Clocks and Heron's bill

Clocks noun - European weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight up; often grown for forage.

Heron's bill and clocks are semantically related. In some cases you can use "Heron's bill" instead a noun "Clocks".

Heron's bill noun - Any of various plants of the genus Erodium.

Clocks and heron's bill are semantically related. Sometimes you can replace term "Clocks" with "Heron's bill", this terms are similar.