Sapindaceae

This includes Aceraceae and Hippocastanaceae of Michigan Flora. The regularly cultivated golden rain tree, Koelreuteria paniculata Laxm., self-sows avidly in gardens and arboreta and may well become established in Michigan. It is a tree with erect panicles of yellow flowers in early summer.

1. Herbaceous vines climbing by tendrils; mature fruits inflated, bladder-like and ±globose.

Cardiospermum

1. Trees or shrubs; fruits hard capsules or samaras, or if inflated, then triangular in cross section and tapered to the apex.

2. Leaves alternate, pinnate-pinnatifid or sometimes bipinnate.

Koelreuteria

2. Leaves opposite, simple and lobed or pinnately or palmately compound.

3. Leaves simple and lobed or pinnately compound; fruit a 2-winged samara.

Acer

3. Leaves palmately compound; fruit a large capsule.

Aesculus

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 3, 2020. https://michiganflora.net/family.aspx?id=SAPINDACEAE.