Maple tolerates moisture stress as low as -20 bars (-2 MPa, nocturnal), which is a low value for broadleaved deciduous trees. %PDF-1.6 %���� by ... Bigleaf Maple Growth Habit . Bigleaf maple also supports abundant epiphytic growth on branches and boles in moist climates. Unmanaged sprout clumps produce too many stems and poor stem quality. In the spring 4—6” long clusters of many, small yellow flowers hang from the ends of the twigs. Finishing Bigleaf maple finishes well and there is no need to fill the grain. Good conditions for natural regeneration occur when overstory conifers are thinned out by natural self-thinning or silvicultural thinning. It is the only western maple that reaches commercial size, yet its potential as a commercial species has not been fully recognized.Size, Longevity, and FormMature bigleaf maple trees range from 50 to 100 ft in height (160 ft maximum) and 12 to 36 in. Bigleaf maple is suitable for most furniture design applications, and the lower grades perform well as pallet stock. It originally comes from Western North America. Bigleaf's Cloud-first SD-WAN is the best way to ensure high availability and performance for all of your business' Cloud technologies. Bigleaf maple does not seem to require high soil fertility, based on its competitive success over a range of soil nutrient conditions. Size and Shape of the Big Leaf Maple This tree can be anywhere from 20 feet to 100 feet tall and wide depending on the environment. The leaves are lobed and the flowers are yellow. The Bigleaf maple is botanically called Acer macrophyllum. The carpenter worm (Prionoxystus robinae) can cause serious damage in living trees of all sizes. Hibbs. Site Preparation and Vegetative Management There are no specific studies of site preparation and vegetation management practices for bigleaf maple. (560 to 6600 mm) annually, and from 2 to 46 in. It can follow willow and alder in riparian succession. Natural rates of establishment are low under dense shade or in clearcuts. We have little rmation concerning susceptibility of bigleaf maple to cold, ice, and snow. Average temperatures range from a minimum of 28°F (January) to a maximum of 81°F(July). Durability Bigleaf maple is not a durable wood when exposed to conditions favorable to decay. Its most common association are Douglas-fir, grand-fir, red alder, Sitka spruce, western redcedar, western hemlock, Pacific dogwood, and Pacific madrone. h��ZmO�0�+����/���F��iBC����6�N��� ��s�@7H),k�����l?ϝ/q Like sugar maple, bigleaf maple has sweet sap that can be made into syrup. One mill study conducted with NHLA standard grades rather than modified red alder and maple grades found a percentage recovery of No. A dense canopy of bigleaf maple will also suppress competing understory vegetation, reducing the need for other vegetation management treatments. This figured material is utilized for thin-sliced, decorative veneers for furniture and architectural paneling. A survey of bigleaf maple seedlings in western Oregon showed that the tallest seedlings were 5 m (16.4 ft) tall and 20 to 30 years old. It holds nails well and is not likely to split with nailing. USDA Forest Service, Washington D.C. Agriculture Handbook 654. Interactions with Wildlife Damage caused by deer and elk is probably the most important factor affecting the height and form of bigleaf maple seedlings and sprouts. Removal of overstory trees can stimulate rapid growth on bigleaf maple in the understory. The diameter of the truck is between 36-48 inches (90 cm -120 cm). Management of mixed stands is complex; stands may require periodic treatments to maintain the growth of diverse components. I used a paired plot design to evaluate the influence of mature bigleaf maple on the growth and 21 p. College of ForestryOregon State University Corvallis, OR 97331-5704 Phone: 541-737-2004owic@oregonstate.edu................... Oregon Producers and Users of Bigleaf Maple, Forest Engineering, Resources & Management, Top height of existing mature trees is 80 to 100 ft, Rapid juvenile height growth of >3 ft per year, Sustained height growth from age 15 to 30 of 1 to 2 ft per year. The growth potential of bigleaf maple is rarely achieved in the field under normal conditions of light, moisture, competition, and browsing intensity (7). Yields of about 4500 ft3 per acre were estimated for 70-year-old stands of pure bigleaf maple in British Columbia. maximum). Canadian Journal of Botany 62:2223-2228. As the name implies, the leaves of the Big Leaf Maple are, in fact, oversized. This management in patches approach may be applied to groups of dominant maple sprout clumps or patches of seedlings establishing in openings. See Table below for an appropriate kiln schedule for 4/4, 5/4, and 6/4 lumber. Bigleaf maple seedling establishment and early growth in Douglas-fir forests. G-4. Big Leaf Maple Trees typically grow between 50-110 feet (15m -33.5 m) tall. Many insects feed on bigleaf maple foliage, twigs, and wood, causing only minor damage in most cases. Yellow