If you are interested in bees and bee keeping there is a lot of information in the library and on the internet. You would be an apiarist if you kept bees. There are other kinds of bees that are important to farmers. Look up Carpenter Bees. They are helping take the place of Honey Bees in some circumstances.
Clovers are hairy stemmed to prevent ants from easily climbing the stems.
Tri folium refers to the 3 leaflets that make up a clover's compound leaf.