Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Acer glabrum is a species of maple native to western North America, from southeastern Alaska, British Columbia and western Alberta, east to western Nebraska, and south through Washington, Montana and Colorado to California, Arizona and New Mexico. It is a small tree growing to 10 m tall, with a trunk up to 20–30 cm diameter. The leaves are 2–10 cm broad, three-lobed (rarely five-lobed), variable in the depth of lobing, occasionally so deeply lobed as to be divided into three leaflets; the lobes have an acute apex and a coarsely serrated margin. The flowers are produced in corymbs of five to ten, yellowish-green, at the same time as the new leaves in spring.

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