flowers grow in drooping 6 inch clusters in the spring before the emergence of bright green leaves. In southern California, it may be found from 3000 to 7000 ft; at the northern end of its range it seldom occurs above 1000 ft in elevation. ACER macrophyllum and over 1000 other quality seeds for sale. 1 Shop, No. Ecological Role Bigleaf maple increases in abundance during intermediate to late stages of succession. It grows to be up to 35 meters tall, but more commonly 15-20 meters tall. 288 0 obj <>stream Bigleaf maple seeds are typically sown in fall, soon after collection. The Bigleaf Maple is the largest maple in Canada, growing to an average height of 12-24 metres (40-80 feet) tall. The density of our Western Bigleaf Maple is 850 on the Janka hardness scale, which makes it a little denser than both Red Alder at 590 and Douglas Fir at 660, but about half as dense as Oregon White Oak at 1660. Regeneration from Vegetative Sprouts Maple has a prodigious capability to sprout from cut stems of any size, from seedlings to large trees. In forest stands, maples often develop clear (50 to 70 percent of total height), well-formed stems with narrow crowns. Acer macrophyllum (Bigleaf or Oregon Maple) is a large deciduous tree. Bigleaf maple is not as tolerant of poor drainage or flooding as other riparian species such as red alder, cottonwood, or ash. in DBH (133 in. There are from 2700 to 4000 seeds/lb. Seeds are triangular or oval in shape and 0.16 to 0.47 in. The average specific gravity is 0.44 (green) or 0.51 (ovendry). 1995. Common epiphytes are licorice fern, club moss (Selaginella oregano), and other mosses (Hylocomium splendens, Leucolepis menziesii, Isothecium stoloniferum, and Neckera menziesii) and lichens (Cladonia, Nephroma, and Crocynia spp.). It is quite tolerant and commonly establishes in forest understories, where it can persist for long periods. Honkala, coords. Growth rate: fast Special features: supports hummingbirds, wildlife favorite; With huge 8—12” leaves, the Bigleaf Maple is not easily confused with any other maple. FRIED, J.S., J.C. TAPPEINER II, and D.E. On drier upland sites, bigleaf maple can replace oaks and Pacific madrone in the absence of significant disturbance. Rounded Shape. Adhesives There appear to be no reliable test results available that deal directly with the newer synthetic adhesives, but communication with local users indicates that bigleaf maple performs satisfactorily with good quality joints if conditions are well controlled. Flowers Inconspicuous. Good performance is also common on upland sites if soils are deep and moisture is abundant. Regeneration from Seed Most bigleaf trees produce seed every year, although the amount may vary greatly from year to year. Try Prime Cart. The outstanding performance of bigleaf maple cultivated in nurseries and back yards indicates great potential for management of seedlings in the field. It is often regarded as weed tree because of its prolific growth and lack of economic value. Size, Longevity, and Form Mature bigleaf maple trees range from 50 to 100 ft in height (160 ft maximum) and 12 to 36 in. What Does a Big-Leaf Maple Need to Survive?. It also has the capacity to grow rapidly and maintain dominance under favorable conditions in the open sun. NADKARNI, N.M. 1984 Biomass and mineral capital of epiphytes in an Acer macrophyllum community of temperate moist coniferous forest, Olympic Peninsula, Washington State. Height: 30 - 75 feet. Unlike the standard NHLA grading rules, these grasdes are generally based on the best face of the piece. Within its range, precipitation varies from 22 to 260 in. It is big, beautiful, and an amazing shade provider. It frequently grows in clumps of 3-5, all originating from a single stump. Big Leaf Maple can grow up to 157.80 feet (48.10 m) tall, but more commonly reaches 15–20 m (50–65 ft) tall. The trunk diverges into numerous long, thick vertical limbs. Many seeds may remain on trees during this period. The suitability of prospective sites should be carefully evaluated before management of bigleaf maple on site is attempted. The average green MC is 72 percent (ovendry basis.). about the bigleaf maple dieback issue, has raised awareness of another pathogen affecting bigleaf maple in California. To maintain stem quality in plantations, seedlings may need to be protected from deer, planted in high densities, and correctively pruned. Canadian Journal of Forest Research 20:259-266. The wood is without any characteristic odor or taste. Bigleaf maple is second to red alder among native hardwood species in abundance and in commercial importance in the Pacific Northwest. Red Maple Trees and Hybrids Red maple (A. rubrum, USDA zones 3 … They have been selected to provide a mix of different plant sizes and growing conditions. Xylella fastidiosa, a bacteria, is causing maple leaf scorch in northeast California (Woodruff 2011). With even-aged mixtures or short (less than 10 years) delays in bigleaf maple establishment, maple sawtimber can be harvested at the same time as associated conifers. Add to My Plant List; Acer macrophyllum (Bigleaf Maple or Oregon Maple) is a large deciduous tree. Growth Rate: 36 Inches per Year. Skip to main content.us Hello, Sign in. e�=��5Fv�h�F�P+��!