Baptisia alba var macrophylla (Larisey) Isely
White Wild Indigo
Family - Fabaceae
Stems - To 1.5m tall, branching, glabrous, glaucous, herbaceous.
Leaves - Alternate, trifoliolate, at least some with petiole .2-1.5cm long. Leaflets oblong, oblanceolate, or narrowly obovate, +/-6cm long, 2cm broad, glabrous, glaucous below, entire, minutely mucronate(-1mm long). Center leaflet sessile or on stalk shorter than lateral leaflets. Stipules to +1cm long, glabrous, erect, +2mm wide.
Inflorescence - An axillary raceme to +30(50)cm long (high).
Portion of inflorescence.
Flowers - White, pedicillate, 2-3cm long, papilionaceous. Calyx tube not more than 1/2 the length of the corolla, cylindrical, typically -1cm long. Stamens 10. Fruits inflated, cylindrical, 2.5-4cm long, 1-1.5cm wide, many seeded, with beak at apex +/-5mm long.
Flowering - May - July.
Habitat - Roadsides, railroads, wet low ground, prairies, pastures.
Origin - Native to U.S.
Other info. - This plant
is typically taller than other species of Baptisia
in Missouri. It is an attractive plant when flowering and is sometimes
Photographs taken at Bethel Prairie, Barton County, MO., 7-4-03, and off Hwy 19, Shannon County, MO., 6-12-05.