| Kind | Value | annotation | ||
| enumeration | 4_broadly wedge-shaped convex | |||
| enumeration | 11_distinctly cordate | |||
| enumeration | 10_medium cordate | |||
| enumeration | 9_weakly cordate | |||
| enumeration | 8_straight | |||
| enumeration | 7_broadly wedge-shaped concave | |||
| enumeration | 6_broadly wedge-shaped straight | |||
| enumeration | 5_rounded | |||
| enumeration | 3_wedge-shaped concave | |||
| enumeration | 2_wedge-shaped straight | |||
| enumeration | 1_wedge-shaped convex |