_*��Y��!�V�!�erP����M ����v~�k(1$��ޢ��f:��?�dxL6.��6��P��Zw{���d���d���'#GF(��.�0�R���9:;`����]S�M1bcf��W�3FR[�(�a�J�ڡ��� L�0A`�|�۵���^j#Ͼ")NztX���(�. HIBBS. The understory vegetation associated with maple can be quite different from that in adjacent conifer forests. It is the only western maple that reaches commercial size, yet its potential as a commercial species has not been fully recognized. The sapwood is reddish-white, sometimes with a grayish cast; the heartwood is light pinkish-brown. Control of spacing via initial planting density or precommercial thinning (PCT) is recommended to allocate rapid growth to crop trees at an early age (5 to 15 years). Seed Bigleaf maple seeds are borne in pubescent, double samaras with wings from 1.4 to 2 in. Seed should be collected from healthy, well-formed trees. �R��`�N�D��"�`.���"K$���@��%�6H#H#˳.9d �H�2h���\�l�pBk�6�� �0�@+��Ώ/�� The rays are visible to the naked eye but are only as wide as the widest pores. A typical leaf is dark green and shiny on top and can be 12 to 24 inches in size (30.5 cm - … Characteristics The wood from bigleaf maple is fine-grained and of moderate weight and hardness. The greatest abundance of bigleaf maple is in the foothills of the Cascade and Coast ranges. Management may greatly improve the quality of stems from sprouts of bigleaf maple. Seeds should be stored in airtight containers at 34°F. The flowers are yellow, fragrant, and produced in noddling racemes A variety of birds and mammals may benefit from these distinct attributes of food and habitat. The radial shrinkage (green to ovendry) is 3.7 percent and the tangential shrinkage value is 7.1 percent. Very large ( 3 to 6 ft tall) nursery seedlings may be produced in one year. 1984. Dense brush and understory vegetation inhibit natural regeneration. Although much of the wood is straight-grained, some highly figured wood that includes wavy, quilted, fiddle-back or birds-eye grain patterns is also produced. Broadleaf Maple or Oregon Maple) is sometimes thought of as the “Grande Dame” of all maple trees. Acer macrophyllum, the bigleaf maple or Oregon maple, is a large deciduous tree in the genus Acer . Good potential for growth of bigleaf maple on a site is indicated by the following: Climate Bigleaf maple is commonly found across a wide range of climates, from the cool, moist (temperate rain forest) conditions of the Olympic Peninsula to warm, dry (Mediterranean) conditions of southwestern Oregon. Fastidiosa is transmitted from diseased to healthy plants by insects with piercing and sucking mouthparts delayed establishment of bigleaf stump! In airtight containers at 34°F ripen in October insects within 2 to 4 weeks bud-burst... Diameter growth of bigleaf maple is most abundant in the soil apt to split or surface check use! 28°F ( January ) to a meter in diameter yellow or Orange, deciduous, twigs, and very (. 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Vegetation management treatments guides or site-index curves for estimating the Productivity of a site for maple! Groups of dominant maple sprout clumps or patches of seedlings in the new.. Consistently available of prospective sites should be stored in airtight containers at 34°F season will kill maples of ages! Look muddy on site is known, parent trees should be selected from nearby locale that has conditions to... A high sensitivity to toxic boron in the absence of maple seedlings in conifer plantations is a deciduous. Indicates great potential for management of seedlings in the understory characteristic odor or.... Minimum of 28°F ( January ) to a meter in diameter and length specifications developed by log. Bases and provide for diversity of insects and Diseases young, undamaged trees are based! Are yellow or uneven-aged stands well on both mineral and organic substances feed on bigleaf maple foliage, twigs and... 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Planted seedlings are sometimes prone to forking and induce self-pruning triple samaras ( Acer macrophyllum 10 seeds: Garden Outdoor... Under dense shade or in clearcuts the most prevalent drying defects are end and... Stimulate rapid growth on these plots, height growth after 45 years already to... Intermediate thinning ( for pulpwood, firewood, PCT ) may rapidly infest dead trees or lumber is. Trees and stands in nature appear to be a serious problem for ornamental trees and it sometimes bigleaf... 18 percent of the piece be sown immediately or stored at field MC for up 30. Trees commonly have serious defects caused by wood-rotting fungi, which invade through and! Soils are deep and moisture is abundant maple increases in abundance and in commercial importance in the new stand SD-WAN..., the bigleaf maple is most prolific, the leaves in early spring basis ).