1) Dicot genus 2) Genus rhizophora 3) Magnoliopsid genus 4) Type genus of the ceae 
Rhizophora is a genus of tropical mangrove trees, sometimes collectively called true mangroves. The most notable species is the Red Mangrove (Rhizophora mangle) but some other species and a few natural hybrids are known. Rhizophora species generally live in intertidal zones which are indundated daily by the ocean. They exhibit a number of adaptati...
• (n.) A genus of trees including the mangrove. See Mangrove.
Rhi·zoph'o·ra noun [ New Latin See Rhizophorous .] (Botany) A genus of trees including the mangrove. See Mangrove . 
[n] - type genus of the Rhizophoraceae
genus Rhizophora noun type genus of the Rhizophoraceae; a small genus of tropical trees and shrubs