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그루안

Korean boxwood

Buxus sinica var. insularis · Buxaceae · 회양목

How to spot it

One-year-old twigs are green, square and hairy, with thick elliptic small leaves (12 to 17 mm).

Look

Leaves
The leaves are thick and elliptic, 12 to 17 mm long, with hairs on the lower part of the midrib above, the margin on the underside rolled back, and a 2 mm hairy leaf stalk.
Flowers
Pale yellow flowers bloom in March to April, with male and female flowers in small groups. Male flowers have whitish filaments and yellow anthers; female flowers have a triangular ovary with three stigmas (per the National Species List of Korea).
Fruit
The fruit is an egg-shaped capsule 10 mm long, hairless, brown, ripening from early September to late October.

Where it grows

In Korea
Native (Korean Peninsula)
Native to
Japan and the Korean Peninsula south of Pyeongannam-do and Hamgyeongnam-do, Jeju-do and the southern coastal islands; grows mainly on limestone.
Ecology
Grows mainly on limestone.

Sources