Examples from the Web for japonica
This planting (Buckwalter) consists of Castanea mollissima, mollissima hybrids and Japonica (crenata).Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting|Northern Nut Growers Association
Japonica, jap-on′i-ka, n. an abbreviation for Pyrus japonica, the Japanese quince.
I don't think that japonica ever had as many flowers before; and what a season for tulips!Barrington|Charles James Lever
The second popularly passes under the name of terra Japonica (Japan earth), from the old belief that it was of mineral origin.
Thus in ten days he found himself in the land of the palmetto and the japonica.A Republic Without a President and Other Stories|Herbert Ward