![]() ![]() ^ Li, Jianhua Stukel, Mark Bussies, Parker Skinner, Kaleb Lemmon, Alan R.Cheriton Graphics, Ottawa, Ontario, Canada. Northwest Trees: Identifying & Understanding the Region's Native Trees (field guide ed.). ^ a b c d Jepson Flora: Acer circinatum.^ a b c d Plants of British Columbia: Acer circinatum.^ "Acer circinatum Pursh - The Plant List".The Quinault people used the shoots to weave baskets. It is occasionally cultivated outside its native range as an ornamental tree, from Juneau, Alaska, and Ottawa, Ontario, to Huntsville, Alabama, and also in northwestern Europe. Various birds and mammals eat the seeds of this species. It typically grows in the understory below much taller forest trees, but can sometimes be found in open ground, and occurs at altitudes from sea level up to 1,500 m (4,900 ft). It can found no further inland than the east side of the Cascade Range. It can be found from southwest British Columbia to northern California, usually within 300 kilometres (190 miles) of the Pacific Ocean coast, found along the Columbia Gorge and Coastal Forest. It is the only member of the Palmatum group that resides outside of Asia. It can be difficult to distinguish from these species in cultivation. It belongs to the Palmatum group of maple trees native to East Asia with its closest relatives being the Acer japonicum (fullmoon maple) and Acer pseudosieboldianum (Korean maple). This characteristic makes it the only maple capable of layering. Sometimes, this can cause the top of the tree to grow into the ground and send out a new root system, creating a natural arch. The fruit is a two-seeded samara, each seed 8 to 10 mm ( 5⁄ 16 to 3⁄ 8 in) in diameter, with a lateral wing 2 to 4 cm ( 3⁄ 4 to 1 + 5⁄ 8 in) long. The flowers are small, 6 to 9 millimetres ( 1⁄ 4 to 3⁄ 8 in) in diameter, with a dark red calyx and five short greenish-yellow petals they are produced in open corymbs of 4 to 20 together in spring. The leaves turn bright yellow to orange-red in autumn. The leaves are 3 to 14 cm ( 1 + 1⁄ 4 to 5 + 1⁄ 2 in) long and broad, opposite, palmately lobed with 7 to 11 lobes, almost circular in outline, and thinly hairy on the underside the lobes are pointed and with coarsely toothed margins. The trunk rarely grows more than 25 centimetres (10 inches) thick. It most commonly grows as a large shrub growing to around 5 to 8 metres (16 to 26 feet) tall, but it will occasionally form a small to medium-sized tree, exceptionally to 18 m (59 ft) tall. If you are in doubt, look at the bark of the tree to make a positive identification.Acer circinatum, the vine maple, is a species of maple native to western North America. In most cases, the leaves will be enough to help you determine what kind of maple you have. If the leaf margin, or edge, of your maple's leaves appear serrated, it is probably a red maple. ![]() 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.Fuzzy: If your maple tree has a soft white coating on the underside of the leaf, it is almost certainly a silver maple.A leaf from a Norway maple will yield a milky sap from the end of the leaf, while the sugar maple will not. The easiest way to tell these species apart using the leaves is to break a leaf off the twig. Large, 5-lobed leaf: Both the sugar maple and the Norway maple have this characteristic, with the sugar maple leaf having a few large teeth and rounded spaces between the lobes.There is some variation between cultivars of this tree, but most possess this feature to a greater or lesser degree. However, you will note all lobes of this leaf still originate from a single point on the leaf stock and have no stems of their own. Very deeply-lobed leaves: The Japanese maple is known for very distinct lobing of the leaves, so much so that they almost appear to be compound leaves.You will be able to easily distinguish between these two species by looking at the bark, detailed below. Compound leaves: While the majority of maple species have simple leaves, two notable exceptions, the box elder and the paperbark maple, have compound leaves, with three to five leaflets per leaf stock.Looking more closely at the details of the leaf will give you a better idea what sort of maple you have: Most maple species have simple, as opposed to compound, leaves with multiple lobes, the veins of which originate from a single, roughly central point on the leaf. You may already be familiar with the distinctive leaf shape associated with most members of the genus Acer. ![]()
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