2024 Edition • Donate • Get the App • Cite this Page
X

Colors

Data mode

Account

Login
Sign up

Support FSUS...

We've finished our 2024 fundraiser. Many thanks to those who have given! It's not too late to support us (click here)...

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.

Key to Sesbania

Copy permalink to share

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]
  2 Corolla 8-22 mm long; legume 10-20 cm long; [collectively widespread].
    3 Leaf lower surfaces and stems glabrous or glabrate; legume 15-20 cm long; flowers 10-22 mm long; [common, widespread, and native (though weedy)]
    3 Leaf lower surfaces and stems sericeous or villous (silky with appressed or subappressed hairs); [rare exotic]
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]
      4 Corolla 9-25 mm long; legume quadrangular or 4-winged; seeds 4-10 per legume; leaves with 10-35 pairs of leaflets; [sect. Daubentonia].
        5 Legume quadrangular or slightly flanged, 0.5-0.8 cm wide; corolla 9-12 mm long
        5 Legume conspicuously 4-winged longitudinally, 1-1.5 cm wide; corolla 13-25 mm long.
          6 Corolla yellow; pedicels 0.5-1.0 cm long; legume blunt or abruptly acuminate to a beak
          6 Corolla orange or red; pedicels 0.5-1.2 (-1.5) cm long; legume acuminate or tapering to a beak