Pertya glabrescens Sch.Bip.

국표에 없다.

Nagabanokouyabuki is a plant endemic to Japan. It has an erect stem, about 1 m high, and the paired leaves are lanceolate, 10-20 cm long and 2-4 cm wide, with a glossy surface. The edges of the leaves are serrated, and the fresh green leaf blades shine beautifully. Nagabano Koyabuki prefers moist places such as mountains and wetlands, and is characterized by small white flowers blooming from summer to autumn. The flower, consisting of five petals, is plain, but delicate and graceful. In fact, it is a small fruit with a diameter of about 1 cm, which turns red and falls off when ripe. It is easy to grow and grows easily if you choose a sunny and well-drained place and water it moderately. It is a beautiful plant that is often found in gardens and parks.

ナガバノコウヤボウキ（長葉高野箒） (Pertya glabrescens)の特徴,育て方,花言葉 (terra-rium.com)

https://youtu.be/yfjvDLs3KRU?t=80