ˌpərsəˈka(a)rēə noun
Etymology: Medieval Latin, from Latin persicum peach + -aria -ary — more at peach
1. -s : a plant of the genus Polygonum that has flowers in spicate racemes (as the lady's thumb or water pepper)
2. capitalized
[New Latin, from Latin]
in some classifications : a genus of herbs (family Polygonaceae) having flowers in spicate racemes and being now usually included in the genus Polygonum