What's the difference between bedstraw and crosswort?

Bedstraw

Definition:

• (n.) Straw put into a bed.
• (n.) A genus of slender herbs, usually with square stems, whorled leaves, and small white flowers.

Example Sentences:

Crosswort

Definition:

• (n.) A name given to several inconspicuous plants having leaves in whorls of four, as species of Crucianella, Valantia, etc.

Example Sentences: