Galinsoga parviflora

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Botanical Name : Galinsoga parviflora
Family: Asteraceae
Genus: Galinsoga
Species: G. parviflora
Kingdom: Plantae
Order: Asterales
Synonyms:
Galinsoga parviflora Cavanilles var. semicalva Gray
Galinsoga aristulata Bicknell

Common Name : Guasca (Colombia), Mielcilla (Costa Rica), Galinsoga (NZ), Gallant soldier (USA),  Tridax parviflora

English: chick weed, ciliate galinsoga, galinsoga, gallant soldier, potato weed, quick weed, small-flower galinsoga, yellow weed

Japanese: hakidamegiku

Spanish: chuminca, guasco, mielcilla, pacuyuyo, rosilla chica

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Habitat :Native range:  Southwestern US south to South American, now a cosmopolitan weed. The plants grow best in moist conditions and can become very numerous under irrigation or in year-round rainfall in the tropics.

Description:
Galinsoga parviflora is a  slender annual herbs 2-7 dm tall, sparsely pubescent with appressed or sometimes spreading hairs.  Leaves ovate or narrowly ovate, 2-5 cm long, 1-3 cm wide, margins serrulate or entire.  Heads 3-4 mm high, peduncles appressed pubescent or glandular villous; involucral bracts 2-3 mm long; ray florets  5 per head, rays white, rarely pink, 3-toothed, 1-2 mm long; pappus of ray florets absent or very reduced, that of disk florets consisting of blunt-tipped, fimbriate scales.  Achenes sparsely appressed pubescent or glabrous”

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Propagation: Galinsoga parviflora is a  prolific seeder, often producing several thousand per plant, it can complete a life cycle (germination to shedding of seeds) in as little as 50 days.  Viable seeds may be produced when the plant is only a few cm high.  These seeds may germinate readily after falling to the ground; however, germination may be retarded if the seed coat remains intact.  Light, as well as alternating temperatures, may favor germination.  Temperatures of 10° to 35° C appear to be suitable for germination

Medicinal Uses:
In China it is viewed as medicinal: the whole plant hemostatic and anti-inflammatory, the decoction of the flowers cleansing to liver and eyes.  When rubbed onto the body, the plant is useful in treating nettle stings.

Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.

Resources:
http://www.hear.org/pier/species/galinsoga_parviflora.htm
http://www.wnmu.edu/academic/nspages/gilaflora/galinsoga_parviflora.html
http://en.wikipedia.org/wiki/Galinsoga_parviflora
http://www.herbnet.com/Herb%20Uses_FGH.htm

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