Sawtooth Oak
Quercus acutissima · Fagaceae · 상수리나무
How to spot it
Each lateral vein ends in a bristle-like tooth, and the acorn cup has long, spreading scales.
(original photo, new tab)Leaf · Photo Krzysztof Golik · CC BY-SA 4.0 
(original photo, new tab)Leaf · Photo Liné1 · CC BY-SA 3.0 
(original photo, new tab)Bark · Photo Bladner32 · CC BY-SA 4.0
Look
- Leaves
- The leaf margin teeth end in bristle-like points, and each lateral vein runs to a tooth.
- Flowers
- Small greenish-yellow male and female flowers open as the leaves emerge; the male catkins are yellow and hang down.
- Fruit
- Oval acorns, with a cup of long, spreading, recurved scales covering about two thirds of the acorn.
- Bark
- Gray to black bark with developed ridges and furrows.
Where it grows
- In Korea
- Native (Korean Peninsula)
- Native to
- From the Himalayas to China, and central and southern Korea and Japan.
- Ecology
- Fast-growing and tolerant of hot, humid conditions. The acorns are wildlife food but are recorded as less preferred because of their bitter taste.