What upright shrub (?) with red stems, tough fern-like leaves?

Discussion in 'Talk about UBC Botanical Garden' started by wcutler, May 26, 2021.

  1. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    This is growing next to the Crinodendrum in front of the amphitheatre. It's about my height, has a few tall branches with some but not a lot of secondary branching. Stems are shiny red. Branching is opposite. Leaves are pinnately compound, possibly more than once, but I think that what looks like little fern leaflets (I have a fern with leaves that look just like this) may be just very deeply incised. I'm eager to have a name so I can look it up for a description of what I'm seeing but not understanding. Those little almost leaflet things also cover the leaf rachis.
    FernLeaves-RedStems_UBCBG-SanctuaryGarden_Cutler_20210526_155424.jpg FernLeaves-RedStems_UBCBG-SanctuaryGarden_Cutler_20210519_152425.jpg
    FernLeaves-RedStems_UBCBG-SanctuaryGarden_Cutler_20210519_152326.jpg FernLeaves-RedStems_UBCBG-SanctuaryGarden_Cutler_20210526_155451.jpg FernLeaves-RedStems_UBCBG-SanctuaryGarden_Cutler_20210526_155546.jpg FernLeaves-RedStems_UBCBG-SanctuaryGarden_Cutler_20210526_155555.jpg
     
  2. Ron B

    Ron B Paragon of Plants 10 Years

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    Catalina ironwood
     
  3. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    Thank you! Fern-leaf Catalina ironwood! In Garden Explorer as Lyonothamnus floribundus subsp. asplenifolius. This California native is going to be a big tree, if it survives in our climate. There are some good photos at Lyonothamnus floribundus subsp. aspleniifolius (Catalina Ironwood) (gardenia.net)
    and UFEI - SelecTree: A Tree Selection Guide (calpoly.edu).
    Catalina Ironwood - UC Master Gardeners- Diggin' it in SLO - ANR Blogs (ucanr.edu) describes the leaves as "deep green above, gray and hairy beneath and pinnately or palmately divided into 3-7 deeply notched or lobed leaflets."
    Rosaceae family, with those little white flowers in clusters that look like so many shrubs in that family.
     
  4. Ron B

    Ron B Paragon of Plants 10 Years

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    Plant of the Month (arthurleej.com)
     
    Last edited by a moderator: May 27, 2021
  5. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    Thanks for that link, Ron. The Arthur Lee Jacobsen article is interesting on so many counts - seeing those photos; the bit about how its range has shrunk in a few million years from throughout the western US to just islands off southern California, yet knowing how well it can do in Seattle; his description of the tree, including seeing what it can do in less than 20 years, yet he mentions that in dryer conditions it can be a shrub; interest in testing its cold-hardiness (nice that UBCBG is doing that). And its deer resistance.
     

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