The Eden Institute Biblical Herbalism Education

Eden Apothecary · Herb Profile

Siler

Saposhnikovia divaricata

Also known as Saposhnikovia, Fang Feng

Pronounced Fang Feng: fahng fung; Siler: SY-ler; Saposhnikovia divaricata: sap-osh-nih-KOH-vee-uh dih-var-ih-KAH-tuh.

Warm, dispersing and notably non-drying: the gentle 'guard against wind' that opens the surface, drives out wind-cold and wind-damp, calms spasm and tremor, and quiets wind-borne itch without parching the fluids.

At a glance

Botanical name
Saposhnikovia divaricata
Family
Apiaceae (Umbelliferae)
Part used
Root (dried; Radix Saposhnikoviae)
Taste
Pungent, Sweet
Temperature
Warm
Moisture
Neutral

Safety at a glance

In pregnancy

No modern human safety studies establish a clear verdict, and published sources disagree (some contraindicate in pregnancy, others consider standard doses acceptable). Classical Chinese texts caution against Fang Feng in blood-deficiency and postpartum wind rather than in ordinary pregnancy, and animal toxicology of the water extract shows very low toxicity with no clear reproductive signal (rat NOAEL 5,000 mg/kg/day). Prudent guidance: avoid unsupervised use; take only within a practitioner-formulated prescription and avoid high or prolonged dosing. (Bensky et al. 2004; Saposhnikoviae Radix toxicology, PMC6791657, 2019.)

While breastfeeding

Modern lactation safety data are lacking. The water extract is of very low toxicity in animal studies, and the herb is not a documented galactagogue or lactifuge. Insufficient evidence for routine use; if used, keep to short, practitioner-guided courses. (Saposhnikoviae Radix toxicology, PMC6791657, 2019.)

For children

Traditionally included in age-reduced doses within professionally formulated decoctions; the water extract shows very low toxicity in animal studies (rat NOAEL 5,000 mg/kg/day). Not for unsupervised pediatric self-care; use only under a qualified practitioner. (Bensky et al. 2004; Saposhnikoviae Radix toxicology, PMC6791657.)

Cautions

A practitioner-directed herb, not a self-care staple. Its warm, acrid, dispersing nature can deplete fluids: use with care in dryness, heat, and yin or blood deficiency. Contains photosensitising furanocoumarins (psoralen, bergapten); theoretical caution with strong sun/UV exposure or phototherapy at high or prolonged doses. Distinguish exterior and wind-damp patterns (where it helps) from deficiency wind (where it is contraindicated).

General contraindications

Blood-deficiency spasm or convulsion and yin-deficiency heat; interior wind (wind-stroke, seizures) not from an external pathogen; headache or diarrhea unrelated to wind, cold or damp. Known allergy to the carrot/celery family (Apiaceae).

Stewardship

Wild Saposhnikovia divaricata has been heavily wild-harvested across its native northern-Asian range, and demand has thinned wild stands in parts of China and Mongolia; roots are now widely cultivated (dug at 3-4 years). Not a North American United Plant Savers listing, but prefer cultivated or verified-sustainable root over wild-dug material to relieve pressure on wild populations.

In the traditional record

Not named in the canonical biblical texts and not a Mediterranean plant. Native to northern China, Mongolia, Korea and eastern Siberia; a foundational herb of classical Chinese medicine, first recorded in the Shennong Ben Cao Jing (c. 200 CE) as Fang Feng, 'guard against wind.' Formerly classified in the genus Ledebouriella.

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