A root collar is defined as the line of junction between the root of a plant and its stem or trunk.
Glossary of Terms
Glossary of Terms
Root Collar
Root Flare
A root flare is defined as the area at the base of the plant’s stem or trunk where the stem or trunk broadens to form roots; the area of transition between the root system and the stem or trunk.
Root Mass
Root mass is defined as a plant's overall amount of root growth.