Medicinal plant with main hepatoprotective effect (protects the liver), in addition to being used in cases of gastric ulcers and diabetes .

Picão (Biendes pilosa) is one of the medicinal plants whose effect is recognized by ANVISA (National Health Surveillance Agency).


Name in Portuguese: Picão, picão-preto, carrapicho, carrapicho-needle, carrapicho-picão, herb-picão, gariofilata, guambu, macela-do-campo, black picão and priest’s lice.
Binomial name: Bidens pilosa
French name: sornet, herbe à aiguilles
English name: Spanish needle, black Jack, broomstick, broom stuff, cobbler’s pegs
German name: Behaarter Zweizahn
Spanish name: acetyllo, dry love, arponcito, goat’s wing, pilous bidente , bunch of goat, cadillo, hierba amarilla, magpie.




Flavonoids, polyacetylenes.

parts used

leaves and roots


Antioxidant,  hepatoprotective (protects liver function, decreases the rate of necrosis and fibrosis) and  stimulates insulin production.


Internal use (tea)
– Liver disorders (eg clolestasis)

– Gastritis and stomach ulcers

– Diabetes

External use (bathing)
– Jaundice

– Wounds , allergies

– Hemorrhoids

Secundary effects

No side effects have been documented in the literature to date.


It should not be used by pregnant women.


No interactions were documented.


No reports of toxicity have been documented in the literature to date.


Internal or external infusion: 2 grams of the fresh leaf in 150 mL of water.

Internal use (tea)
Take 35 mL to 75 mL of the infusion, right after preparation (3 to 4 times a day).

External use (bath)
Bathe twice a day, right after preparation.

Where does it grow?

tropical america.

When to harvest the picão?

During the year. Picão is considered, in some places, a pest.


Another plant very similar to the beggartick is the white beggartick (Galinsoga parviflora) which has similar effects, but in smaller quantities.

Popular medicine and indigenous peoples from various regions (Amazon, Bahamas, Santa Catarina and Cuba) use picão for various therapeutic purposes, such as: anti-inflammatory, antirheumatic, antibiotic and even antitumor.

There are studies that indicate a certain effect against certain types of leukemia, but further studies are still needed to be used for this purpose.

This plant is considered a pest in plantations of soy, corn, cotton, among others.

Jeanne Kenney
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I’m a stylist trainer, a content creator, and an entrepreneur passion. Virgo sign and Pisces ascendant, I move easily between my dreams, the crazy world I want, and my feet on the ground to carry out my projects.

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