Cantharellus cinnabarinus is a distinctive edible fungus in the family Cantharellaceae, commonly known as the cinnabar red chanterelle. It is native to eastern North America, typically found in deciduous or mixed forests where it forms mycorrhizal associations with hardwood trees, particularly oaks and beeches. The genus name Cantharellus is derived from the Greek kantharos, meaning “cup,” while the species epithet cinnabarinus is derived from the Greek kinnabari, referring to cinnabar (mercuric sulfide), in reference to the mushroom's brilliant, flame-red to deep pink coloration. Historically, it has been a favored foraged species among Indigenous peoples and Appalachian settlers, valued for its high visibility on the forest floor and its choice edible status.

The fungus is relatively small compared to its golden relatives, characterized by a cap that is initially convex and later becomes funnel-shaped with age. It possesses the characteristic decurrent, vein-like ridges rather than true gills, which descend the stem and share the same vivid cinnabar hue as the cap. As a mycorrhizal inhabitant, it is an essential component of forest health, exchanging soil nutrients for carbohydrates from its host trees. Because it cannot be easily cultivated, it remains a seasonal delicacy harvested from the wild during the humid summer months following heavy rainfall.

As a food source, Cantharellus cinnabarinus is prized for its delicate, peppery flavor and its firm, meaty texture. While it lacks the strong apricot-like aroma of Cantharellus cibarius, its striking color makes it a visually stunning addition to culinary dishes. In modern gastronomy, it is typically sautéed in butter or used in cream-based sauces, risottos, and omelets. Its small size often leads to it being cooked whole to preserve its aesthetic appeal. Beyond its culinary value, it serves as an important ecological indicator of old-growth and maturing forest health in its native range.

Nutritionally, Cantharellus cinnabarinus is low in calories but rich in dietary fiber, potassium, and essential vitamins such as Vitamin D and various B-complex vitamins. The most significant bioactive compounds responsible for its intense coloration are carotenoids, specifically canthaxanthin and other related pigments, which possess strong antioxidant properties. These compounds help neutralize free radicals in the human body. Additionally, like other chanterelles, it contains various polysaccharides that have been investigated for their potential to support the immune system and provide anti-inflammatory benefits.