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

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regions, the South and Eastern parts of the

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and

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. 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 Taxa named by August Grisebach {{Apocynaceae-stub