The following is a list of spot-characters recorded for this species.
Number of spot characters found: 8| Spot number | Spot-character | Comment |
| 16 | Annuals | |
| 25 | Plant monoecious | |
| 734 | Leaves (or leaflets in compound leaves) 3(-5)-veined from the base | |
| 739 | Leaves opposite | Lower leaves opposite; upper alternate |
| 740 | Leaves alternate | Lower leaves opposite; upper alternate |
| 741 | Leaves simple | |
| 750 | Leaves (or leaflets in compound leaves) with toothed margin | |
| 1018 | Fruit lobed |