Trifolium polymorphum, commonly known as Peanut Clover, is a perennial herb native to temperate regions of South America, particularly in Argentina and Uruguay. It is often found in grasslands, meadows, and along riverbanks, where it forms a low-growing mat. This species typically reaches a height of 0.5-1 feet (0.15-0.3 meters) and spreads 0.5-0.8 feet (0.15-0.25 meters). Peanut Clover has trifoliate leaves and produces dense, spherical flower heads that are white or pink, blooming profusely in the spring and summer. The flowers are modest in size but can be quite numerous, creating a carpet of color.

Peanut Clover is valued for its nitrogen-fixing ability, which enriches the soil and supports the growth of surrounding plants. It is used as a ground cover, in mixed borders, and as a green manure crop in agriculture. It is also planted in pastures for grazing due to its high nutritional value for livestock. Peanut Clover requires full sun to part shade and thrives in a range of soil types, including clay, loam, and sandy soils, provided they have medium to fast drainage. It is drought-tolerant once established and has a moderate water requirement. While generally disease-resistant, it can be susceptible to root rot in poorly drained soils.CC BY-SA 4.0