(Rosy Periwinkle; Cayenne Jasmine)
Apocynaceae (Dogbane) Family
Plant is an upright, many branched, open crown, perennial with a taproot, deciduous. Preferred habitat is roadsides, pine woods and waste places. Distribution is throughout the Escambia region; however, its native range is considered to be no further north than the Escambia of Alabama; after which it is considered a domestic garden plant.
Leaves are dark green with a pale prominent vein; widest at the middle; tapering to the tip with sides less than equal; short leaf stalks; alternate on lower stem but nearly opposite above.
Flowers are white, pink or purple with a funnel-like corolla; bisexual; symmetrical in shape; five petals that are subtended by soft bracts. Flowers occur in the summer.
Fruit is a capsule.
The plant is an African native that has become established and naturalized throughout most of Florida. In some parts of central Florida it has become a pest.