Eucommia ulmoides

English: Gummiulme; Gutta-percha tree; Guttaperchabaum; Tu-chung; Eucommia; Hardy rubber tree.
Chinese: Du zhong
Japanese: Tochu.
Genus: 1 species; 1 genus.
Clades: Eucommiaceae.
Region: China.
Habitat: valleys, hills, mountains.
Content: lignan, pinoresinol diglucoside; 70 components; fatty acid, linolenic (57%), linolelaidic (13%), oleic (16%), palmitic (10%), stearic (4%) acids; polyunsaturated fatty acids 70%, monounsaturated versus 17%, fatty acids 13%; iridoids, phenylpropanoids, flavonoids; pinoresinol di-beta-D-glucopyranoside, geniposidic acid; genipin, geniposide; chlorogenic acid; flavonoids, baicalein, wogonin, oroxylin A; rubber, cis-1,4-polyisoprene, trans-1,4-polyisoprene
Use: medicinal, TCM, Chinese medicine; natural rubber for the organic chemical industry, for telegraph cables, conveyors, golf balls, chewing gums, root canal fillings; for treating fungi from cotton, wheat, potato, tomato, and tobacco, including Phytophthora infestans, Ascochyta lycopersici, Verticillium dahliae, Gibberella zeae, Alternaria nicotianae, Fusarium moniliforme, Fusarium oxysporum, Colletotrichum gossypii.BotanyTree; deciduous; dioecious woody; 10 to 15 m tall.
Leaves: oval; 8 to 16 cm long; alternate; serrated margin.
Flowers: small; green; bloom from March to May.
Fruits: ripe June and November.Chai X, Wang Y, Su Y, et al. A rapid ultra performance liquid chromatography-tandem mass.spectrometric method for the qualitative and quantitative analysis of ten compounds in Eucommia
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