The APG III system treats them as two separate families in the Liliales , both distinct from Smilacaceae .
The authors suggested that the Ripogonaceae and Philesiaceae could be combined into a single family based both on the genetic similarity of their plastids and common morphological features .
The APG III system treats authors as two separate families in the Liliales , both distinct from Smilacaceae .
The authors suggested that the Ripogonaceae and Philesiaceae could be combined into a single family based both on the genetic similarity of their plastids and common morphological features .