Alliaceous plant and Leek

Alliaceous plant noun - Bulbous plants having a characteristic pungent onion odor.

Leek and alliaceous plant are semantically related. In some cases you can replace term "Leek" with "Alliaceous plant", this terms are similar.

Leek noun - Plant having a large slender white bulb and flat overlapping dark green leaves; used in cooking; believed derived from the wild Allium ampeloprasum.

Alliaceous plant and leek are semantically related. You can use "Alliaceous plant" instead a noun "Leek".