A very variable species, detailed investigation might lead to this species being divided up into several taxa[
Marsdenia globifera Tsiang
Marsdenia tinctoria is a climbing plant, growing up to 5 metres tall.
The plant is harvested from the wild as a source of a blue dye. The plant is also sometimes cultivated as a dye plant in southeast Asia[
], though the advent of synthetic dyes has greatly reduced the incidence of its cultivation. It was formerly especially grown in places where heavy rainfall prevented indigo from being grown successfully[
E. Asia - China, India, Sri Lanka, Myanmar, Thailand, Laos, Vietnam, Malaysia, Indonesia, Philippines
Humid mixed woods at elevations of 400 - 1,000 metres in S. China[
]. Climbing on trees or over rocks in primary and secondary forests at low and medium elevations. Also in thickets and on open ground, possibly as remnants of former cultivation[
|Other Uses Rating||
|Cultivation Status||Cultivated, Wild
A plant of subtropical to tropical lowland areas.
The alcoholic extract of the plant, and its alkaloidal fraction, show oxytocic action on sensitized uterine horns in rats[
]. Several triterpenes have been isolated[
The leaves are used in traditional medicine to treat intestinal disorders[
They are rubbed into the scalp to stimulate hair growth[
An extract of the plant is used to induce abortion[
The bark, leaves, and flowers are used in making a blue dye[
The leaves are used for dyeing textiles blue in the same way as indigo (Indigofera spp.), and for dyeing hair black[
The glucoside indican is thought to be present in the leaves, just as in indigo, but this is not certain, because no chemical analyses of the dyeing substances are available[
A fibre is obtained from the bark[
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.