Apocynum venetum, commonly known as sword-leaf dogbane,[2] is a plant species in the dogbane family that is poisonous but used as a source of fiber, medicine, and nectar for production of honey.

[3] Apocynum venetum is considered to be native to a wide range in northern Asia and Southeast Europe: Italy, Bulgaria, Romania, Ex-Yugoslavia, Turkey, Ukraine, Russia, Siberia, Central Asia, Iran, Iraq, Cyprus, Pakistan, Afghanistan, China, and Japan.

[1][3][4] It grows in swamps, wet places, and maritime sands.

[5] Apocynum venetum fibers can be extracted from the A. venetum bast; these fibers possess the luster of silk, smoothness of ramie, malleability of cashmere, and the softness of cotton.

[6] Apocynum venetum leaves have been used in traditional medicine for the treatment of hypertension.