noun
China rose; monthly rosebush
Refers to Rosa chinensis, a species of rose native to China, also known as the monthly rose. The Japanese name コウシンバラ is derived from 庚申 (こうしん), the 57th term in the sexagenary cycle, possibly from a traditional association.
See also: 長春花
庭にコウシンバラが咲いている。
A China rose is blooming in the garden.
The China rose is known as a variety that blooms in all seasons.