Vein pattern
Shape of pigmentation on veins on leaf lower surface
| Code | Term | Description |
|---|---|---|
| 1 | V pattern | pattern in a ‘V’ space |
| 2 | I pattern | pattern in an ‘I’ shape |
| 3 | Y pattern | pattern in a ‘Y’ shape |
| 4 | Y pattern and extending to secondary veins | |
| 99 | 99 Other (specify) |