鲜黄连属（学名：Jeffersonia）是小檗科下的一个属，为多年生草本植物。该属共有2种，分布于北美和东亚。

Jeffersonia which is also known as twinleaf or rheumatism root, is a small genus of herbaceous perennial plants in the family Berberidaceae. They are uncommon spring wildflowers, which grow in limestone soils of rich deciduous forests. Jeffersonia was named for United States President Thomas Jefferson, by his contemporary Benjamin Smith Barton. This genus was formerly grouped in genus Podophyllum. Twinleaf is protected by state laws as a threatened or endangered plant in Georgia, Iowa, New York, and New Jersey.