Home Forum Resources Shop Journey Log Back to map


Lewis and Clark
SHOWING RECORD: 13 of 47   Bigleaf Maple
PreviousNextJournals and Maps
image: Bigleaf Maple
Photograph by Mark E. Gibson/Corbis
Bigleaf Maple

Acer macrophyllum

First Noted by Expedition
April 10, 1806, at Bonneville Dam, Oregon-Washington.

Small to large tree with broad, rounded crown of spreading or drooping branches and the largest leaves of all maples. Height: 30-70 ft (9-21 m). Diameter: 1-2.5 ft (0.3-0.8 m). Flowers 0.3 in (0.8 cm) long; yellow and fragrant.

Stream banks and in moist canyon soils; sometimes in pure stands.

Southwestern British Columbia to southern California; to 1,000 ft (305 m) in north; at 3,000-5,500 ft (914-1,676 m) in south.

The common and scientific names describe the very large leaves. The only western maple with wood of commercial importance. Indians made canoe paddles from the wood, and maple sugar can be obtained from the sap.

Species information from enature.com

Subscribe Online
Your subscriptions help National Geographic conservation efforts worldwide >>

Big Sagebrush
Bigleaf Maple
Canyon Gooseberry
Cascade Oregon-Grape
Chocolate Lily
False Buckthorn
Golden Currant
Hollyleaf Oregon-Grape
Large-Flower Tritelia
Large-Head Clover
Lindley's Silverpuffs