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그루안

Chinese Tallow Tree

Triadica sebifera · Euphorbiaceae · 오구나무

How to spot it

Identified by leaves with conspicuous yellow veins and white popcorn-like seeds that remain into winter.

Look

Leaves
Leaves are 2.5 to 7.5 cm long, narrowing at the base and long-pointed at the tip, with prominent yellow veins.
Flowers
Petalless yellow flowers grow on drooping catkin-like spikes about 20 cm long.
Fruit
Inside the three-chambered capsule (1.3 to 1.9 cm long) are three round seeds wrapped in white wax, looking like popcorn.
Bark
The trunk is twisted and cracked, and the bark sometimes peels in narrow vertical strips.

Where it grows

Native to
Native to China and Japan.
Ecology
The flowers attract insects such as bees, and the seeds attract birds.

Sources