Category Archives: Native fauna and flora

Natural Healing — Cardo Santo

Photo Credit: Erick Noe Tapia Banda

The genus Cirsium, known as cardos, has around 300 species, 75 of which are native to North American and another 35 native to tropical Central and South America.

Cardo santo (Cirsium Mexicanum), holy thistle, should not be confused with cardo bendito (blessed thistle/Centaurea benedicta), which is not native to Mexico, or chicalote (Argemone Mexicana / Mexican Prickle Poppy). Both plants are commonly called cardo santo. 

There is also some issue with spelling. Nicolás Monardes recorded several uses for “carlo santo” in his book Joyfull Newes Out of the Newfound World, which subsequent herbalists have used to refer to this plant. However, in Mexico, the term most commonly employed is the Spanish cardo (not carlo) santo. Traditional remedies recorded in Monardes’ book included chronic stomach distress, bad breath, and flatulence. 

According to The Classic Codex of 1552, the general Nahuatl term for thistles (cardos) was huitz-quilitl, meaning thorny (huitz) edible (quilitl), and they were used in remedies for black blood (bilis), scurf (dandruff), excessive heat (fever), and inflammation.

However, these days, cardo santo (Cirsium Mexicanum / Mexican Thistle) is generally prescribed to treat digestive ailments, toothache, rheumatism, heart pain, and anxiety. Other uses include fever reduction, cancer treatment, and diabetes regulation. The Zapotecs, Mixtecs, and Totonacs include cardo santo in remedies to combat el susto (fear-induced infirmities).

The roots are boiled for a tea to reduce stomach inflammation. An infusion of the flowers is made for diarrhea. Another diarrhea remedy calls for a large pinch of chopped cardo santo roots boiled in a liter of water for 15 minutes. Allow it to cool slightly, strain, and serve. An infusion from the entire plant is made as a laxative. 

For toothache, a small piece of root is boiled. The liquid is then swished through the mouth for a few minutes to alleviate the pain. 

In Michoacán, small root segments and a piece of tejocote (Crataegus mexicana) are brewed for urinary tract infections. An infusion made from the flowers is prescribed for the same ailment in the states of Mexico and Puebla.

An infusion made from the leaves is administered as a diabetes treatment. However, studies have found that there is no scientific support for cardo santo’s use in the treatment of cancer or diabetes. 

Photo credit: Patrick Alexander

Cirsium undulatum (wavyleaf thistle) is another native thistle that is commonly referred to as cardo santo in Mexico. It is used interchangeably with Cirsium Mexicanum in most remedies.

Photo credit: Ricardo Arredondo

Another thistle commonly referred to as cardo santo is Cirsium rhaphilepis

Photo credit: Robb Hannawacker

Cirsium neomexicanum (desert thistle) is also known as cardo santo. The stems and roots are edible when harvested early, before blossoming. Stems over two feet tall are too tough to eat. 

Photo credit: Dick Culbert

Cirsium subcoriaceum, yet another cardo santo, is prescribed for liver, heart, and respiratory ailments. Typically, the remedy calls for five grams of root and flowers boiled to make a strong decoction. One cup is drunk every 6 hours for 15 days, followed by a 15-day abstinence. The treatment is repeated every 15 days until symptoms improve. Studies have shown Cirsium subcoriaceum to be anti-inflammatory and analgesic.

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Interested in natural remedies? Uncover herbal remedies from traditional Mexican sources for healing and wellness in the Exploring Traditional Herbal Remedies in Mexico series.

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Natural Healing — Algodoncillos

Algodoncillos (Asclepias spp.)

There are approximately 200 species of Asclepias worldwide, 75 of which are found in Mexico, and at least 17 of those have reported medicinal uses. The plants in this genus are most often referred to as algodoncillos, talayotes, or venenillos in general, although some varieties are known by other names by local populations. Unfortunately, as is common with plant names in Mexico, many of the names are also used to identify unrelated plants, making positive identification difficult. 

Most Asclepias are toxic, although certain varieties are used medicinally, and others are essential to the lifecycle of the monarch butterfly. A few have edible fruit or leaves.

Inmortal (Asclepias asperula) 

Photo credit: Zion National Park

Asclepias asperula ssp. Asperula is known as antelope horns or spider milkweed in English and algodoncillo and cuerno de antílope in addition to inmortal in Spanish. Bernardino de Sahagún reported that inmortal was used as a laxative by the Aztecs. An Aztec Herbal: The Classic Codex of 1552 included it in a chest congestion remedy as well. 

