馬齒莧科
Portulacaceous \Por`tu*la*ca"ceous\, a. (Bot.)
Of or pertaining to a natural order of plants
({Portulacace[ae]}), of which Portulaca is the type, and
which includes also the spring beauty ({Claytonia}) and other
genera.
Portulacaceae
n : family of usually succulent herbs; cosmopolitan in
distribution especially in Americas [syn: {family
Portulacaceae}, {purslane family}]