noun
Satsuma mock orange; Philadelphus satsumi
A species of flowering shrub in the hydrangea family, native to Japan. The name literally means 'plum-blossom deutzia'.
庭に梅花空木が咲いている。
A Satsuma mock orange is blooming in the garden.
Katakana spelling, common in botanical contexts.
From 梅花 (baika, 'plum blossom') + 空木 (utsugi, 'deutzia'), referring to the resemblance of its flowers to plum blossoms.