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그루안

River Birch

Betula nigra · Betulaceae · 흑자작나무

How to spot it

Young bark is salmon to rusty brown and hangs in paper-like peeling pieces.

Look

Leaves
Pointed leaf tips, with distinct veins visible on the underside.
Flowers
Slim, long, cylindrical light green catkins appear in spring.
Fruit
Cone-like clusters containing small nutlets form, and the seeds scatter in spring.
Bark
Young bark is salmon to rusty brown and peels in paper-like layers.

Where it grows

Native to
Native to the central and eastern United States.
Ecology
In its native range it grows on riverbanks, streamsides and floodplains, and cases of tolerating long flooding are recorded.

Sources