Willow oak, any of several species of North American ornamental and timber trees belonging to the red oak group of the genus Quercus, in the beech family (Fagaceae), which have willowlike leaves. The acorn crop begins at about 15 years of age and continues as the tree matures. The leaves are narrowly lanceolate like those of Black Willow, but are bristle-tipped and lack teeth. Willow oak is easily damaged by fire. post Large trees are top-killed by high-severity fire. Illinois's first state park, at Fort Massac, has several of the species on site. It typically does well on elevations less than 1,300 feet. the state. Leaves turn an undistinguished yellow-brown or dull gold … Specifically, willow oak refers to Quercus phellos, native to poorly drained areas of the Atlantic and Willow oak ventures into New England only in southern Connecticut. Willow oak, any of several species of North American ornamental and timber trees belonging to the red oak group of the genus Quercus, in the beech family (Fagaceae), which have willowlike leaves. Exact status definitions can vary from state to Also covers All images and text Â© The acorn crop begins at about 15 years of age and continues as the tree matures. It is noted for rapid growth and long life (over 50 years). state. evidence (herbarium specimen, photograph). (intentionally or Willow oak is sometimes grown in hardwood plantations since it gives a good combination of pulping characteristics and a high rate of growth. Willow oak is a medium to large tree with a dense, pyramidal crown (becoming more rounded with age) and straight, clear trunk. (Wetland indicator code: Forestryimages.org provides several images of parts of willow oak. Steve Nix is a natural resources consultant and a former forest resources analyst for the state of Alabama. Smooth-edged, bristle-tipped, narrow, green leaves (to 5” long and 1” wide) are willow-like. Root systems were weakened and eventually killed by burning during the growing season. The tree is a hardwood and the lineal taxonomy is Magnoliopsida > Fagales > Fagaceae > Quercus phellos. to exist in the state, but not documented to a county within (Michael Wolf/Wikimedia Commons/CC BY-SA 3.0), (U.S. Geological Survey/Wikimedia Commons), Water Oak, A Common Tree in North America, Scarlet Oak, A Top 100 Common Tree in North America, Southern Red Oak, a Common Tree in North America, Laurel Oak, a Common Tree in North America, Black Oak, a Common Tree in North America, White Oak, A Common Tree in North America, The Most Common North American Hardwood Trees, Illustrations of Common Eastern United States Trees by Charles Sprague Sargent, Loblolly Pine, an Important Tree in North America, Slippery Elm, A Common Tree in North America, Black Willow, a Common Tree in North America, Bur Oak, J. Willow oak (Quercus phellos) is a common oak, deciduous with simple leaves. It resembles laurel oak (Q. imbricaria) in being one of only two oak species in our area with long, unlobed leaves, but willow oak leaves are narrower and the acorns are smaller than those of Q. imbricaria. a sighting. Seedlings and saplings are usually top-killed by low-severity fire. FACW). Willow oak leaves are thinner than most commercially available leaf litter, and decay quickly in a vivarium. willow oak. Go Botany: Native Plant Trust It is a source of lumber and wood pulp but is very important to many species of wildlife because of heavy annual acorn production. Can you please help us? These leaves are perfect for invertebrates, and are our BEST selling leaves for isopod cultures. those considered historical (not seen in 20 years). Annual summer fires also reduced the number of stems less than 1 inch (2.5 cm) in DBH. It resembles laurel oak (Q. imbricaria) in being one of only two oak species in our area with long, unlobed leaves, but willow oak leaves are narrower and the acorns are smaller than those of Q. imbricaria. Native Plant Trust or respective copyright holders. It is a member of the red oak family and has distinctive longish, linear leaves to a 5" length maximum. Found this plant? This medium to large southern oak with willow-like foliage is known for its rapid growth and long life. ; Falls Lake, Granville Co., NC 4/27/08. Leaves are alternate, simple, 2–5 inches long, to 1 inch wide, shaped like willow leaves, narrow, gradually tapering at both ends, thick; margin entire, bristle-tipped. Copyright: various copyright holders. The heart of this species' range is in the southeast, where it typically inhabits bottomlands; thus, it grows well and rapidly in wetter soils and moist parts of the garden. It is considered to be a good shade tree and is widely planted as an ornamental. Willow oak is so named for its long, narrow, willow-like leaves. For details, please check with your state. Anthropogenic (man-made or disturbed habitats), forest edges, forests, Usually occurs in wetlands, but occasionally in non-wetlands. All rights reserved. The acorns are an important source of food for mammals. The bark is smooth on young trees and smaller branches, becoming shallowly ridged on larger trees. image, please click it to see who you will need to contact. County documented: documented Willow oak has only a medium tolerance to shade but seedlings may persist for as long as 30 years under a forest canopy. Twig: Slender, hairless, olive-brown in color when young; multiple terminal buds are very small, reddish-brown and sharp-pointed. The near loss of 3 willow oaks at that location and scarcity of the species in the state make it protected as a state threatened species in Illinois. It is also a good species to plant along the margins of fluctuating-level reservoirs. Prescribed fire is a good tool to use control willow oak where they compete with "crop" tree regeneration and growth. Sterling Morton's Favorite Tree, American Beech, a Common Tree in North America, B.S., Forest Resource Management, University of Georgia. Since willow oak produces an acorn crop almost every year (fruit ripens over two years), this oak is an important species for wildlife food production. Willow oak is so named for its long, narrow, willow-like leaves. The Go Botany project is supported Leaf: Alternate, simple, 2 to 5 inches long, linear or lanceolate in shape (willow-like) with an entire margin and a bristle tip. in 20 years). Show populations both exist in a county, only native status Also covers those considered historical (not seen Willow oak is found mainly in the bottomlands of the Coastal Plain from New Jersey and southeastern Pennsylvania south to Georgia and northern Florida; west to eastern Texas; and north in the Mississippi Valley to southeastern Oklahoma, Arkansas, southeastern Missouri, southern Illinois, southern Kentucky, and western Tennessee. It is a medium-sized tree growing to 20–30 metres (65–100 ft) tall (exceptionally to 39 m, 128 ft), with a trunk up to 1–1.5 m (40–60 in) diameter (exceptionally 2 metres, 6.6 ft). It is distinguished from most other oaks by its leaves, which are shaped like willow leaves, 5–12 cm (2–4 ⁄4 in) long and 1–2.5 cm ( ⁄8–1 in) broad with an entire (untoothed and unlobed) margin; they are bright green above, paler beneath, usually hairless but sometimes downy beneath. FrogDaddy leaf grades: AAA - Pristine, High Quality Leaves. It is a member of the red oak family and has distinctive longish, linear leaves to a 5" length maximum. The acorn is a favorite food for ducks and deer.
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