Herb of grace and Herbaceous plant

Herb of grace noun - European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy.

Herbaceous plant and herb of grace are semantically related. In some cases you can use "Herbaceous plant" instead a noun phrase "Herb of grace".

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

Herb of grace and herbaceous plant are semantically related. Sometimes you can replace phrase "Herb of grace" with "Herbaceous plant", this phrases are similar.