Dried common beans: dark red kidney beans, white ones and speckled ones. They are simmered in meat soups and mashed with sugar for the Beijing sweet 芸豆卷. The word can also mean fresh green beans in the pod.
芸豆 covers several common-bean cultivars sold in Chinese markets: 红芸豆 (red kidney bean), 白芸豆 (white kidney bean / cannellini), and 花芸豆 (cranberry bean). Distinct from 红豆 (azuki) and 黑豆 (black soybean).