Herbaceous plant and Petasites vulgaris

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

Petasites vulgaris and herbaceous plant are semantically related. In some cases you can replace phrase "Petasites vulgaris" with "Herbaceous plant", this phrases are similar.

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

Herbaceous plant and Petasites vulgaris are semantically related. You can use "Herbaceous plant" instead a noun phrase "Petasites vulgaris".