| 1 | Male raceme less than 0.5 cm long, with few subfascicled flowers; pedicels 2-3 mm long |
| 1' | Male raceme 1-4(-5) cm long, flowers more spaced; pedicels 5-20 mm long |
| 2 | Male raceme c. 10-flowered; pedicels 5-10(-15) mm long |
| 2' | Male raceme lax, c. 5-flowered; pedicels (5-)10-20 mm long |
