Hydrolea
noun
Hy·dro·lea
hīˈdrōlēə
: a genus of blue-flowered perennial herbs (family Hydrophyllaceae) of warm regions having entire leaves and flowers with two distinct styles and bilocular ovaries and capsules
Word History
Etymology
New Latin, from hydr- + Latin olea olive; from the watery habitat and the resemblance of the leaves to those of the olive