Herb Library

Herb Library

Explore 5,320+ detailed herb profiles with safety data, evidence grades, and traditional uses.

Evidence:All A B C T

Showing 2,038 of 5,320 herbs

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Wyeth Biscuitroot

Lomatium ambiguum

T — Traditional UseApiaceae

Native American medicinal plant used as cold remedy, throat aid. Documented among Okanagan-Colville.

Wyeth's Lupine

Lupinus wyethii

T — Traditional UseFabaceae

Native American medicinal plant used as eye medicine. Documented among Okanagan-Colville.

Wyoming Indian Paintbrush

Castilleja linariifolia

T — Traditional UseOrobanchaceae

Native American medicinal plant used as contraceptive, gynecological aid, analgesic, gastrointestinal aid, blood medicine, cathartic. Documented among Hopi, Navajo, Ramah, Shoshoni.

Xanthosoma Sagittifolium

Xanthosoma sagittifolium

T — Traditional UseAraceae

Caribbean and West African food plant with medicinal leaf preparations. Heated leaf applied as poultice for boils and abscesses in Caribbean folk medicine. Rhizome (corm) eaten as staple food after cooking. Contains calcium oxalate — must be cooked.

Yashtimadhu

Glycyrrhiza glabra

B — Good EvidenceFabaceae

The Ayurvedic preparation of licorice root, used for voice quality, respiratory support, digestive ulcers, and as a harmonizer in formulas.

Yaupon

Ilex vomitoria

T — Traditional UseAquifoliaceae

Native American medicinal plant used as ceremonial medicine, emetic, hallucinogen, cathartic, psychological aid. Documented among Alabama, Cherokee, Creek.

Yellow Bluebeadlily

Clintonia borealis

T — Traditional UseNartheciaceae

Native American medicinal plant used as dermatological aid, disinfectant, burn dressing, heart medicine, misc. disease remedy, antidote. Documented among Algonquin, Quebec, Algonquin, Tete-de-Boule, Chippewa.

Yellow Butterwort

Pinguicula lutea

T — Traditional UseLentibulariaceae

Native American medicinal plant used as analgesic, gastrointestinal aid. Documented among Seminole.

Yellow Water Buttercup

Ranunculus flabellaris

T — Traditional UseRanunculaceae

Native American medicinal plant used as cold remedy, respiratory aid. Documented among Meskwaki.

Yerba Buena

Clinopodium douglasii

T — Traditional UseLamiaceae

Native American medicinal plant used as cold remedy, febrifuge, anthelmintic, toothache remedy, kidney aid, love medicine. Documented among Cahuilla, Costanoan, Karok.

Yogurt (Probiotic)

Lactobacillus bulgaricus + Streptococcus thermophilus

A — Strong EvidenceN/A (fermented)

Traditional fermented milk — the original probiotic food. Contains L. bulgaricus and S. thermophilus. Some brands add additional strains. Look for "live active cultures."

Youth On Age

Tolmiea menziesii

T — Traditional UseSaxifragaceae

Native American medicinal plant used as dermatological aid. Documented among Cowlitz.

Yuan Hua

Daphne genkwa

T — Traditional UseThymelaeaceae

Traditional medicinal plant used for anthelminthic, antidote(mushroom), antiphlogistic, antitussive, ascites, bruise, bubo, cancer, and other conditions. Known from ethnobotanical records across multiple cultures.

Yucca

Yucca schidigera

C — Limited EvidenceAsparagaceae

Desert anti-inflammatory — Native American remedy for arthritis and joint pain. Contains steroidal saponins (anti-inflammatory). Also used as natural foaming agent in beverages and pet food (reduces fecal odor). Root bark makes natural soap.

Yugoslav Savory

Satureja subspicata subsp. liburnica

T — Traditional UseLamiaceae

A medicinal plant (Satureja subspicata) from the Lamiaceae family used in traditional medicine.

Yunnan Yew

Taxus yunnanensis

T — Traditional UseTaxaceae

A medicinal plant (Taxus yunnanensis) from the Taxaceae family used in traditional medicine.

Zanthoxylum Chalybeum

Zanthoxylum chalybeum

T — Traditional UseRutaceae

East African tree used by Maasai and other pastoralist communities for malaria, cough, and toothache. Bark chewed for dental pain (numbing effect from alkylamides). Contains pellitorine and chelerythrine. Important Maasai traditional medicine.

Zarzabacoa Comun

Desmodium incanum

T — Traditional UseFabaceae

Native American medicinal plant used as analgesic, febrifuge, gastrointestinal aid. Documented among Seminole.

Zhi Mu

Anemarrhena asphodeloides

C — Limited EvidenceAsparagaceae

TCM heat-clearing and yin-nourishing herb — for high fever, night sweats, diabetes, and dry cough. Contains mangiferin (anti-diabetic) and timosaponins (anti-inflammatory). Often paired with Huang Bai (Phellodendron) in Zhi Bai Di Huang Wan.

Zhu Ling

Polyporus umbellatus

B — Good EvidencePolyporaceae

TCM diuretic mushroom — promotes urination without depleting potassium. For edema, UTIs, and as cancer adjuvant (clinical use in China). Part of Zhu Ling Tang (Polyporus Decoction) for UTI with blood in urine. Immune-modulating polysaccharides.

Ziziphus

Ziziphus jujuba var. spinosa

C — Limited EvidenceRhamnaceae

The seed of the sour jujube, one of TCM's most important herbs for insomnia, anxiety, and heart-blood deficiency. Calms the spirit.

Ziziphus Mauritiana

Ziziphus mauritiana

T — Traditional UseRhamnaceae

Pan-tropical jujube relative used in Ayurveda, Unani, and African medicine. Bark decoction for diarrhea and wounds. Leaf paste for boils and abscesses. Root for fever. Different species from Chinese jujube (Z. jujuba). Fruit is popular snack across tropics.