Roughly toothed: The red maple has a slightly smaller leaf than most other species, with its most distinctive feature being a rough, saw-like edge. Flowers dangling, yellow-green. Buds more discrete, sharply pointed, and brown. In the summer, they’ll be light green with a whitish underside. The leaves turn deep red in the fall. Red maple has a highly variable leaf shape, and some can look similar to sugar maple, but they are easily distinguished by serrations and the color of the leaf underside. The sugar maple has either three or five lobes, the silver maple always has five, and the red maple and chalk maple foliage may have three or five lobes. Red Maple leaves generally turn red in the fall. The leaf drop may appear heavy but serious injury to a healthy tree is rare. Both insects bore into the leaf stalk just below the leaf blade. Flowers well before leafing out. This species grows 30 to 90 feet tall and up to 4 feet in diameter. "National Audubon Society Field Guide to Trees"; Elbert Little; 2008, "Trees of North America"; C. Frank Brockman; 1996. Though the red maple leaf is easy to identify by its color in the autumn, it is a dull green throughout the growing season. Caused By: Fungi that tends to hide in leaf debris.Specific species include Rhytisma acerinum, R. americanum, and R. The leaf of a bigleaf maple lives up to the tree’s name, possessing in some instances a width of 1 foot. The silver maple has a dull green shade on its upper side, but the underneath of the leaf takes on a silver-white hue. The depth of lobe indentation on maple leaves can aid in recognizing individual species. Leaf stalk borer and petiole borer cause the same type of injury. Lindell worked in greyhound racing for 25 years. Maple sugar, red maple have typically 5 lobes and Japanese maple between 5 to 7 lobes. One is the boxelder, a type of maple with compound leaves—multiple leaflets growing on one stem to form one leaf. Underside of mature leaves sometimes much lighter in color than top. The leaf edges have small, sharp teeth. The \"Embers\" and \"Flame\" varieties have especially vibrant fall colors in both leaves and fruit. John Lindell has written articles for "The Greyhound Review" and various other online publications. At first the twigs are green but later in the year they turn a red. Red Maple Tree Varieties. Reds Maple leaves are simpleSimple Leaf: A leaf with a single undivided blade, as opposed to a compound leaf, which is one that is divided to the midrib, with distinct, expanded portions called leaflets., meaning that … Leaf blades > 9 cm long, bark brown-black: Acer saccharum ssp. Flower: Attractive but small, occur in hanging clusters, usually bright red but occasionally yellow, appear in early spring, usually before leaves. All Rights Reserved. Red maple has a paler, almost whitish shade of green on its undersides as opposed to the dull green above. Plan the perfect garden with our interactive tool →, Ohio Department of Natural Resources: Ohio Trees Index. Learn which plants thrive in your Hardiness Zone with our new interactive map! Red Maple leaves generally have three major lobes, sometimes with two additional smaller lobes near the base of the leaf. The leaves have three or five lobes with serrated edges. Samaras are also distinctive. punctatum. Red Maple (Acer rubrum) Heights of 40 to 60 feet (12 to 18.5 m.) with a width of 25 to 35 feet (7.5 to 10.5 m.) in cultivation, but may reach over 100 feet (30.5 m.) in the wild Bright red, yellow, and orange fall color Red flowers and fruit The form of the maple leaf on the Canadian flag is familiar to most people, but trying to identify all maple tree leaves from that one outline poses problems. Identification: Black spots that range in size from a pin-prick to size of a half dollar (4 cm).Some reports say that the spots can get as big as two inches. 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