Goldenrain Tree Koelreuteria paniculata LaxmanNon-native  -  Invasive    
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Sapindales   >   Family Sapindaceae   >   Genus Koelreuteria   

Status:

Goldenrain Tree is an introduced, Asian species that is often planted as a street tree. The Digital Atlas of the Virginia Flora notes that, in Virginia, this species has "frequently escaped on roadsides and [in] other open, disturbed habitats state-wide." The same thing may be happening in Maryland. This species bears watching in Maryland (J. Hill/MNPS).

"Even though this tree is loved and valued by many, we cannot ignore the invasive characteristics that initiated its appointment as a Category II exotic invasive. Koelreuteria is a fast growing plant that is able to grow in an array of environmental conditions" (UF-IFAS Center for Aquatic and Invasive Plants).

Description:

Goldenrain-Tree is a member of the Sapindaceae (Soapberry Family). The leaves are pinnately compound; the flowers are yellow and arranged in large panicles (when falling, they have been said to resemble "golden rain"); and the fruits ripen into brown, papery capsules that look a bit like Chinese lanterns (J. Hill/MNPS).

This species is still "recommended for cities because it is drought tolerant, pollution tolerant, and is pretty when it blooms" (J. Stasz, pers. comm.).

Relationships:

A host to Red-shouldered Bug (Goldenrain-tree Bug).

There are 60 records in the project database.

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Goldenrain Tree blooming in Wicomico Co., Maryland (6/24/2014). Photo by Jim Brighton. (MBP list)

Goldenrain Tree in bloom in Howard Co., Maryland (6/5/2010). Photo by Bill Harms. (MBP list)

Goldenrain Tree in Baltimore City, Maryland (7/19/2014). Photo by Bill Hubick. (MBP list)

A Goldenrain Tree in Baltimore City, Maryland (7/19/2014). Photo by Bill Hubick. (MBP list)

A Goldenrain Tree in Baltimore City, Maryland (7/19/2014). Photo by Bill Hubick. (MBP list)

Goldenrain Tree in fruit in Howard Co., Maryland (7/17/2010). Photo by Bill Harms. (MBP list)

The trunk of a Goldenrain Tree in Wicomico Co., Maryland (6/24/2014). Photo by Jim Brighton. (MBP list)

Goldenrain Tree (seed pods in winter) in Baltimore City, Maryland (12/28/2015). Photo by Bill Hubick. (MBP list)

A young Goldenrain Tree at Canton Waterfront Park in Baltimore City, Maryland (10/19/2017). Photo by Bill Hubick. (MBP list)

Goldenrain Tree in Caroline Co., Maryland (7/10/2017). Photo by Wayne Longbottom. (MBP list)

Goldenrain Tree in Caroline Co., Maryland (7/10/2017). Photo by Wayne Longbottom. (MBP list)

Goldenrain Tree blooming in Howard Co., Maryland (6/22/2019). Photo by Bill Hubick. (MBP list)

Goldenrain Tree seeds in Frederick Co., Maryland (8/10/2019). Photo by Bill Hubick. (MBP list)


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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: https://mdinvasives.org/species-of-concern/.