As a tonic, laxative, or expectorant, a teaspoon of powdered root is added to a glass of water first thing in the morning. The root powder is also used in a tincture to bring on menstruation. A stronger dose is employed to strengthen labor pains and quicken delivery. Additionally, the ground root is soaked in water and rubbed on the laboring mother’s abdomen. As an aid to expel the placenta, a tea is made from inmortal ground root and epazote leaves (Dysphania ambrosioides).

Asclepias asperula is a favorite of monarch butterfly caterpillars. It contains cardiac glycosides, which are toxic. The butterfly retains this toxicity, making them poisonous to predators. Inmortal is toxic to humans and livestock as well, and extreme care should be exercised when employing this plant for any remedy. 

Asclepias asperula ssp. Capricornu is a second subspecies of Asclepias asperula also known by the name inmortal. The leaves of the capricornu are broader, and the floral crowns are whiter than subspecies asperula. Accepted synonyms for Asclepias asperula ssp. Capricornu include Asclepias asperula var. Decumbens, Asclepias capricornu, Asclepias capricornu ssp. Occidentalis, Asclepias decumbens, Asclepiodora decumbens, and Aceratos asperula. Asclepias asperula ssp. Capricornu is prescribed in some areas as an abortifacient.

Quiebra muelas (Asclepias curassavica)

Photo credit Vinayaraj

Asclepias curassavica has a whole host of names including flor de sangre, burladora, mata ganado, cancerillo or cancerina, cresta de gallo, and quiebra muelas. Indigenous names include pameyat warnal (Tzeltal), xpamal yat (tzotzil), tesuchi-potei (otomí), chac anal or x-anal (Maya), and punchix huítz (Tenek).

Throughout Mexico, the latex sap is most often prescribed for tooth problems, especially as pain relief from cavities or during tooth extraction. In the state of Tabasco, the plant’s seed is placed on the painful tooth. Asclepias curassavica has been shown to be anti-inflammatory and possess an antinociceptive effect.

In other areas, the sap is applied to the skin for various ailments such as acne, gonorrhea, warts, cold sores, and erysipelas (bacterial skin infections). Pus-filled sores are covered in a poultice of crushed leaves. Bacterial skin infections call for 25 to 30 ground leaves made into a paste with a little salt water and applied three or four times daily for two days. Leaves boiled with salt and added to a bath for a pimple treatment. 

In the state of Puebla, an acne decoction employed as a wash is made with quieba muelas, flor tocada (Lobelia laxiflora), and gobernadora (Lantana camara). Also, in Puebla, snake bites, scorpion stings, and embedded thorns are treated with a quiebra muelas plant decoction. A wound wash is made by boiling the branches and leaves from quiebra muelas, epazote (Dysphania ambrosioides), escoba amargosa (Parthenium hysterophorus), and salt. 

The flowers are made into a tincture for headaches and rheumatism relief. Pain in the spleen is treated with half a glass of water and four drops of latex drunk several times a day. A root decoction is prescribed for painful urination. 

Quiebra muelas is used as an anti-parastic compouns and purgative. It’s recommended for bilis (rage). It’s considered a “hot” plant.

Asclepias curassavica demonstrates antioxidant, antitumor, cytotoxic, and pro-apoptotic activity, making it useful in cancer treatments. 

As a respiratory aid for congestion from colds and flu, the latex is liberally applied to a cotton cloth, allowed to dry, and then sniffed, which causes sneezing, in effect clearing out the nasal passages temporarily. One study has suggested quiebra muelas is effective in treating COVID-19 as it increases respiratory capacity and reduces symptoms.

Hierba del chicle (Asclepias notha)

Photo credit: Pedro Tenorio Lezama

Asclepias notha and Asclepias lanuginosa are considered botanical synonyms. Other names for the hierba de chicle include hierba de leche, ita kutu, and chicle guizh guts in Zapotec. The sap is used to made chicle (chewing gum) by the Chocho, a Mixtec group in Oaxaca.

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Interested in natural remedies? Uncover herbal remedies from traditional Mexican sources for healing and wellness in the Exploring Traditional Herbal Remedies in Mexico series.

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Natural Healing — Zarzaparrilla

Photo credit: makamuki0

Color me surprised when I discovered the Maya her Koh-key (also spelled koke’) was good old fashioned sarsaparilla and a Mexican native plant to boot. Zarzaparrilla is the Spanish term for the Nahuatl herb, Mecapàtli, heralded by Nicolás Monardes in his book Joyfull Newes Out of the Newfound World (1574) in two entire chapters. He recorded information about a tonic from zarzaparrilla root drunk three times daily for two weeks to sweat out illness. Unsurprisingly, both the “sweat it out” cure and zarzaparrilla root juice is found in traditional Mexican remedies today.

