Cornus officinalis Sieb. et Zucc. - syn.Cornus mascula var. japonica Sieb. et Miq.; Macrocarpium officinale (Sieb. et Zucc.) Nakai. - Cornaceae
山茱萸 shan zhu yu (chin.), サンシュユ san shu yu (jap.), Japanese cornel, Japanese cornelian cherry, Japanische Kornelkirsche, Asiatische Kornelkirsche, Chinesischer Hartriegel

Shrub or tree, 4–10m tall, native to Japan and China.
„The fruit, called “zhu yu” or “zao pi” in Chinese medicine, is prescribed as an astringent tonic for impotence, spermatorrhea, lumbago, vertigo, and night sweats.“ http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200016000

„SDE was used to extract essential oil from Fructus Corni of Shi Tai, Anhui province… Forty eight essential compounds were identified. The highest content was hexadecanoic acid (28.86%), followed by methyl linolenate (10.82%). Components with qualities analyzed was 91.54% of the total essential oil.“
[Analysis of the Essential Oils from Cornus officinalis by Simultaneous Distillation Extraction Coupled with Gas Chromatography-mass Spectrometry. Yuanyuan, W., Qi, R., Guimin, Z., A’na, L., Zhien, D., Food and Fermentation Industries, Vol.4, 2010, 49]

„The fruit of Cornus officinalis, called “Shanzhuyu”, a traditional medicine in China, is used for the treatment of kidney diseases, including diabetic nephropathy. The aim of this study is to investigate the anti-diabetic nephropathy activity of Shanzhuyu and the active compounds in the fruit… The results suggested that loganin and its derivatives were the active compounds in Cornus officinalis fruit (Shanzhuyu) on diabetic nephropathy. This study further supported the traditional use of Shanzhuyu to treat diabetic nephropathy and related kidney diseases.“
[Bioactive compounds from Cornus officinalis fruits and their effects on diabetic nephropathy. Ma, W., Wang, K. J., Cheng, C. S., Yan, G. Q., Lu, W. L., Ge, J. F., Li, N. , Journal of ethnopharmacology, Vol.153(3), 2014, 840-845]

Siebold,P.F. von, Zuccarini,J.G., Flora Japonica, t.50 (1875) [J.Unger]
http://plantgenera.org/species.php?id_species=275692