Rhodiola rosea (Roseroot)

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Rhodiola rosea L.

Roseroot, golden root, Aaron’s rod, Arctic root

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Rosidae	Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
Order	Rosales	Rose family and eight others
Family	Crassulaceae	Succulents that store water in leaves
Genus	Rhodiola	From the Greek rhodon, “rose,” referring to the rose-scented roots of some members of this species
Species	rosea	Rosy-colored

About plant names...

Golden root is native to wild Arctic regions of Europe, Asia, and North America. It prefers dry, sandy ground and ocean coastlines.

Plants: 4-28″ (10-70 cm) tall, with several stems and a short scaly root. The root has a roselike fragrance when cut.

Leaves: The leaves of this species are succulent: somewhat thick and waxy, to reduce evaporation. They are bluish in color, alternate and sessile, with blunt teeth and sharp tips.

Flowers: Yellow or greenish yellow, sometimes tipped with red. Plants are typically dioecious (that is, separate male and female plants); both have four petals and four sepals. Petals are about ⅛″ (3.5 mm) long on staminate (male) plants and 1/16″ (2.5 mm) long on pistillate (female) plants. The small flowers are clustered into dense hemispherical cymes. They appear from July to August.

Edibility: Leaves and shoots are edible raw, though bitter. Cooked like spinach, the bitterness is reduced.

Medical: Golden root is heavily promoted as a folk remedy for reducing fatigue and increasing cognitive performance. The PDR for Herbal Medicines lists several small scale studies that support this idea. But the tsunami of marketing hype makes the facts difficult to uncover. As Wikipedia summarizes:

Through 2019, human studies evaluating R. rosea did not have sufficient quality to determine whether it has properties affecting fatigue or any other condition. The U.S. Food and Drug Administration (FDA) has issued warning letters to manufacturers of R. rosea dietary supplement products unapproved as new drugs, adulterated, misbranded and in federal violation for not having proof of safety or efficacy for the advertised conditions of alleviating Raynaud syndrome, altitude sickness, depression or cancer.

A 2012 study, Rhodiola rosea for physical and mental fatigue: a systematic review found that only 11 of 206 studies of this species’ purported health benefits met the inclusion criteria for review. The analysis of those studies concludes:

The current evidence for efficacy of R. rosea is contradictory and inconclusive. Methodologically rigorous RCTs [randomized controlled trials] must be designed to overcome these serious threats to internal validity. Such studies will help inform policy-makers, health care providers, and the public about the efficacy R. rosea supplementation for physical and mental performance.

Online References:

Www.ediblewildfood.com

Wikimedia Commons Photos

Wikipedia

The USDA Plants Database

Www.ncbi.nlm.nih.gov A detailed assessment of research

Www.researchgate.net

References:

Multiple Authors, PDR for Herbal Medicines, Thomson Healthcare Inc., 2007, p. 703

Rhodiola roanensis Britton

Sedum roseum (L.) Scop.， orth. var.

Sedum rosea (L.) Scop.