Rudbeckia laciniata, widely known as cutleaf coneflower, or sochan, is a robust, rhizomatous perennial herbaceous plant in the family Asteraceae. It is native to eastern and central North America, where it thrives in moist environments such as floodplain forests, wet meadows, and along stream banks. The genus name Rudbeckia honors Olof Rudbeck the Elder and his son, the Swedish botanists who mentored Carl Linnaeus, while the species epithet laciniata refers to the deeply "cut" or incised margins of its pinnately divided leaves. Historically, this plant has been a significant cultural and nutritional asset for numerous Indigenous North American nations, particularly the Cherokee, who historically harvested the tender young spring shoots as a critical seasonal potherb.

The plant is architecturally striking, often reaching heights of 2 to 3 meters with smooth, branched stems and large, jaggedly lobed, glaucous green leaves. The inflorescence consists of large, showy flower heads with distinct, drooping, bright yellow ray florets surrounding a prominent, hemispherical, greenish-yellow central disk, which turns a darker brownish-green as the disc florets mature. As a clonal species, it frequently forms expansive, dense colonies that provide critical late-summer nectar for native pollinators, including various species of bees and butterflies. Rudbeckia laciniata is highly adaptable and grows best in full sun to partial shade, requiring consistent moisture to maintain its lush growth throughout the summer season.

The most culinary-significant part of Rudbeckia laciniata is the tender young foliage harvested in early spring. These shoots, referred to as "sochan," are highly valued in Appalachian and Indigenous culinary traditions for their unique flavor, which is reminiscent of a mild, earthy green with a pleasant, slightly bitter edge. They are traditionally prepared by boiling or steaming, often served alongside other wild greens or wilted into soups and stews. Because the plant's older leaves become tough, fibrous, and quite bitter due to an increase in secondary metabolites, the harvest window is restricted to the brief period when the plants first emerge in the spring. Beyond the foliage, there is little culinary use for the mature plant, though the roots have historically been used in infusions for medicinal purposes.

Nutritionally, the young shoots of Rudbeckia laciniata are dense in dietary fiber, Vitamin C, Vitamin A, and iron. Its biochemical profile is dominated by specialized defensive compounds characteristic of the Asteraceae family, including sesquiterpene lactones and polyacetylenes. These compounds serve as powerful plant defense mechanisms against herbivory and are the primary contributors to the plant's characteristic bitterness and biological activity. Traditional ethnobotanical applications include the use of roots as an analgesic for treating colds and headaches, while the greens themselves were long considered a "spring tonic" to revitalize the body after winter. Modern research into the plant focuses on the potential anti-inflammatory and antioxidant properties of these sesquiterpene lactones.