| 1 | Racemes 0.5-l(-2.5) cm, dense, pedicels 0-2 mm. Leaves thin, papyraceous |
| 1' | Racemes 1.5-6.5(-9) cm, loose, pedicels 1-7 mm. Leaves herbaceous or coriaceous. |
| 2 | All or at least most of the full-grown leaves shorter than 7 cm. |
| 2' | All or at least most of the full-grown leaves longer than 9 cm |
