There is a Chinese wingnut tree (Pterocarya stenoptera) in the Arboretum.

Chinese wingnuts are excellent trees: they grow fast and tall, they don’t mind clay, they survive drought easily and produce workable timber. But they develop extensive, wide-growing root systems, from which they produce many, many suckers that grow as fast and as large as the parent tree. If it is not cut back regularly, a Chinese wingnut tree soon becomes a Chinese wingnut thicket.

Here is FoSCP cutting back wingnut suckers.

Header picture: Chinese wingnut fruits by Gmihail (CC BY-SA 3.0 RS) Wikimedia commons

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