Ulmus thomasii
Read about Ulmus thomasii in the Standard Cyclopedia of Horticulture
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Ulmus racemosa, Thomas, not Borkh. (U. Thomasii, Sarg.). Cork Elm. Rock Elm. Fig. 3877. Tree, attaining 100 ft., with short spreading branches, forming an oblong round-topped head: branchlets pubescent usually until the second year and mostly irregularly corky winged when older: buds acute, pubescent: lvs. oval to oblong-obovate, unequal at the base, shortly acuminate, sharply and doubly serrate, glabrous or somewhat rough above, pubescent beneath, 2-4 in. long: fls. in slender pendulous racemes; calyx with 5-8 exserted stamens: fr. oval or obovate, with a shallow notch at the apex, pale, pubescent, 1/2 – 3/4 in. long. Que. to Tenn., west to Neb. S.S. 7:312.
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