| Code | Definition | Number of Accessions |
| 1 | ACUTE (MD 64) | 296 |
| 2 | ACUMINATE (SPEIGHT G-70, MCNAIR 373, COKER 48) | 839 |
| 3 | OBTUSE (MD 872, REAMS 64, NC 13) | 2 |
| AC | Tapering to a pointed apex with more or less straight sides | 404 |
| AM | Gradually tapering to a sharp point and forming concave sides along the tip | 67 |
| AP | Ending abruptly in a small, slender point | 6 |
| CU | Tipped with a short, sharp, abrupt point | 31 |
| MA | | 179 |
| SA | Slightly acute | 20 |
| VA | | 43 |
| VM | Can barely discern concave nature of the sides leading to the tip | 276 |