- False Indigo
- Woody, multiple. A shrub to +3m tall. Young branches pubescent.
- Alternate, odd-pinnate. Leaflets typically oblong, entire, mucronate, opposite, pubescent to glabrous above and below.
- Terminal and axillary racemes to +15cm long, +/-1.3cm in diameter. Pedicels to 3mm long.
- Corolla of single petal, deep violet-purple, to 5mm long. Petal falsely tubular and surrounding other floral organs. Stamens 10, monodelphous, slightly exserted. Filaments glabrous, white, 4-5mm long. Anthers orange, .6mm long. Style purplish, pubescent, 5mm long, exserted. Fruits to 7mm long, glabrous or sparsely pubescent. Calyx pubescent, tubular, campanulate, 2.5mm long, 5-lobed. Lobes unequal, shallow. Lowest lobe acute.
- May - June.
- Moist ground, gravel bars. Also cultivated.
- Native to U.S.
- This striking shrub can be found throughout Missouri.
I believe Steyermark lists 5 varieties for this plant mostly based on leaf and stem pubescence. I won't go into those here. There is also a hybrid plant between
. This plant is called
The genus name means "without shape", referring to the single-petaled corolla.
Photographs taken in the Ozark National Scenic Riverways, Shannon County, MO., 5-19-03.