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Mountain-ash (Sorbus aucuparia) leaves have 9 to 17 leaflets. These leaflets are oblong, rounded at the tip, light to dull green above, paler beneath. Leaflet length 3/4 to 2� inches. Flowers are white in large clusters, fruit is a cluster of bright orange-red pomes each 1/4 inch ... b&w line drawing of mountain-ash leaf...
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www.ag.ndsu.edu/pubs/plantsci/trees/f436-4.htm
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European Mountain-ash photo 45d; 100% slide 45c; 360%; III-89; ... Leaf Type and Shape - Pinnate compound, 9 to 15 leaflets per leaf. Leaf Margins - Serrate, usually entire on lower third. Leaf Surface - Glabrescent above, glaucescent and pubes-cent beneath. Leaf Length - 4 to 8 inches;
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www.ag.ndsu.edu/trees/handbook/th-3-89.pdf
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Sorbus americana (mountain ash) - leaf - several; Family: Rosaceae - More images of Sorbus americana; Photographed on 9/7/2002 at 09:31:24am; (c) 2002 Steven J. Baskauf - Terms of use; Click on the image for a high resolution version (approx 1 MB); Bioimages home...
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www.cas.vanderbilt.edu/bioimages/image/s/soam3-lfsevera...
www.cas.vanderbilt.edu/bioimages/image/s/soam3-lfseveral15007.htm
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Home > Plants > Wild plants -August > Bastard Service Tree or Oak-leaf Mountain Ash (Sorbus x thuringiaca) ... Bastard Service Tree or Oak-leaf Mountain Ash (Sorbus x thuringiaca) - This tree is a hybrid of Rowan (Sorbus aucuparia) and Whitebeam (Sorbus aria). It has upward pointing branches. The leaves show a combination...
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gallery.nen.gov.uk/image63618.html
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Home > Plants > Identifying Trees > Bastard Service Tree > April - Bastard Service Tree or Oak-leaf Mountain Ash (Sorbus x thuringiaca) ... April - Bastard Service Tree or Oak-leaf Mountain Ash (Sorbus x thuringiaca) - This tree is a hybrid of Rowan (Sorbus aucuparia) and Whitebeam (Sorbus aria). It has upward...
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gallery.nen.gov.uk/image67575-e2bn.html
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European Mountain-ash - Sorbus latifolia (Lam.) Pers. Also commonly called broad-leaf whitebeam. (3); Rose Family: Rosaceae USDA hardiness zones: 2B through 6. [Cirrus Home] [Tree Encyclopedia] [Trees Alphabetic Table of Contents]
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www.cirrusimage.com/tree_broad-leaf_European_mountain-a...
www.cirrusimage.com/tree_broad-leaf_European_mountain-ash.htm
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Clusters of small, apple-like fruits come in red (like the native species), yellow, and orange. ... Two species grow in Oregon, at high elevations, both with a shrubby stature. One, found commonly, is the Sitka mountain-ash. The other, western mountain-ash, won't be described here. ... home > mountain-ash genus...
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oregonstate.edu/trees/broadleaf_genera/mountain_ash.htm...
oregonstate.edu/trees/broadleaf_genera/mountain_ash.html
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Leaves: Pinnately compound (7-11 leaflets per leaf), alternate, deciduous. Leaflets are roughly elliptical with serrated margins except near base where they are entire. ... home > mountain-ash genus > mountain-ash species...
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oregonstate.edu/trees/broadleaf_genera/species/mountain...
oregonstate.edu/trees/broadleaf_genera/species/mountain_ash.html
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Hosts: American and European mountain ashes ... b. When Mountain ash sawfly larvae are distrubed, they tend to rear up into an S-shaped position. ... a. Larvae of the Moutain ash sawfly consume all but the midveins of leaves.
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www.forestpests.org/vermont/mountainashsawfly.html
www.forestpests.org/vermont/mountainashsawfly.html
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