Ventilago madraspatana is a large climbing shrub with extensive branches hanging down from the tops of the trees[
The plant is harvested from the wild, mainly for its bark which is a source of dyestuff. The dye is used locally and was at one time exported, before the advent of synthetic dyes greatly reduced the demand for it. The plant also supplies food, medicines, fibre, gum and tannins for local use.
E. Asia - India, Sri Lanka, Myanmar, Indonesia.
]. Low country in Sri Lanka, where it is very common in dry regions but rather rare in moist regions[
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The flowers have an offensive aroma[
Seeds - cooked[
An oil expressed from the seed is used for cooking[
The powdered root bark, mixed with gingelly oil, is sometimes used as an external application to treat itch and other cutaneous eruptions[
The root bark is used for colouring mordanted cotton, wool and silk. Reddish shades are obtained[
]. In combination with the root of Oldenlandia umbellata., a beautiful dark brown colour is obtained[
The root bark contains a number of pigments, the most important being ventilagin, a reddish-brown resinous product, and emodin. The colours produced on clothes are fairly fast when a mordant is used[
The bark is a source of tannins[
A gum is obtained from the plant[
A fibre obtained from the bark is used for cordage[
]. The long stems are sometimes used instead of ropes[
The wood is pale yellow, porous and soft[
]. It is used as fuel[
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