Red-wood evergreen oak
Quercus acuta · Fagaceae · 붉가시나무
How to spot it
One-year-old twigs are densely brown-hairy, and the wood is reddish and hard. The cup has round rings instead of scales.
Look
- Leaves
- Long elliptic to long egg-shaped, 7-13 cm long and 3-5 cm wide, with smooth margins and sometimes teeth near the top. Glossy dark green above, yellow-green and leathery beneath, with 9-13 pairs of side veins and a leaf stalk of 1-3 cm.
- Flowers
- Blooms in May. Male catkins hang from the base of new shoots with brownish-yellow hairs; female catkins stand upright higher up.
- Fruit
- The cup is hemispherical, with 5-6 round rings and no developed scales; the elliptic nut is 2 cm long, bitter, and ripens in October of the next year.
- Bark
- Dark brown and slightly peeling.
Where it grows
- In Korea
- Native
- Native to
- Found in Japan, Taiwan and China; in Korea it is common at 170-500 m elevation in Jeollanam-do, Gyeongsangnam-do, Gyeongsangbuk-do and Jeju.
- Ecology
- Grows on sunny mountain foothills and in valleys; also tolerates partial shade, and likes deep, fertile sandy loam. Weak in cold, so it is hard to overwinter outdoors inland; strong against salt wind and pollution.