Key to the Trees of Wisconsin

58. Some leaves may not be lobed (leaves of younger plants are generally more conspicuously lobed than those of mature trees); leaves often appearing to have three major veins arising at the base of the blade; buds not clustered at the tips of twigs; sap milky (mulberries).

58. All leaves lobed, though they are frequently more deeply lobed in the sun than they are in the shade; leaves with only one main vein from the base; buds clustered at the tip of the twigs; sap clear (blunt-lobed oaks).


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