Terms:
Whole plant: above ground
Root: below ground
Rhizomes: roots
Annual: plant with one life cycle
Perennial: plant that has more than one life span
Biannual: plant that flower then seeds and dies
Bulb: storage organ for underground
Deciduous: tree or shrub that loosed leaves annually at the end of season
Dormant: alive but inactive
Evergreen: foliage stays on year round and sheds leaves at intervals thru the year.
Hardy: Tolerant year round climate in your area
Taproot: a thick main root system
Umbel: flat topped or rounded flower cluster from flower central point.
Whorl: three or more leaved flower from stem at the same level (encircling)