Fraxinus longicuspis
Fraxinus longicuspis (syn. Fraxinus pubinervis), the taper-tip ash or Japanese ash (a name it shares with other members of its genus), is a species of flowering plant in the family Oleaceae, native to the mountains of central and southern Japan. A deciduous tree, it is hardy to USDA zone5. It is used as a street tree in a few cities around the world. References

longicuspis
Endemic flora of Japan
Trees of Japan
Plants described in 1846
Taxa named by Philipp Franz von Siebold
Taxa named by Joseph Gerhard Zuccarini