Flora of the Southeastern United States
2022 Edition

Colors

Data mode

Key to Descurainia

1 Silique 10-25 (-30) mm long, acute to acuminate, the seeds mostly in 1 row
1 Silique 5-10 (-13) mm long, obtuse or clavate, the seeds mostly in 2 rows.
..2 Leaves densely gray-canescent; angle between fruiting pedicels and rachis ca. 75 degrees; pedicels glandular-puberulent, 6-12 mm long; plants 2-5 dm tall; [primarily of the Coastal Plain]
..2 Leaves glabrous or glabrescent; angle between fruiting pedicels and rachis ca. 45 degrees; pedicels glabrous, 6-16 mm long; plants 3-7 dm tall; [primarily of the Mountains and Piedmont, rarely weedy in the Coastal Plain].
....3 Stems moderately to densely glandular and pubescent (but not canescent); siliques 5-10 (-12) mm long; pedicels 8-16 mm long
....3 Stems sparsely pubescent to glabrous; siliques 8-12 mm long; pedicels 6-12 mm long