1a. Plant a monocot: leaves grasslike or lily like, with unbranched
veins all parallel to leaf margin;
perianth
parts in 3's or 6's .........................................................................................................
2.
1b. Plant a dicot: leaves not grasslike or lily like, with
central midrib and network of branched
secondary veins; perianth parts
usually in 4's or 5's....................................................................
12.