Eucommia (Eucommia ulmoides) occurs as little tree native to China. These are extinct within the wild, however is widely cultivated in China for its bark, highly valued around herbology (traditional Chinese medicine). These are a resole member of the personal Eucommiaceae, & was erst considered to become a separate the correct sequence, the Eucommiales.

Eucommia grows to astir Xv m tall. A leaves are deciduous, arranged alternately, elementary ovoid by owning an acuminate tip, 8–16 cm yearn, & by having the serrate margin. Whenever the leaf is torn through, strands of latex exuded from a leaf veins solidify into rubber and hold them area of the leaf together. A flowers are invisible, little & green; a fruit is a winged samara with one seed, very similar to an elm samara in appearance, Two–Three cm hanker & One–Two cm broad.

Eucommia is as well once within a while ingrained in botanical gardens and more gardens in Europe, North America and elsewhere, being of interest when a single cold-tolerant (to at least -30°C) rubber-producing tree.

These are besides for instance referred to as "Gutta-percha tree" or even "Chinese rubber tree", however is non related either truth Gutta-percha tree of southeast Asia, nor in the south Our contries rubber tree.

Fossils of Eucommia have been observed inside 10–35 million season old brown coal deposits in central Europe and widely in North America (Call & Dilcher 1997), indicating that the genus had a much wider range in the past.