Drosera rotundifolia/D. longifolia


Botanical Name: Drosera rotundifolia/D. longifolia
Common name: Sundew (Hoffmann, 2013, p. 543)
Family: Droseraceae (Hoffmann, 2013, p. 543)
Parts used: Whole plant (Hoffmann, 2013, p. 543)



  • Naphthoquinones: including plumbagin
  • Flavonoids: Kaempferol, myricetin, quercetin and hyperoside
  • Carotenoids
  • Plant acids
  • Resin
  • Tannins
  • Ascorbic acids

(Hoffmann, 2013, p. 543)



  • Antispasmodic
  • Antitussive
  • Expectorant

(Hoffmann, 2013, p. 543)



  • Bronchitis
  • Whooping cough
  • Infections of the respiratory tract
  • Plumbagin has shown to be active against Streptococcus, Staphylococcus and Pneumoncoccus bacteria
  • Athsma: has a relaxing effect over involuntary muscles of respiratory tract.
  • Stomach ulcers

(Hoffmann, 2013, p. 543)


Preparation & Dosage

Tincture: (1:5 in 60%) 1-2mL/tds

Infusion: 1tsp dried her/1 cup water/tds

Commission E recommends 3g herb/day


Cautions & Contradictions

No side effects recorded (Hoffmann, 2013, p. 542)



In the treatment of asthma, Sundew may be combined with Grindelia and Pill-bearing Spurge (Hoffmann, 1990, p. 235).


Hoffmann, D. (2003). Medical Herbalism: The Science and Practice of Herbal Medicine. Rochester Vermont: Healing Arts Press.

Hoffmann, D. (1990). Holistic Herbal. London: Thorsons

Image: DymphiH. (2008). Drosera rotundifolia – Drents-Friese Wold 1. Retrieved from: https://www.flickr.com/photos/88526197@N00/2643297494/

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