noun
trumpet honeysuckle; Lonicera sempervirens
A species of honeysuckle with trumpet-shaped flowers; the Japanese name literally means 'piercing honeysuckle' because the stem appears to grow through the leaves.
庭にツキヌキニンドウを植えた。
I planted trumpet honeysuckle in the garden.
ツキヌキニンドウの花は赤やオレンジ色で、とてもきれいだ。
The flowers of the trumpet honeysuckle are red or orange and very beautiful.
From 突き抜く (tsukinuku, 'to pierce through') + 忍冬 (nindō, 'honeysuckle'), referring to the way the stem appears to grow through the leaves.