Where are Sapindaceae species most abundant?

Species in the Sapindaceae family are found primarily in tropical and subtropical regions worldwide, with their greatest abundance in the American tropics.12

While the family is predominantly tropical, its distribution extends into temperate zones as well. For example, the genus Acer (maples)—now classified within Sapindaceae—is widely distributed across the north temperate zone, with a major centre of diversity in China. Additionally, the genus Serjania is notably diverse in southeastern Brazil. Overall, the family is found throughout the wetter tropics and subtropics, ranging as far north as Japan and as far south as New Zealand.12