The genera Dracaena and Sansevieria (Asparagaceae, Nolinoideae) are still poorly resolved phylogenetically. Plants of these genera are commonly distributed in Africa, China, Southeast Asia, and America.
This view is rejected by some researchers [4 ] but has found phylogenetic support among others. [5 ] [6 ] The Macro-Bai languages, whose classification is difficult, may be an offshoot of Old Chinese and thus Sinitic; [7 ] otherwise…
PCS Notes by Sunil S Harakannanavar - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document outlines the course Principles of Communication Systems for fourth semester electronics and communication…