what does Batis maritima mean?

BATIS MARITIMA as NOUN

Meaning
- low-growing strong-smelling coastal shrub of warm parts of the New World having unisexual flowers in conelike spikes and thick succulent leaves
Synonym(s)
- saltwort (what does saltwort mean?)
Hypernyms(s) Batis maritima is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- shrub (what does shrub mean?)
- bush (what does bush mean?)