Blessed thistle and Herbaceous plant

Blessed thistle noun - Tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America.

Herbaceous plant and blessed thistle are semantically related. In some cases you can use "Herbaceous plant" instead a noun phrase "Blessed thistle".

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

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