Buckthorn Bark

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Buckthorn Bark

Standardized: frangula
Other: alder buckthorn, buckthorn


Frangula alnus Mill.
Plant Family: Rhamnaceae


Rhamnus frangula


Buckthorn Bark is a deciduous shrub in the family Rhamnaceae that grows up to 20 feet tall. Buckthorn is usually multi-stemmed, but rarely forms a small tree with a trunk diameter of up to 20 cm. The bark is dark blackish-brown, with bright lemon-yellow inner bark exposed if cut, bark turns gray as it ages.

The shoots are dark brown, the winter buds without bud scales, protected only by the densely hairy outer leaves The leaves are ovate, 3–7 (–11) cm long by 2.5–4 (–6) cm wide, slightly downy on the veins, with an entire margin, 6–10 pairs of prominently grooved veins, and an 8–15 mm petiole; they are arranged alternately on the stems.

The flowers are small, 3–5 mm diameter, star-shaped with five greenish-white acute triangular petals, hermaphroditic, and insect pollinated, flowering in May to June in clusters of two to ten in the leaf axils. The fruit is a small black berry 6–10 mm diameter, ripening from green through red in late summer to dark purple or black in early autumn, containing two or three pale brown 5 mm seeds. The seeds are primarily dispersed by fruit-eating birds.

common names & nomenclature 
The genus name Frangula refers to the brittle wood. The common name refers to its often growing together with alders on damp sites.

Also known as:
european buckthorn, arrowwood, black alder tree, persian berries, alder buckthorn, black dogwood, black alder dogwood, european black alder, glossy buckthorn


Properly aged bark. (1 year recommended)


Best taken as a tablet, can be used as a tea but is hard to drink given its bitter taste. May also be prepared as an extract.


Historically, it has also been used as a dye for textiles.


Specific: Do not use this product if you have abdominal pain or diarrhea. Consult a health care provider prior to use if you are pregnant or nursing. Discontinue use in the event of diarrhea or watery stools. Do not exceed recommended dose. Not for long-term use.
General: We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.

For educational purposes only. This information has not been evaluated by the Food and Drug Administration.
This information is not intended to diagnose, treat, cure, or prevent any disease.
Buckthorn Bark

1oz, 4oz, 8oz, 1lb

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