Wild indigo
General poisoning notes:
Wild indigo (Baptisia
tinctoria) is a native perennial herb found in southern Ontario. Cheeke and
Schull (1985) call the plant toxic but no cases of human poisoning have been
reported.
Description:
The multiple bushy
stems of Baptisia tinctoria reach 2 to 3 feet tall. The leaves are
silver-green; each is divided into three leaflets about ½ inch long. The
flowers are yellow and grow in spikes 1½ to 3 inches long.
Nomenclature:
Scientific Name: Baptisia tinctoria (L.) Br.
Vernacular
name(s): wild indigo
Scientific family
name: Leguminosae
Vernacular family
name: pea
Distribution:
Baptisia
tinctoria is found throughout the eastern United States, west to Minnesota,
and south to Florida. As it is rare in some parts of its range, it is protected
by some state authorities: in Kentucky it is threatened; in Maine it is
considered endangered. It prefers dry meadow and open woodland environments.
Toxic parts:
All parts, leaves.
Toxic plant chemicals:
Cytisine, baptisin.
Animals/Human Poisoning:
Note: When an
animal is listed without additional information, the literature (as of 1993)
contained no detailed explanation.
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