Northern Red Oak
Quercus rubra · Fagaceae · 루브라참나무
How to spot it
The 7 to 11 lobes of the leaf end in bristle-like points, and the acorn cup is shallow.
Look
- Leaves
- Leaves have 7 to 11 lobes, and the tooth tips are bristle-like.
- Flowers
- Male flowers hang in greenish-yellow drooping catkins; female flowers are small and egg-shaped.
- Fruit
- Brown to reddish-brown acorns borne singly or in pairs on short stalks, with a shallow cup covering about the upper quarter. They take two growing seasons to mature.
- Bark
- Gray bark with broad ridges; the inner bark is red or pinkish.
Where it grows
- In Korea
- Planted
- Native to
- Southeastern Canada and the north-central and eastern United States.
- Ecology
- Grows on moderately moist slopes, in valleys and on well-drained uplands, and tolerates drought once established. Acorns feed birds and mammals.