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monkeytreeboy15

Picea jezoensis/glehnii discrepancy

monkeytreeboy15
13 years ago

Hello, I recently purchased a plant by the name of Picea jezoensis 'Chitosemaru' from Porterhowse Farms.

I have heard that this is not a cultivar of Picea jezoensis at all, but a cultivar of Picea glehnii instead. Could someone please enlighten me as to the species of this cultivar?? Nomenclature is so confusing!

Thanks,

-Sam

Comments (21)

  • clement_2006
    13 years ago

    Yes, it's well a cultivar of Picea glehnii.
    Like some other :JD's Dwarf,Yosawa,
    Cl�ment

  • gardener365
    13 years ago

    Picea glehnii

    Picea glehnii

    Picea jezoensis

    Picea jezoensis Chitosemaru (my opinion)
    {{gwi:809705}}

    Foliage of Chitosemaru
    {{gwi:809707}}

    Dax

  • gardener365
    13 years ago

    I didn't see your post Clement. So I am wrong, yes??

    Dax

  • gardener365
    13 years ago

    Yeah, I'm wrong. Here is more information, yet:

    Picea glehnii 'Chitosu-maru' incorrectly sold as 'Chitosa Nana' (same plant under two different names)

    Another glehnii cultivar, Picea glehnii 'Landis'
    {{gwi:809709}}

    Photos courtesy of clement 2006 and kbguess.

    Dax

  • clement_2006
    13 years ago

    Dax wrote :
    Picea jezoensis Chitosemaru (my opinion)
    Picea glehnii 'Chitosu-maru' incorrectly sold as 'Chitosa Nana' (same plant under two different names)

    In first time it's jezoensis and in 2th it's glehnii..?
    + Picea glehnii "Landis"
    I know Picea jezoensis "Landis" but not glehnii "Landis"
    About "Chitosemaru"-"Chitosa Nana"- "Chitosu maru" it's not jezoensis. But Picea glehnii.
    See on my 2th photo :Picea glehnii the typical buds,with resin white/purple and the twigs colour.
    Clement

  • gardener365
    13 years ago

    I'll need to change the name of my "Landis" photo to jezoenensis.

    The first photo of "Chitosemaru" I saw this summer in a garden in Iowa, not related to the second photo which "kbguess" has in his garden.

    kbguess plant you said a while ago was a glehnii. He purchased it as jezoensis 'Chitosa Nana' which = "Picea glehnii Chitosemaru"

    Is all correct now Clement? assuming there now is a glehnii and a jezoensis both called "Chitosemaru"

    Dax

  • clement_2006
    13 years ago

    Yes, they are all Picea glehnii's cultivar.
    Except "Landis" I don't know.I never see a good photo or a good plant.I don't know why he has selected ?
    Clement

  • monkeytreeboy15
    Original Author
    13 years ago

    What about Picea bicolor? Is it related to jezoensis?

    -Sam

  • clement_2006
    13 years ago

    NO, NO, NO, ABSOLUTLY NOT.
    it's 2 differents species from Japan.
    Very different!!!

    Cl�ment

  • monkeytreeboy15
    Original Author
    13 years ago

    All right. Thanks, guys! My plants will now properly be labeled:
    Picea glehnii 'Chitosemaru'
    &
    Picea bicolor 'Howell's Dwarf'

    -Sam

  • clement_2006
    13 years ago

    Picea jesoensis "Howell's Dwarf"

    Clement

  • clement_2006
    13 years ago


    Picea bicolor: foliage + cone

    Cl�ment

  • clement_2006
    13 years ago


    Picea jesoensis, for comparison.
    Clement

  • monkeytreeboy15
    Original Author
    13 years ago

    Just to clear up any confusion, I recently bought these plants under the names Picea jezoensis 'Chitosemaru' and Picea alcoquiana (bicolor) 'Howell's Dwarf'. Are either or both of these names incorrect, and, if so, what SHOULD they be? Thanks a bunch..

    Sam Pratt

    Picea alcoquiana (bicolor) 'Howell's Dwarf'

    & Picea jezoensis 'Chitosemaru'

  • clement_2006
    13 years ago

    The first are Picea JESOENSIS 'Howell's Dwarf'

    The second are:Picea GLEHNII 'Chitosemaru'
    CLEMENT

  • monkeytreeboy15
    Original Author
    13 years ago

    Okay, thanks Clement. You are awesome. I will now be able to sleep well at night, knowing the plants are properly labeled.

    -Sam

  • pineresin
    13 years ago

    Hi Clément,

    Somehow missed this before . . .

    "Picea jesoensis, for comparison.
    Clement"

    What is the origin of that plant? Going by the cones and needles, I am wondering if it might not be a Picea jezoensis ÃÂ Picea sitchensis hybrid.

    Resin

  • clement_2006
    13 years ago

    Resin,
    My plant come from a nursery, (with the correct name). Grafted, 25/30 years old, in a good ground, she are a stronger plant.It's not a hybrid.
    Clément

  • firefightergardener
    13 years ago

    This is quite a revelation to most of the conifer world, at least here in the U.S., Clement. From the many nursuries and gardens I have seen here it is ALWAYS labled as picea bi-color here in the States. I took these photos today of my specimens:

    Bought as Picea bi-color 'Howell's Dwarf'.

    Closeup.

    Another specimen.

    Picea alcoquiana(bi-color), species

    Closeup.

    -Will

    Could all of the nurseries and experts over here really be wrong?

  • tsugajunkie z5 SE WI ♱
    13 years ago

    "Could all of the nurseries and experts over here really be wrong?"

    Heck yeah, and it's not just here. If dendrologists did the naming from the get-go there might be less confusion, but even that wouldn't eliminate all naming woes (Cupressus nootkatensis comes to mind). Once something is re-identified it takes a very long while for the nursery trade to make the change.

    tj

  • clement_2006
    13 years ago

    The 3 first photos are Picea jesoensis "Howell's Dwarf" .
    Picea bicolor (= alcoquiana) are right.

    I hope you see the difference between the 2.twigs, colour,buds,needles section.........
    Clément
    PS: please sudy the species before the cultivars.
    It's the same problem with Picea glauca and mariana
    I'm disapointed, it's SO EASY !

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