''Cionura'' is a genus of perennial plants found through the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ...

regions, the South and Eastern parts of the

Balkan peninsula The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...

and

Asia Minor Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

. It contains only one known species, ''Cionura erecta''.The Plant List
/ref> The plants are woody-stemmed, either upright or twining with numerous herbaceous sprawling stems and poisonous milky sap. The leaves are bright green and broadly ovate, long and wide. Large clusters of delicate fragrant white flowers are borne terminally from April to June. The plants bear fruits long, with a papery flap. The seeds have a wide marginal wing all around with a terminal tuft of long white silky hairs. Because it is a poisonous plant, goats and sheep do not approach it.
/ref>

References

Asclepiadoideae Monotypic Apocynaceae genera {{Apocynaceae-stub