Drosera longifolia

Drosera longifolia [Image]. [2014]. Retrieved from: http://en.wikipedia.org/wiki/Drosera_anglica 

Common name: 
Sundew 
(Hoffman, 1983, p. 229)

Latin binomial:
Drosera longifolia
(Hoffman, 1983, p. 229)

Family: 
Droseraceae 
(Hoffman, 1983, p. 229)

Parts used:
Entire plant 
(Hoffman, 1983, p. 229)

Active contituents:

• Tannins
• Naphthaquinones (including plumbagin)
• Flavonoids
• Citric and malic acid

(Hoffman, 1983, p. 229)

 

Actions:

• Respiratory Spasmolytic / Relaxant to bronchial musculature 
• Demulcent
• Expectorant (relaxing)

(Hoffman, 1983, p.299)

Indications:

• Dry, tickly or nervous cough  (Hoffman, 1983, p. 229)
• Bronchitis and whooping couch (Hoffman, 1983, p. 229)
• Asthma (relaxing) (Hoffman, 1983, p. 229)
• Pertussis
• Gastric ulceration (Hoffman, 1983, p. 229)
• Specific for Chronic bronchitis with peptic ulceration or gastritis (Hoffman, 1983, p. 229)

Contraindications: 

• Avoid with known allergy/hypersensitivity to Drosera, its constituents, or members of the Droseraceae family.
• Insufficient available evidence to recommend. Data on the effects of Drosera on lactation are currently lacking in the National Institute of Health's Lactation and Toxicology Database (LACT-MED).

(Barker, Costa, Rychlik, Ulbricht, Weissner, Woods, 2013) 

Cautions:

• Use cautiously in patients; safety studies and studies longer than six months are currently not available.
• Avoid in patients who are allergic or hypersensitive to Drosera, its constituents, or members of the Droseraceae family.
• Avoid in children or in pregnant or breastfeeding women due to a lack of safety evidence.

(Barker, Costa, Rychlik, Ulbricht, Weissner, Woods, 2013) 

Dosage:
3-6ml 1:2 LE / day 
20-40ml 1:2 LE / week 
(Hoffman, 1983, p. 229)

Combinations: 
Euphorbia, grindelia in the treatment of asthma (Hoffman, 1983, p. 229)


References:

Barker, Costa, Rychlik, Ulbricht, Weissner, Woods. (2013) Natural standard professional monograph.

Hoffman, D. (1983) The holistic herbal. Element books: Dorset.