| 1 | Sepals mostly leaf-like broadened at apex (long-clawed) or ± linear. Fruiting pedicel much broadened at the transition to the fruit |
| 1' | Sepals linear. Fruiting pedicel not or hardly broadened at the transition to the fruit |
| 2 | Fruiting pedicel stout, terete, spongy |
| 2' | Fruiting pedicel slender, angular, not spongy |
