| Kind | Value | annotation | ||
| enumeration | 1_narrow elliptic | |||
| enumeration | 2_medium elliptic | |||
| enumeration | 3_broad elliptic | |||
| enumeration | 4_circular | |||
| enumeration | 5_transverse broad elliptic | |||
| enumeration | 6_transverse narrow elliptic | |||
| enumeration | 7_obovate | |||
| enumeration | 8_broad obtrullate | |||
| enumeration | 9_triangular |