Traits observed | Code | Variants |
Shape of the base of the leaf | ShBL | 1. peltate 2. sagittal 3. hastate |
Predominant position (shape) of the leaf blade surface | PrPL | 1. drooping 2. horizontal 3. cup-shaped 4. erect apex down (EAD) 5. oriented apex down (OAD) |
Margin of the leaf blade | MaLB | 1. whole 2. corrugated |
Leaf blade variegation | LeBV | 0. absent 1. present |
Profile of the petiolar junction | PrPJ | 0. absent 1. small 2. large |
Shape of the leaf sheath | ShLS | 1. closed 2. open |
Shape of the appendix | ShAp | 1. thin 2. thick 3. hook |