Verbena officinalis

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vervain

Herbal medicine
A perennial herb that contains alkaloids, bitter principles, glycosides (verbenin), tannins and volatile oil. Vervain is antipyretic, antispasmodic, contraceptive and diuretic; it has been used for headaches, skin infections, dysentery, suppressing appetite, increasing breast milk and as a liver and nerve tonic.

Verbena officinalis,

Verbena

a genus of plants in the family Verbenaceae.

Verbena bonariensis
called also purple top; suspected of causing sickness and abortion in cattle.
Verbena officinalis
contains a glycoside verbenalin reputed to cause contraction of the uterus and photosensitization. Called also common vervain.
Verbena rigida
thought to cause photosensitization. Called also Verbena venosa, wild verbena.
Verbena tenuisecta
suspected of causing deaths in chickens and photosensitization in sheep. Called also Mayne's pest.
References in periodicals archive ?
White vervain is gone, and the flowers of blue vervain climb to the top of their spikes, measuring out the last days of August.
Blue Vervain has definite analgesic and anti-inflammatory activity.
In addition, the team maintains wildflower gardens, which include several plants known to be used by local pollinating species, such as purple coneflower, Joe-Pye weed, tall coreopsis, spiked blazing star, milkweed, blue vervain and wild bergamot.
John's wort, gray-headed coneflower, blue vervain, white vervain, horseweed, oxeye, germander, teasel, fringed loosestrife, velvetleaf, wingstem, sundrops, small-flowered agrimony, bull thistle, tick trefoil, bush clover, burdock, showy and tall coneflower, Jimson weed, pigweed, thin-leafed mountain mint, tick trefoil, downy false foxglove, and three-seeded mercury.