Answer:
The faster you run, the harder it is to catch me. What am I?
I'm a word that's hardly there. Take away my start and I'm an herbal flair. What am I?
You use a knife to slice my head but you weep beside me when I am dead
I have two body parts but am used to measure length. What am I?
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.