1) Diapensia family 2) Dilleniid dicot family 3) Family diapensiaceae 
The Diapensiaceae are a small family of flowering plants, comprising 12 species in five genera. Three of the genera, Berneuxia, Galax, and Pyxidanthera, contain only a single species. The Asian species of Shortia were formerly separated as the genus Schizocodon, and some authors still recognize S. soldanelloides under that name. Another genus, Dip...
[n] - north temperate low evergreen plants
family Diapensiaceae noun north temperate low evergreen plants; in some classifications placed in its own order Diapensiales