| 1. Flower erect; sepals and petals generally cream to pink |
| A. pubescens |
| 1' Flower nodding; sepals red, petals generally red to yellowish |
| |
| 2. Petal spur ± outcurved, mouth > 90° to flower axis, elliptic to triangular; petal blade 0 |
| A. eximia |
| 2' Petal spur ± straight to ± incurved, mouth ± 90° to flower axis, ± round; petal blade 18 mm |
| A. formosa
|