Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Legume 10-40 cm long, 0.3-0.8 cm wide; legume ×-section terete, laterally compressed, or somewhat tetrangular (but not at all flanged or winged); seeds many (> 10) per legume; [sect. Sesbania].
..2 Corolla 60-80 (-100) mm long; legume 30-40 cm long; [of FL peninsula]
1 Legume 3-8 cm long, 0.6-1.6 cm wide; legume ×-section laterally compressed or obviously tetrangular (the corners flanged or prominently winged); seeds 1-10 per legume.
......4 Corolla 8-9 mm long; legume flattened; seeds 1-2 (-3) per legume; leaves with 8-13 (-18) pairs of leaflets; [sect. Glottidium]