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Verbena hastata, commonly known as American vervain, [1] blue vervain, [2] simpler's joy, [3] or swamp verbena, [4] is a perennial flowering plant in the vervain family Verbenaceae. It grows throughout the continental United States and in much of southern Canada.
Blue vervain is a common name for several plants in the genus Verbena and may refer to: Verbena hastata, native to North America; Verbena officinalis, native to Europe
It has many common names including blue porterweed, blue snake weed, bastard vervain, Brazilian tea, Jamaica vervain, [5] light-blue snakeweed, [6] and, in St. Croix, worryvine. source? It usually is found along country roadsides, and it also grows well as a ruderal plant on disturbed terrain.
The plant is used in traditional medicine for the treatment of insomnia and anxiety, despite serious safety concerns. [118] A 2006 study suggested medicinal potential. [119] Plantago lanceolata: Plantain It is used frequently in herbal teas and other herbal remedies. [120] A tea from the leaves is used as a highly effective cough medicine.
Verbena officinalis, the common vervain or common verbena, is a perennial herb native to Europe. It grows up to 70 cm (28 in) high, with an upright habitus . The lobed leaves are toothed, and the delicate spikes hold clusters of two-lipped mauve flowers.
Stachytarpheta cayennensis is a species of flowering plant in the verbena family known by many English language common names, including blue snakeweed, Cayenne snakeweed, dark-blue snakeweed, bluetop, nettle-leaf porterweed, rattail, rough-leaf false vervain, [2] blue rat's tail, Brazilian tea, Cayenne vervain, false verbena, joee, nettleleaf velvetberry, [3] and Cayenne porterweed. [4]
Verbena (/ v ər ˈ b iː n ə /), [3] also known as vervain or verveine, is a genus in the family Verbenaceae. It contains about 150 species of annual and perennial herbaceous or semi-woody flowering plants .
Valerian (Valeriana officinalis, Caprifoliaceae) is a perennial flowering plant native to Eurasia. It produces a catnip-like response in cats.. Crude extract of valerian root may have sedative and anxiolytic effects, and is commonly sold in dietary supplement capsules to promote sleep, but clinical evidence that it is effective for this purpose is weak or inconclusive.