May 2024 in the Garden - Rhododendrons

Discussion in 'Talk about UBC Botanical Garden' started by wcutler, May 7, 2024.

  1. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    Douglas Justice's May blog has been up for a week at May in the Garden 2024 - UBC Botanical Garden. As usual, there are good photos in the blog. Here are a few photos of plants featured from the subsection Fortunea.

    I tried to capture the conspicuous glands on the flower stalks of Rhododendron maoerense, but then forgot to get a habit photo.
    Rhododendron maoerense_UBCBG-3AF5_Cutler_20240507_152105.jpg Rhododendron maoerense_UBCBG-3AF5_Cutler_20240507_152117.jpg Rhododendron maoerense_UBCBG-3AF5_Cutler_20240507_152123.jpg Rhododendron maoerense_UBCBG-3AF5_Cutler_20240507_152300.jpg Rhododendron maoerense_UBCBG-3AF5_Cutler_20240507_152353.jpg

    Rhododendron qiaojiaense was only named in 2016. Douglas kindly provided the pronunciation. Of the two small plants next to each other, one has only buds, but the other's flowers are almost open.
    Rhododendron qiaojiaense_UBCBG-3ACA_Cutler_20240507_143007.jpg Rhododendron qiaojiaense_UBCBG-3ACA_Cutler_20240507_142954.jpg
    Rhododendron qiaojiaense_UBCBG-3ACA_Cutler_20240507_143015.jpg Rhododendron qiaojiaense_UBCBG-3ACA_Cutler_20240507_143027.jpg Rhododendron qiaojiaense_UBCBG-3ACA_Cutler_20240507_143044.jpg

    Here is Rhododendron fortunei 'Sir Charles Butler'.
    Rhododendron fortunei 'Sir Charles Butler'_UBCBG-3AB3_Cutler_20240507_141625.jpg Rhododendron fortunei 'Sir Charles Butler'_UBCBG-3AB3_Cutler_20240507_141640.jpg Rhododendron fortunei 'Sir Charles Butler'_UBCBG-3AB3_Cutler_20240507_141649.jpg

    Another R. fortunei we found is Rhododendron fortunei subsp. discolor Houlstonii Group.
    Rhododendron fortunei subsp. discolor Houlstonii Group_UBCBG-3AC2_Cutler_20240507_140017.jpg Rhododendron fortunei subsp. discolor Houlstonii Group_UBCBG-3AC2_Cutler_20240507_140028.jpg Rhododendron fortunei subsp. discolor Houlstonii Group_UBCBG-3AC2_Cutler_20240507_140034.jpg

    The blog also featured several plants in the Azalea Glade, where there are lots of flowers now. Here is Rhododendron oreotrephes.
    Rhododendron oreotrephes_UBCBG-3ACA_Cutler_20240507_143113.jpg Rhododendron oreotrephes_UBCBG-3ACA_Cutler_20240507_143121.jpg
     
    Last edited: May 11, 2024
  2. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    LOTS of rhododendrons in bloom didn't make it into the blog. Here's Rhododendron orbiculare subsp. orbiculare, also in subsection Fortunea.
    Rhododendron orbiculare subsp. orbiculare_UBCBG_Cutler_20240507_144732.jpg Rhododendron orbiculare subsp. orbiculare_UBCBG_Cutler_20240507_144737.jpg

    I have to do this now in alphabetical order or I'll never find them all.

    Rhododendron anwheiense
    Rhododendron anwheiense_UBCBG_Cutler_20240507_134214.jpg Rhododendron anwheiense_UBCBG_Cutler_20240507_134111.jpg Rhododendron anwheiense_UBCBG_Cutler_20240507_134116.jpg Rhododendron anwheiense_UBCBG_Cutler_20240507_134126.jpg

    Rhododendron argyrophyllum subsp. argyrophyllum, some pink, some white.
    Rhododendron argyrophyllum subsp. argyrophyllum_UBCBG_Cutler_20240507_133059.jpg Rhododendron argyrophyllum subsp. argyrophyllum_UBCBG_Cutler_20240507_133049.jpg Rhododendron argyrophyllum_UBCBG_Cutler_20240507_133034.jpg
    Rhododendron argyrophyllum subsp. argyrophyllum_UBCBG_Cutler_20240507_134425.jpg Rhododendron argyrophyllum subsp. argyrophyllum_UBCBG_Cutler_20240507_134256.jpg
    Rhododendron argyrophyllum subsp. argyrophyllum_UBCBG_Cutler_20240507_134629.jpg Rhododendron argyrophyllum subsp. argyrophyllum_UBCBG_Cutler_20240507_134657.jpg

    Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'. I can't distinguish this from the previous one.
    Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'_UBCBG_Cutler_20240507_133713.jpg Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'_UBCBG_Cutler_20240507_133603.jpg Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'_UBCBG_Cutler_20240507_133619.jpg

    Rhododendron longipes, which is in the subsection Argyrophylla.
    Rhododendron longipes_UBCBG_Cutler_20240507_153835.jpg Rhododendron longipes_UBCBG_Cutler_20240507_153809.jpg Rhododendron longipes_UBCBG_Cutler_20240507_153813.jpg
     
