noun
spike winter hazel
A deciduous shrub native to Japan, bearing pale yellow flowers in early spring. Scientific name: Corylopsis spicata.
庭にトサミズキを植えたら、春にきれいな花が咲いた。
When I planted a spike winter hazel in the garden, it bloomed with beautiful flowers in spring.
Named after Tosa Province (modern-day Kōchi Prefecture) and the mizuki (dogwood) tree, though it belongs to a different genus.