buttercup witch hazel; winter hazel
A deciduous shrub native to Japan and Taiwan, producing pale yellow flowers in early spring. The scientific name is Corylopsis pauciflora.
I planted a buttercup witch hazel in the garden.
The flowers of the winter hazel make you feel the arrival of spring.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare; the plant name is almost always written in kana.
The name ヒュウガミズキ likely derives from 日向 (Hyūga, an old province name) and 水木 (mizuki, a type of dogwood), though the exact origin is uncertain.