Althaea cannabina Althaea cannabina Althaea cannabina, commonly called palm-leaf marshmallow or hemp-leaved hollyhock, is a perennial herb belonging to the genus "Althaea" of the Malvaceae family. The leaves resemble those of hemp ("Cannabis sativa"), hence the specific epithet "cannabina" ("hemp-like"). "Althaea cannabina" reaches on average of height. The stem is erect, cylindrical, pubescent and very branched. Lower leaves are petiolate, hairy and almost completely subdivided in three-five segments, linear or linear-lanceolate, toothed or lobed, up to wide and long. The upper leaves are simply lobed and toothed. The flowers are solitary or in clusters and grow in the axils of the leaves,
Calendula officinalis oils. The flowers of "Calendula officinalis" contain flavonol glycosides, triterpene oligoglycosides, oleanane-type triterpene glycosides, saponins, and a sesquiterpene glucoside. Plant pharmacological studies have suggested that "Calendula" extracts may have anti-viral, anti-genotoxic, and anti-inflammatory properties "in vitro". In an "in vitro" assay, the methanol extract of "C. officinalis" exhibited antibacterial activity and both the methanol and the ethanol extracts showed antifungal activities. Along with horsetails ("Equisetum arvense"), pot marigold is one of the few plants which is considered astringent despite not being high in tannins. Calendula officinalis Calendula officinalis, the pot marigold, ruddles, common marigold or Scotch marigold, is a plant