Matilija Poppy
Romneya coulteri
| Scientific Name | Romneya coulteri |
| Safety Rating | N/A |
| Evidence Level | N/A |
Matilija Poppy (Romneya coulteri) is a perennial flowering plant native to western North America. It has been used traditionally to support respiratory health, soothe sore throats, aid digestion, and relieve coughs. Because its safety profile is not well established, it should be used cautiously, avoided during pregnancy, and a healthcare provider should be consulted before use.
Source: PMC: Terminalia Chebula, WHO Monographs on Selected Medicinal Plants (Vols 1-3), PMC: Horehound
50 products from NIH DSLD database (verified label data)
| Herb | Scientific Name | Why related |
|---|---|---|
 California Poppy |
Eschscholzia californica | shares 133 product(s) |
 Opium Poppy |
Papaver somniferum | shares 133 product(s) |
 California Bay Laurel |
Umbellularia californica | shares 112 product(s) |
 California Sagebrush |
Artemisia californica | shares 112 product(s) |
 Valerian |
Valeriana officinalis | shares 25 product(s) |
 Triodanis Perfoliata |
Triodanis perfoliata | similar summary terms |
 White Pond Lily |
Nymphaea odorata | similar summary terms |
 Borojo |
Alibertia patinoi | similar summary terms |
 Eriodictyon Crassifolium |
Eriodictyon crassifolium | similar summary terms |
 Elm |
Ulmus campestris | similar summary terms |
Ask the RAG about Matilija Poppy — get evidence-based answers from WHO monographs and pharmacognosy textbooks.
Or browse the product search to find more products.