Petrea amazonica Moldenke
Petrea arborea Kunth
Petrea arborescens Archer ex Moldenke
Petrea aspera Turcz.
Petrea aspera albiflora Moldenke
Petrea atrocoerulea Moldenke
Petrea colombiana Moldenke
Petrea erecta G.Lodd.
Petrea fragrantissima Rusby
Petrea kohautiana C.Presl
Petrea mexicana Willd. ex Cham.
Petrea nitidula Moldenke
Petrea ovata M.Martens & Galeotti
Petrea racemosa Nees
Petrea retusa C.Presl
Petrea riparia Moldenke
Petrea rivularis Moldenke
Petrea serrata C.Presl
Petrea stapeliae Paxton
Petrea subserrata Bárcena
Petrea subserrata Cham.
Petrea swallenii Moldenke
Petrea vincentina Turcz.
Cultivated flowering plant in Pretoria, S. Africa
Photograph by: JMK
Petrea volubilis is a deciduous shrub growing up to 4 metres tall in an open position, or can become a climbing plant with stems up to 12 metres long. The stems twine around other plants for support, they are around 10cm in diameter[
The plant is harvested from the wild for local medicinal use. It is often grown as an ornamental in the tropics, valued especially for its display of blue flowers[
S. America - Paraguay, Brazil, Bolivia, Peru, Ecuador, Colombia, Venezuela, Guyanas; C. America - Panama to Mexico; Caribbean - Trinidad to Florida.
Seasonal evergreen forest along streams, roadsides, steep limestone walls in dry forest, limestone outcrops, pastures on clay and rocky soil, and on rock[
|Other Uses Rating||
|Cultivation Status||Ornamental, Wild
Succeeds in full sun and in light shade[
]. Prefers a fertile, moist but well-drained soil[
A fast-growing plant[
The flowers are combined with those of the Agouti Vine (Chiococca alba) to make an abortifacient tea[
]. They are combined with those of Tannia (Xanthosoma sp.), Couroupoume (Myrcia citrifolia) and Goatweed (Capraria biflora) to make an infusion that is used to treat diarrhoea[
The leaves are used in the treatment of diabetes[
A methanol extract of the leaves (tincture) has shown hypoglycaemic activity[
The crude sap obtained from the grated or macerated stem is used as a resolutive to soothe wounds and burns[
The wood is poorly resistant to decay and has no commercial value. It is used locally to make toys[
The wood is hard and burns fast without much smoke. It makes a good fuel[
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