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Thalictrum (/ θ ə ˈ l ɪ k t r ə m /) is a genus of 120-200 species of herbaceous perennial flowering plants in the buttercup family, Ranunculaceae, native mostly to temperate regions. [1] Meadow-rue is a common name for plants in this genus.
Ranunculaceae contain protoanemonin, which is toxic to humans and animals. Contact with plant sap may cause inflammation and blistering of the skin, while ingestion can cause irritation of the mouth, vomiting, and diarrhea. [11] Other poisonous or toxic compounds, alkaloids and glycosides, are also common. [citation needed]
Of necessity it contains the family Ranunculaceae, the buttercup family, because the name of the order is based on the name of a genus in that family. Ranunculales belongs to a paraphyletic group known as the basal eudicots. It is the most basal clade in this group; in other words, it is sister to the remaining eudicots.
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Ranunculus is a genus of about 1,700 species of plants in the Ranunculaceae. [1] Members of the genus include the buttercups , spearworts and water crowfoots . Contents
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When Ranunculus plants are handled, naturally occurring ranunculin is broken down to form protoanemonin, which is known to cause contact dermatitis in humans and care should therefore be exercised in extensive handling of the plants. [20] The toxins are degraded by drying, so hay containing dried buttercups is safe. [21]
[23] [24] The aromatic amino acid phenylalanine, synthesized in the shikimic acid pathway, is the common precursor of phenol containing amino acids and phenolic compounds. In plants, the phenolic units are esterified or methylated and are submitted to conjugation , which means that the natural phenols are mostly found in the glycoside form ...