compound, dissected, pinnate
April - October
Neptunia can be distinguished from other similar bipinnately compound legumes by the presence of a stipe on the legume. N. lutea can be distinguished by having 8-18 pairs of leaflets and 30-60 flowers per head, a 4-15 mm long stipe and 1-2 mm long calyx (including lobes).
Seeds average approximately 37,000/lb.
Desirable to cattle as forage.
Normally grows in dry sandy areas. Found scattered or locally frequent over the eastern half of Texas south to Aransas and the western half of Louisiana. It is reported from Alabama, Mississippi, Arkansas, Oklahoma, Texas, and Louisiana (USDA 1998).
Dry sandy areas, prairies, woodlands and creek valleys.