Epilobium parviflorum


Hectenichus. (2008). Onagraceae – Epilobium parvifloru. Retrieved from: http://creativecommons.org/licenses/by-sa/3.0

Botanical Name: Epilobium parviflorum
Common name: Willow herb (Bone, 2003, p. 468)
Family: Onagraceae (Hevesi, Houghton, Habtemariam & Kery, 2009, Abstract)
Parts used: Aerial parts (Bone, 2003, p. 468)

History/Folklore: Used in the mid-twentieth centenary European herbal medicine for disorders of the prostate (Bone, 2003, p. 468).



  • Antiprostatic (Bone, 2003, p. 468)
  • Antioxidant (Hevesi et al., 2009, Abstract)
  • Anti-inflammatory (Hevesi et al., 2009, Abstract)


Epilobium parviflorum extract has shown to inhibit the ezyme 5α-reductase, responsible for biosynthesis of DHT from testosterone in vitro, potentially the mechanism of the herb’s antiprostatic effects (Bone, 2003, p. 268)



  • Benign Prostatic Hyperplasia (BPH) (Hevesi et al., 2009, Abstract)


Preparation & Dosage:

  • 3-6mL liquid extract (1:2)/day
  • 20-40mL liquid extract (1:2)/week

(Bone, 2003, p. 468)


Cautions & Contraindications: None known (Bone, 2003, p. 468)

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