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ID Please
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Posted by
sam_md z7 MD (
My Page) on
Mon, Sep 24, 12 at 19:48
For those of us who propagate, seed collection is in full swing. This is one of those trees that you simply can't pass by without taking a second look. How can all of that leaf come out of a single bud? Think of the enormous amount of energy put into seed production. Because of its leaf size this tree is a favorite in freshman woody plant and taxonomy courses, can you name it? |
Follow-Up Postings:
RE: ID Please
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| Magnolia macrophylla (bigleaf magnolia)? |
RE: ID Please
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- Posted by acer 6b western NC (My Page) on
Mon, Sep 24, 12 at 22:03
| Fraser magnolia. Note the "lobes" at the base of the stems? Think of a man named Fraser. Does he have ears? Fraser magnolia (Magnolia fraseri). That's how I learned to distinguish it from the very similar Umbrella magnolia. |
RE: ID Please
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- Posted by bboy USDA 8 Sunset 5 WA (My Page) on
Mon, Sep 24, 12 at 23:17
| Not Fraser magnolia, leaf too broad and wavy - eared base not peculiar to that species. Bigleaf magnolia much more likely. White undersides may also be more or less significant, I don't remember. |
RE: ID Please
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- Posted by beng z6b western MD (My Page) on
Tue, Sep 25, 12 at 10:09
| Agree w/acer. From what I've seen, lobes do give it away. I have Umbrella mag, and no lobes. Seed heads shown are different than Umbrella too. |
RE: ID Please
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Umbrella magnolia = Magnolia tripetala. No lobes.
Bigleaf magnolia = Magnolia macrophylla. Lobes are present.
Fraser magnolia = Magnolia fraseri. Lobes are present. As bboy says, there is more than one species with these "distinctive" lobes where the base of the leaf meets the petiole. |
RE: ID Please
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- Posted by bboy USDA 8 Sunset 5 WA (My Page) on
Tue, Sep 25, 12 at 14:09
| Of the North American umbrella trees Magnolia tripetala is the only one with leaves tapering at both ends. Fraser magnolia produces a flatter, more slender, lyre-like leaf than shown here. Pyramid magnolia is a smaller-growing, smaller-parted version of it. Ashe magnolia is the similar lowland analog to bigleaf magnolia. If I'm now seeing that the ruler says the lower leaf shown is around 30" long then it would be bigleaf magnolia. |
RE: ID Please
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| ~32" leaf with white underside, that better be Magnolia macrophylla or else I'm in a heap of trouble. |
RE: ID Please
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- Posted by beng z6b western MD (My Page) on
Wed, Sep 26, 12 at 13:49
| sam, yes, you've seen but failed reporting to the proper authorities a magnolia w/illegally large leaves. :) |
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