The Eden Institute Biblical Herbalism Education

Eden Apothecary · Herb Profile

Colic Root

Aletris farinosa

Also known as True Unicorn

Pronounced Colic Root: KOL-ik root; True Unicorn: troo YOO-nih-korn. Aletris farinosa: uh-LEE-tris (also AL-eh-tris) far-ih-NOH-suh.

Cool, dry, and toning: an acrid-bitter digestive stomachic that rouses a weak, lax, torpid, flatulent digestion, sharpens appetite and assimilation, and lends tone to a relaxed, boggy gut.

At a glance

Botanical name
Aletris farinosa
Family
Nartheciaceae (the bog-asphodel family, order Dioscoreales). The genus was long placed in Liliaceae by King's and the older herbals, and is sometimes listed under Melanthiaceae; modern APG classification settles it in Nartheciaceae.
Part used
Dried rhizome and its fibrous rootlets, collected after flowering. Only the properly dried root is used medicinally: the fresh root is acrid and, in quantity, narcotic, emetic, and cathartic.
Taste
Bitter and acrid (pungent), used as a simple bitter tonic and stomachic. King's American Dispensatory notes the true dried root is acrid to the taste, not markedly bitter, and odorless; the pronounced bitterness long attributed to commercial 'unicorn root' often reflects adulteration with the intensely bitter false unicorn (Chamaelirium luteum), with which Aletris is perennially confused.
Temperature
Cool. A cool, gently stimulant, acrid-bitter digestive tonic that drains and rouses a sluggish, boggy, under-functioning digestion rather than heating it. In the bitter-tonic archetype it leans cooling and draining, sharpening appetite and secretion while settling flatulent, colicky discomfort.
Moisture
Dry. A cool, draining bitter that dries and disperses a waterlogged, boggy, flatulent digestion; it tightens and tones lax tissue rather than lubricating it, and over-long use can leave a thin, dry constitution more depleted.

No pre-1900 source found for this reading.

Safety at a glance

In pregnancy

Avoid. Modern consumer-safety references classify Aletris as possibly unsafe in pregnancy because it may exert estrogen-like activity that could affect the pregnancy, and it carries a traditional uterine-stimulant reputation. Note the historical paradox: some nineteenth-century Eclectics (Ellingwood) gave it as a uterine tonic in threatened miscarriage, but that use rests on uncontrolled case reports and on the frequent confusion with false unicorn (Chamaelirium), and it is not supported by modern safety data. Best avoided throughout pregnancy. (WebMD/RxList Aletris monograph, possibly unsafe in pregnancy; AHPA Botanical Safety Handbook, 2nd ed., Aletris farinosa; estrogenic-activity data reviewed in the Natural Medicines/Drugs.com Aletris monograph.)

While breastfeeding

Avoid. Modern references advise against use while breastfeeding: safety data are insufficient and the herb shows estrogen-like activity that has not been studied in lactation. (WebMD/RxList Aletris monograph, best to avoid if breast-feeding; AHPA Botanical Safety Handbook, 2nd ed.)

For children

Insufficient data; avoid medicinal use in children, and never give the fresh or undried root, which is narcotic, emetic, and cathartic. If a bitter digestive is wanted for a child, gentler, better-studied herbs are preferred. (NCCIH general caution on unstudied botanicals in children; Grieve and Ellingwood on the emetic, cathartic, narcotic action of the fresh root and large doses.)

Cautions

Use only the properly dried root: the fresh root and large doses are narcotic, emetic, and cathartic, causing vertigo, nausea, vomiting, purging, and hypogastric colic (Ellingwood, Grieve), and modern reports note dizziness and confusion. Aletris shows estrogen-like activity, so avoid it in hormone-sensitive conditions (breast, uterine, or ovarian cancer, endometriosis, uterine fibroids). Beware pervasive commercial confusion and adulteration with false unicorn (Chamaelirium luteum, Helonias): King's warns the drug sold as unicorn root is generally Chamaelirium, and much of the female-tonic reputation belongs to that species, so verify botanical identity. The constituents are poorly characterized, so dose conservatively.

General contraindications

Pregnancy (estrogen-like activity, possibly unsafe per modern references; traditional uterine-stimulant reputation). Breastfeeding (insufficient data plus estrogenic activity; avoid). Hormone-sensitive conditions such as breast, uterine, or ovarian cancer, endometriosis, and uterine fibroids (estrogen-like effects). The fresh or undried root and large doses (narcotic, emetic, cathartic). Pre-existing acute gastritis or an inflamed, ulcerated gut (acrid stimulant).

Stewardship

At risk. United Plant Savers lists Aletris farinosa on its At-Risk list (overall at-risk score 46). The chief threats are habitat loss (conversion and fragmentation of grasslands and prairies) and fire suppression, since the plant depends on periodic fire to hold back tree and shrub encroachment; it is state-listed as Endangered in Pennsylvania, Threatened in New York, Special Concern in Rhode Island, and Possibly Extirpated in Maine. Prefer farm-grown or sustainably cultivated root (United Plant Savers notes cultivation is feasible for the average gardener) and avoid wild-harvested material.

In the traditional record

Not named in the canonical biblical texts. Aletris farinosa is a North American native of the eastern United States, used by Native American peoples of the eastern woodlands (the Catawba among them) for colic and stomach complaints, which is the origin of the name colic root, and taken up by the nineteenth-century Eclectic physicians. Its tradition is North American and Eclectic, not Mediterranean or scriptural.

Which herbs suit your body?

The same herb can calm one person and wire another. Our free assessment reads your pattern across temperature, moisture and tone, then matches herbs to it.

Teaching children at home? Eden's Table builds a full herbalism curriculum around plants like this one.