| | 1. Awn of outer flower bract (0.5)1–1.5 mm, outcurved; fruit light brown |
| L. occidentalis |
| | 1' Awn of outer flower bract < 1 mm, ± straight to outcurved; fruit light (reddish) brown to black |
| |
| | 2. Inner flower bract ± = fruit, awn of outer flower bract 0.5–1 mm; fruit light reddish brown to black |
| L. aristulata |
| | 2' Inner flower bract 0 or < 1/2 fruit, awn of outer flower bract < 0.2 mm; fruit light brown |
| L. micrantha
|