| 1 | Corolla-tube much longer than subtending bract; awns of corolla lobes 2-2.5 mm long |
| 1' | Corolla-tube equalling or only a little longer than subtending bract; apical awns of corolla lobes 0.4-0.7 mm long |
| 2 | Pairs of bracts connate for almost 2 mm above base |
| 2' | Pairs of bracts free or almost free to base |
| 3 | Bracts smooth or minutely scabridulous only at apex, broadly ovate, cuspidate-acute, c. 5 x 2.5-3 mm; corolla lobes ususally 4 |
| 3' | Bracts conspicuously scabridulous-ciliate, lanceolate or narrowly ovate-acuminate, 6-8 x c. 2 mm; corolla lobes usually 5 |
