(L.) R. Br.
Wild Blue Indigo, Southern Blue Indigo
- To 1.2m tall, branching, glabrous, glaucous.
- Alternate, trifoliolate, petiolate. Leaflets oblong, obovate, oblanceolate, or elliptic, to 4cm long, glabrous, glaucous. Stipules at base of petioles to 15mm long, acuminate.
- Terminal raceme to +40cm long.
- Papilionaceous, pedicillate. Corolla purple with some white, total length to +3cm. Stamens free.
- Inflated, to 6cm long, 1-2cm in diameter, with small beak.
- April - June.
- Slopes, glades, rocky prairies. Also cultivated.
- Native to U.S.
- The leaves of this and other species of
turn black quickly upon being picked. The seeds inside the inflated fruit rattle nicely if the pod is dry. Many a scout have been spooked into thinking rattlesnakes were close by with this plant.
Photographs taken at the Kansas City Zoo, 5-7-99.