Premna tomentosa Willd

Synonym

Lam.

Cornulia corymbosa

Family ► Verbenaceae.

Habitat ► Peninsular India and Bihar up to 1,200 m.

English ► Bastard Teak.

Prosopis chilensis Stuntz. 517

Siddha/Tamil ► Kolakottathekku pinari, Pondanganari.

Action ► Bark and essential oil of root—used in stomach disorders. Leaf—diuretic, vulnerary; prescribed as a tonic after child birth; used in dropsical affections. Pounded leaves—vulnerary.

The heartwood gave apigenin derivatives. The leaves gave essential oil containing d-and dl-limonene, beta-caryophyllene a sesquiterpene hydrocarbon, a diterpene hydrocarbon and a sesquiterpene tertiary alcohol.

The roots and rhizomes of P. veris and P. elatior contain a saponin, yielding a sapogenin, primulagenin A. A fla-vonol glycoside named primulaflavo-noloside has been reported in the flowers of P. veris. The root of P. veris are considered as a substitute for Senega (Polygala senega) roots.

Anthocyanidins have been detected in most of the Primula species, also a highly toxic allergenic substance, primin, in the leaves and glandular hairs. The floral and foliar parts of the different genotypes showed presence of kaempferol, quercetin and myricetin.

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