| 1 | Leaflets small, e. 3 by 2 cm, apex rounded; hypanthium tubular, 5-8 mm |
| 1' | Leaflets large, 8-30 by 3.5-10 cm, apex acuminate; hypanthium campanulate, c. 3 mm |
| 2 | Inflorescences woolly tomentose; bracts and bracteoles 7-10 mm, persistent.. |
| 2' | Inflorescences glabrous; bracts and bracteoles minute, early caducous |
