- Flower nameJapanese hophornbeam
- Scientific nameOstrya japonica
- Aliasミノカブリ, ハネカワ, Japanese hophornbeam
- Place of originJapan, Korea, China
- Place of floweringBotanical Gardens, Low mountains, Sub-alpine, Park, Streets, Planting
- Flowering seasonMay
What is Japanese hophornbeam
Japanese hophornbeam or Asada (scientific name: Ostrya japonica) is deciduous broad leaved trees of the family Betulaceae in Japan, Korean Peninsula, China. Only one kind is included in this affiliation. In Japan, it can be seen in the flatland and mountainous areas from Hokkaido to Kyushu. The bark becomes dark gray, it turns into small pieces and warps, peeling off as it grows. Leaves are narrow oval, leaf edges have heavy serrated teeth, and they alternate. In May of the same period as leaf development, flowers will bloom in the spikelets emerging from the branches. Male flower is yellowish brown, female flower is red. Uses are trees as park trees and street trees, materials as building materials, furniture materials and equipment materials.