American gentian and Herbaceous plant

American gentian noun - Any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington.

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

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

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