English Walnut
Juglans regia · Juglandaceae · 호두나무
How to spot it
Characterized by pinnate compound leaves with 5 to 11 leaflets and walnuts wrapped in a green outer husk; crushed leaves smell like citrus.
Look
- Leaves
- Pinnate compound leaves; the terminal leaflet is the largest, and the leaflets get smaller toward the leaf stalk.
- Flowers
- Male flowers hang in catkins, and female flowers appear as the leaves emerge or just after.
- Fruit
- The green outer husk of the round walnut ripens and turns brown; inside is a wrinkled hard shell holding the edible seed.
- Bark
- Young bark is smooth and olive-brown; with age it develops a diamond pattern.
Where it grows
- In Korea
- Planted
- Native to
- From northeastern and eastern Turkey to Lebanon and the western Himalayas.
- Ecology
- Small mammals eat the nuts, and NC State records it as a host plant for larvae of American moths such as Citheronia regalis.