    Last edited: May 11, 2024
  3. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    I think the rhododendrons in flower up till now have not had indumentum on mature leaves, and have not had fuzzy new leaves, but that's just my impression, which could be totally off the wall. But I was pretty excited about the leaves on this Rhododendron coeloneurum. It's well finished blooming now. I think we found the last flower.
    Rhododendron coeloneurum_UBCBG_Cutler_20240507_144833.jpg Rhododendron coeloneurum_UBCBG_Cutler_20240507_144908.jpg Rhododendron coeloneurum_UBCBG_Cutler_20240507_145003.jpg

    Out of alphabetical order, here is another on which we liked the leaves - Rhododendron sinofalconeri.
    Rhododendron sinofalconeri_UBCBG_Cutler_20240507_142229.jpg Rhododendron sinofalconeri_UBCBG_Cutler_20240507_142245.jpg Rhododendron sinofalconeri_UBCBG_Cutler_20240507_142325.jpg Rhododendron sinofalconeri_UBCBG_Cutler_20240507_142334.jpg
    This was labelled the same, but seemed to have bigger, tougher flowers.
    Rhododendron sinofalconeri_UBCBG_Cutler_20240507_150934.jpg Rhododendron sinofalconeri_UBCBG_Cutler_20240507_150857.jpg Rhododendron sinofalconeri_UBCBG_Cutler_20240507_150911.jpg

    That's all for tonight. There will be more.
     
  4. Ron B

    Ron B Paragon of Plants 10 Years

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    Wild rhododendron species don't have clonal uniformity of course. Unless a single clone is what is being encountered in cultivated settings.
     
  5. Ron B

    Ron B Paragon of Plants 10 Years

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    wcutler likes this.
  6. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    Oops - Rhododendron decorum subsp. decorum was mentioned in the blog, is in subsection Fortunea, and R. quaojaense (another opportunity to practice pronouncing this) is a close relative.
    Rhododendron decorum subsp. decorum_UBCBG-3AH8_Cutler_20240507_144519.jpg Rhododendron decorum subsp. decorum_UBCBG-3AH8_Cutler_20240507_144537.jpg

    Here's another in subsection Fortunea, Rhododendron 'Lackamas Cream'. I see some different stories about its parents, but they're all in that subsection. I liked its creamy colour, which is not showing up in my photos.
    Rhododendron 'Lackamas Cream'_UBCBG_Cutler_20240507_134921.jpg Rhododendron 'Lackamas Cream'_UBCBG_Cutler_20240507_134937.jpg

    Rhododendron degronianum subsp. heptamerum:
    Rhododendron degronianum subsp. heptamerum_20240507_151025.jpg Rhododendron degronianum subsp. heptamerum_20240507_151042.jpg

    The first photo here has a label Rhododendron degronianum subsp. yakushimanum, but I see in Garden Explorer that that is now a synonym for R. yakushimanum, which is what the label says for the others here.
    Rhododendron degronianum subsp. yakushimanum_20240507_145700.jpg

    Rhododendron yakushimanum_UBCBG_Cutler_20240507_151206.jpg Rhododendron yakushimanum_UBCBG_Cutler_20240507_151219.jpg Rhododendron yakushimanum_UBCBG_Cutler_20240507_151231.jpg

    Here is Rhododendron hypoglaucum 'Heane Wood', which now I find is a close relative of R. argyrophyllum.
    Rhododendron hypoglaucum 'Heane Wood'_UBCBG_Cutler_20240507_133931.jpg
     
  7. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    Here are a few deciduous azaleas from the Carolinian Garden.
    Rhododendron canescens
    Rhododendron canescens_UBCBG_Cutler_20240507_160808.jpg Rhododendron canescens_UBCBG_Cutler_20240507_160815.jpg

    Rhododendron prinophyllum
    - in sun
    Rhododendron prinophyllum_UBCBG_Cutler_20240507_160452.jpg Rhododendron prinophyllum_UBCBG_Cutler_20240507_160500.jpg Rhododendron prinophyllum_UBCBG_Cutler_20240507_160519.jpg
    and in shade
    Rhododendron prinophyllum_UBCBG_Cutler_20240507_160559.jpg Rhododendron prinophyllum_UBCBG_Cutler_20240507_160603.jpg Rhododendron prinophyllum_UBCBG_Cutler_20240507_160609.jpg

    Rhododendron vaseyi, with some colour variations.
    Rhododendron vaseyi_UBCBG_Cutler_20240507_160217.jpg Rhododendron vaseyi_UBCBG_Cutler_20240507_160228.jpg Rhododendron vaseyi_UBCBG_Cutler_20240507_160238.jpg Rhododendron vaseyi_UBCBG_Cutler_20240507_160247.jpg
    Rhododendron vaseyi_UBCBG_Cutler_20240507_160352.jpg Rhododendron vaseyi_UBCBG_Cutler_20240507_160358.jpg
     

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