Echium vulgare and Herbaceous plant

Echium vulgare noun - A coarse prickly European weed with spikes of blue flowers; naturalized in United States.

Herbaceous plant and Echium vulgare are semantically related. In some cases you can use "Herbaceous plant" instead a noun phrase "Echium vulgare".

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

Echium vulgare and herbaceous plant are semantically related. Sometimes you can replace phrase "Echium vulgare" with "Herbaceous plant", this phrases are similar.