Other names include kgentsililh in Totonac, t’ocnal ts’aah in Huastec, bejuco de canasta (also Philodendron longirrhizum), olcacatzin, zarza parra, cabrestillo, alambrillo, diente de perro, uarhocutaracu sapichu in Purepecha, and cocolmeca, although this term is more often employed to refer to Dioscorea mexicana.

Although there may be as many as 350 worldwide species of this plant, the word zarzaparrilla generally indicates one of five varieties of Smilax used medicinally in Mexico; Smilax spinosa, Smilax domingensis, Smilax ornata, Smilax aristolochiifolia, Smilax moranensis. The rhizome from these plants is used interchangeably in remedies for stomach problems, menstrual disorders, adult-onset diabetes, syphilis, rheumatism, blood disorders, skin inflammations, and diarrhea. 

During childbirth, a decoction made with three fingers of zarzaparilla root and nine thorns from the plant, epazote, sweetened with melipona honey is given to the laboring mother. Although I haven’t seen any studies suggesting zarzaparilla causes uterine contractions, it does have analgesic properties.  

As a blood fortifying tonic, an infusion is made with 80 grams of the zarzaparrilla rhizome for each half liter of water. The root should be soaked for at least 12 hours and then boiled in the same water. Drink three cups daily. Smilax aristolochiaefolia has been shown to aid in the formation of blood cellular components in cases of aplastic anemia, while other varieties of Smilax have demonstrated high anti-hemolytic activity, supporting the traditional use as a blood-fortifier.

For rheumatism, two spoonfuls of chopped zarzaparrilla root (Smilax ornata) and three spoonfuls of chopped cola de caballo (Equisetum hyemale) are boiled in one liter of water for ten minutes. The infusion is covered. Strain and drink every two hours. Studies have shown that Smilax ornata contains significant analgesic and anti-inflammatory properties.

Smilax spinosa is an effective treatment for male impotency because of the estrogenic properties it contains. An infusion for male impotency is made from 1 tablespoon of ground zarzaparrilla root in one liter of boiling water. Allow it to cool, strain, and drink three times a day about 30 minutes before meals. 

For menopausal symptoms, try traditional cerveza de raíz (root beer). Add 7 grams of zarzaparrilla root (Smilax ornata), 1 finger-sized piece of jengibre (Zingiber officinale) cut into pieces but not peeled, 1 vainilla (vanilla planifolia) beanpod (already opened) or two teaspoons of vanilla extract, and two star anise (Illicium verum) pods to four liters of water and bring it to a boil. Turn down the heat and add seven cups of honey. Stir until it dissolves. Strain and allow it to cool. To serve, add two or three tablespoons to a glass of mineral water. Stir and enjoy.

Smilax domingensis is an estrogen agonists, found to be useful in osteoporosis and breast cancer prevention. Smilax spinosa root demonstrates anti-neoplastic effects against breast cancer cells.

Smilax ornata is used to treat ringworm infections in some areas of Guatemala and Mexico. Studies have shown that it has fungicidal and fungistatic activities supporting this traditional use. Smilax ornata root also exhibits antifungal activity and has been shown to be useful in the treatment of yeast infections. 

One syphilis treatment calls for zarzaparrilla root (Smilax aristolochiifolia /Smilax morenensis) and the bark of guayacán de América (Guaiacum sanctum). The two are boiled for two minutes and steeped for 10 minutes before straining. It should be drunk in small doses throughout the day. Smilax spinosa has antioxidative, antibacterial, antiprotozoal, and anti-microbial activities. 

As syphilis is a bacterial infection, zarzaparilla’s antibacterial and anti-inflammatory properties are beneficial in treating this and other genital infections. 

A daily tonic infusion for adult-onset diabetes is made with 1 liter of water and 2 grams of zarzaparrilla root boiled for 15 minutes. Strain and drink hot or cold. Smilax moranensis is a α-glucosidase inhibitor, Smilax aristolochiifolia has a proven hypoglycemic effect, and Smilax moranensis inhibits hepatic glucose production, supporting the traditional use for the treatment of diabetes type-2.  

Smilax aristolochiifolia root has been shown to counteract some symptoms of metabolic syndrome, a cluster of conditions that increase the risk of heart disease, stroke, and diabetes, including high blood pressure, high blood sugar, excess body fat around the waist and abnormal cholesterol levels. Studies have shown that the Smilax species are excellent sources of anti-tumor compounds as well. 

El popo is a traditional celebratory beverage that contains zarzaparilla stems found in Veracruz and Oaxaca. It also has pulverized cacao (Theobroma cacao), piloncillo (coned brown sugar), canela (Cinnamomum zeylanicum), anís (Pimpinella anisum), and whole rice. 

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Interested in natural remedies? Uncover herbal remedies from traditional Mexican sources for healing and wellness in the Exploring Traditional Herbal Remedies in Mexico series.

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