Robinia pseudoacacia Linn

Family ► Fabaceae.

Habitat ► Western Himalayas and Jammu & Kashmir.

English ► Locust tree, False Acacia, Robinia, Black Locust.

Action ► Leaves—laxative, antispas-modic (an infusion is prescribed in digestive disorders). Flowers— diuretic, antispasmodic.

The bark, leaves and roots contain a toxalbumin, robin (1.6% in the bark), which resembles ricin present in the castor seed. The bark also contains a glucoside robinitin (3%), syringin, tannin (up to about 7.0%). Inner bark contains amygdalin and urease.

The leaves are rich in calcium, phosphorus and potash. The presence of glycosides, acaciin, apigenin-7-bioside, apigenin-7-trioside and indican, have also been reported.

The flowers are powerfully diuretic due to a glycoside, robinin. Flowers also contain l-asparagine.

The roots are rich in asparagine, also contain robin. Root bark, if taken in excess, is emetic and purgative.

The bark and young shoots are poisonous to livestock.

Synonym ► R. indica Hiern. Nasturtium indicum DC.

Family ► Brassicaceae.

Habitat ► Throughout India, in damp places, ascending up to 2,100 m in the Himalayas.

Unani ► Khoobkalaan (also equated with Sisymbrium iro Linn., Hedge Mustard, London Rocket).

Siddha/Tamil ► Kattu-kadugu.

Action ► Plant—antiscorbutic, stimulant, diuretic (given in diarrhoea, dysentery and fever). Seeds—laxative, prescribed in the treatment of asthma.

Glucosinolates of 8-methylthio-oc-tyl, 8-methylsulphinyloctyl and 2-phe-nylethyl have been isolated from the seeds.

R. islandica (Oeder) Borbas (Bihar, Bengal, Kerala) and R. montana Small (Punjab to Sikkim) are used for antiscorbutic, digestive and diuretic properties.

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