| 1 | Calyx lobes triangular, reflexed at anthesis, calyx tube continuous with pseudopedicel, 4–6 mm long, articulated with pedicel to 1.5 mm |
| 1' | Calyx lobes orbicular to suborbicular, not reflexed at anthesis, calyx tube sessile or subsessile |
| 2 | Fruit ellipsoid to globose, 2–4 cm long; infructescences borne on branches and bole, rarely on twigs |
| 2' | Fruit globose, to 15 mm diam., infructescences borne on twigs |
