Butterbur and Herbaceous plant

Butterbur noun - Small Eurasian herb having broad leaves and lilac-pink rayless flowers; found in moist areas.

Herbaceous plant and butterbur are semantically related. In some cases you can use "Herbaceous plant" instead a noun "Butterbur".

Herbaceous plant noun - A plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests.

Butterbur and herbaceous plant are semantically related. Sometimes you can replace term "Butterbur" with "Herbaceous plant", this terms are similar.