Melilotus
Jahn, R. & Schönfelder, P. 1995: Exkursionsflora für KretaMeikle, R.D. 1977: Flora of Cyprus 1 Both keys combined and modified.
1 | Petals white; racemes elongate, often exceeding 5 cm in length; pods reticulate-rugose, fuscescent when ripe |
1' | Petals yellow; racemes less than 5 cm long; pods pale brown or olive-brown when ripe |
2 | Pods reticulate or reticulate-rugose |
2' | Pods with numerous close concentric ridges or transversely striate |
3 | Pods 5-6 mm long |
3' | Pods 2-2.5 mm long |
4 | Pods transversely striate |
4' | Pods with numerous close concentric ridges |
5 | Pods 6-7 mm long; fruiting raceme much shorter than subtending leaf |
5' | Pods 3-5 mm long; fruiting raceme equalling or exceeding subtending leaf |
6 | Corolla 2.5-4 mm long; pods 3-3.5 mm long; raceme with 8-25 flowers |
6' | Corolla 4-8 mm long; pods 3-5 mm long; raceme with 25-50 flowers |