1a | Flowers white | 2 |
2a | Leaves, stems (in young shoots) and involucres with peltate-stellate hairs; capitula radiate | Aequatorium |
2b | Leaves, stems (in young shoots) and involucres glabrous, with single or stellate hairs; capitula discoid | 3 |
3a | Trees; leaves, stems (in young shoots) and involucres with stellate hairs; outer phyllaries present. Colombia and Venezuela | Paragynoxys |
3b | Scandent shrublets; leaves, stems (in young shoots) and involucres with hairs absent or simple; outer phyllaries absent. Bolivia and Peru | Paracalia |
1b | Flowers yellow | Gynoxys |