What's the difference between bloodroot and redroot?

Bloodroot

Definition:

(n.) A plant (Sanguinaria Canadensis), with a red root and red sap, and bearing a pretty, white flower in early spring; -- called also puccoon, redroot, bloodwort, tetterwort, turmeric, and Indian paint. It has acrid emetic properties, and the rootstock is used as a stimulant expectorant. See Sanguinaria.

Example Sentences:

(1) Maybe Prince should visit Bloodroot , one of the first feminist restaurants to open in the US, which has been thriving for 33 years.
(2) I looked up the definition for redskin and although most online dictionaries agree that the term is offensive, most will give the definition as: "The original name was a European one used to describe Algonquins who painted their face with bright red ocher and bloodroot, thereby making their face red with war paint."
(3) Sanguinaria extract is a mixture of benzophenanthridine alkaloids derived from Sanguinaria canadensis L. (bloodroot).
(4) Sanguinarine is a benzophenanthridine alkaloid derived from rhizomes of Sanguinaria canadensis L. (bloodroot).

Definition:

(n.) A name of several plants having red roots, as the New Jersey tea (see under Tea), the gromwell, the bloodroot, and the Lachnanthes tinctoria, an endogenous plant found in sandy swamps from Rhode Island to Florida.

Example Sentences:

(1) Twenty-two young cows died or were euthanatized after intoxication associated with ingestion of redroot pigweed (Amaranthus retroflexus) growing in marginal grass pasture.
(2) Rabbits fed Amaranthus retroflexus (redroot pigweed) did not develop lesions of renal toxicosis reported in other species fed this plant.