Grindelia robusta/Grindelia camporum


Botanical Name: Grindelia robusta / Grindelia camporum
Common name: Gumweed (Hoffmann, 2003, p. 555)
Family: Asteraceae (Hoffmann, 2003, p. 555)
Parts used: Dried Arial Parts (Hoffmann, 2003, p. 555)


  • Diterpenoids
  • Flavonoids
  • Sterols
  • Sapogenins

(Adams, Bryan, Giese & Weissner, 2013)



  • Antispasmodic
  • Expectorant
  • Diuretic
  • Hypotensive

(Hoffmann, 2003, p. 555)



Gumweed is a traditional medicine of Califonian Native Americas the Chumash people and was traditionally used to treat asthma, bronchitis and coughs.


The herb was used clinically up until 1960 when a law passed in the U.S which required all medicine to have proven efficiency in clinical trials. No clinical trials were recorded on Grindelia robusta.


Prior to 1960, Gumweed and Yerba santa were used as primary ingredients in tuberculosis treatment.

(Adams et al., 2013)



  • Poison ivy rash (topical) (Adams et al, 2013; Hoffmann, 2003, p. 555)
  • Poison oak rash (topical) (Adams et al, 2013)
  • Sore throat (Adams et al, 2013)
  • Asthma (Adams et al, 2013; Hoffmann, 2003, p. 555)
  • Bronchitis (Hoffmann, 2003, p. 555)
  • Whooping cough (Hoffmann, 2003, p. 555)
  • Upper respiratory catarrh (Hoffmann, 2003, p. 555)
  • Conditions associated with rapid heartbeat and nervous response (Hoffmann, 2003, p. 555)


Grindelia robusta has been found to be notably efficient in treating asthma, providing prompt relief (Hoffmann, 2003, p. 555)


Preparation & Dosage

There is standardisation on the herb (Adams et al., 2013)

Commission E recommends 4.5g of the herb or equivalent per day (Hoffmann, 2003, p. 555)



  • May reduce blood pressure (Hoffmann, 2003, p. 555)
  • The plant may contain bacteria that should not be introduced to open wounds (Adams et al., 2013).


Adams, J., Bryan, J. K., Giese, N., & Weissner, W. (2013). Gumweed (Grindelia camporum). Natural Standard Professional Monograph. Retrieved from:

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

Image: Zell, H. (2009). File:Grindelia camporum 003.JPG. Retrieved from:

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