseum f. albidum Steyerm.; Rhododendron roseum f. lutescens Rehder; Rhododendron roseum f. plenum Rehder); . N. Central & E. U.S.A.: Alabama, Arkansas, Illinois, Kentucky, Missouri, New Hampshire, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Vermont, Virginia, West Virginia as per POWO; . […]

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Rhododendron pachypodum (Introduced- USA)

Rhododendron pachypodum I. B. Balf. & W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 9(44–45): 254–256 1916. (syn: Rhododendron pilicalyx Hutch.; Rhododendron rufosquamosum Hutch.; Rhododendron scottiatum Hutch.; Rhododendron supranubium Hutch.); . China (Yunnan) to NE. Myanmar: China South-Central, Myanmar as per POWO; . Rhododendron pachypodum from UCBG-GS29082021-3: 2 images. Rhododendron pachypodum I. B. Balfour & W. W. Smith Shrubs to small […]

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Rhododendron megeratum

Rhododendron megeratum I. B. Balf & Forrest, Notes Roy. Bot. Gard. Edinburgh 12(57–58): 140–143 1920. (syn: Rhododendron tapeinum Balf.f. & Farrer); . Arunachal Pradesh to China (NW. Yunnan): China South-Central, East Himalaya, Myanmar, Tibet as per POWO; . Common name: Megera Rhododendron . Rhododendron megeratum from UCBG-GS29082021-1: 2 images. Rhododendron megeratum Balf. f. & Forrest An interesting species of dwarf […]

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Rhododendron lutescens (Introduced- USA)

Rhododendron lutescens Franch., Bull. Soc. Bot. France 33: 235 1886. (syn: Rhododendron blinii H.Lév.; Rhododendron costulatum Franch.; Rhododendron lemeei H.Lév.); . China (W. Sichuan, Yunnan, Guizhou) as per POWO; . Rhododendron lutescens from UCBG-GS28082021-8: Rhododendron lutescens  Belonging to subsection triflora, is a straggling shrub from China. Photographed from University of California Botanical Garden, 24-4-2019.       . References: […]

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Rhododendron latoucheae (Introduced- USA)

Rhododendron latoucheae Franch., Bull. Soc. Bot. France 46: 210–211 1899. (syn: Azalea elliptica Kuntze; Rhododendron ellipticum Maxim.; Rhododendron ellipticum var. leptosanthum (Hayata) S.S.Ying; Rhododendron ellipticum var. tanakae (Hayata) S.S.Ying; Rhododendron latoucheae var. ionanthum (W.P.Fang) G.Z.Li; Rhododendron leiopodum Hayata; Rhododendron leptanthum Hayata; Rhododendron leptosanthum Hayata; Rhododendron tanakae Hayata; Rhododendron wilsoniae Hemsl. & E.H.Wilson; Rhododendron wilsoniae var. ionanthum W.P.Fang); . S. China, Nansei-shoto to Taiwan: China South-Central, China Southeast, Nansei-shoto, Taiwan as per POWO; . Rhododendron latoucheae […]

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Rhododendron augustinii (Introduced- USA)

Rhododendron augustinii Hemsl., J. Linn. Soc., Bot. 26(173): 19–20 1889. (syn: Azalea augustinii (Hemsl.) Kuntze; Rhododendron vilmorinianum Balf.f.); . Tibet to Central China: China North-Central, China South-Central, Tibet as per POWO; . Rhododendron augustinii from UCBG-GS28082021-1: 3 images. Rhododendron augustinii Hemsl. subsection Triflora A Chinese plant grown in University of California Botanical Garden, clicked on 21-4-2019.       […]

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Rhododendron arboreum subsp. zeylanicum

Rhododendron arboreum subsp. zeylanicum (Booth) Tagg, Species of Rhododendron 16 1930 (syn: Rhododendron zeylanicum Booth); . Sri Lanka as per CoL; . Rhododendron arboreum subsp. zeylanicum from UCBG-GS28082021-1: 3 images. Rhododendron arboreum subsp. zeylanicum (Booth) Tagg Syn: R. zeylanicum Booth Locally known as Maha Rath Mala, the tree is endemic to highlands of Sri Lanka. It is official Flower of Central […]

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Rhododendron bhutanense

Rhododendron bhutanense D. G. Long & Bowes Lyon, Notes Roy. Bot. Gard. Edinburgh 45: 327 1988 publ. 1989.; . East Himalaya as per POWO; . An alpine Rhododendron: 1 correct image as above. An alpine Rhododendron from Bumla pass- 14000ft, Arunachal pradesh You mean to say that the attached image is of Rhododendron bhutanense as per your reply herein. […]

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Rhododendron ferrugineum (Cultivated)

Rhododendron ferrugineum L., Sp. Pl. 392 1753. (syn: Azalea ferruginea (L.) Kuntze; Chamaerhododendron ferrugineum (L.) Bubani; Plinthocroma ferrugineum (L.) Dulac; Rhododendron intermedium Tausch); Austria, France, Germany, Switzerland, N-Spain (Pyrenees), Andorra, Italy, Slovenia, Croatia, Macedonia, Serbia & Kosovo, Albania as per Catalogue of Life;   SK 2624 21 May 2020 : 5 posts by 2 authors. […]

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Rhododendron austrinum (USA)

Rhododendron austrinum (Small) Rehder, Stand. Cycl. Hort. 6: 3571 1917. (syn: Azalea austrina Small); USA (Alabama, Florida, Georgia, Mississippi) as per Catalogue of Life; Garden Plant for ID : Orange Flowers : Atlanta, Georgia : 17JAN19 : AK-34 : 11 posts by 5 authors. Attachments (5) Seen in the last week of Oct,18. Could this […]

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Rhododendron praetervisum (Cultivated- USA)

Rhododendron praetervisum Sleumer, Blumea 21: 376 1973. ; Borneo (Sabah) as per Catalogue of Life;   Plant for ID : Conservatory : Atlanta Botanical Garden : Atlanta, Georgia : 27NOV18 : AK-22 : 7 posts by 2 authors. Attachments (2) Plant seen inside the Conservatory with purple flowers. Have no idea what they can be. […]

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Rhododendron lepidotum ?

Rhododendron lepidotum ?;   SK1194 11 JUNE 2018 : 8 posts by 2 authors. Attachments (4) Location: Sandakphu, India Date: 13 May 2018 Altitude: 12000 ft. Habit : Wild Rhododendron sp. ?? Pl. check with images at Rhododendron lepidotum Wall. ex G. Don and http://www.asianflora.com/Ericaceae/Rhododendron-lepidotum.htm  Could not decide without flowers, however ID looks correct ! It does not […]

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