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St. John's wort Also known as Klamath weed [3] Hypochaeris radicata: Flatweed or catsear Has been implicated in causing Australian stringhalt, possibly due to a toxic mold that grows on it, especially poisonous to draft horses [10] [23] Jacobaea: Ragworts Juglans nigra: Black walnut Bedding horses in shavings or sawdust can cause laminitis [3]
Hypericum perforatum, commonly known as St John's wort (sometimes perforate St John's wort or common St John's wort), is a flowering plant in the family Hypericaceae.It is a perennial plant that grows up to 1 metre (3 ft 3 in) tall, with many yellow flowers that have clearly visible black glands around their edges, long stamens (male reproductive organs), and three pistils (female reproductive ...
St John's wort: Tipton's weed, Klamath weed Hypericum perforatum: Photosensitization, [3] [15] GI disturbances, "allergic reactions, fatigue, dizziness, confusion, dry mouth" [15] Valerian: garden valerian, garden heliotrope, all-heal Valeriana officinalis "drowsiness, GI upset, headache, palpitations, insomnia", [3] oversedation ...
The beetles Chrysolina quadrigemina, Chrysolina hyperici and the St. John's-wort root borer (Agrilus hyperici) feed on common St. John's-wort (H. perforatum) plants and have been used for biocontrol where the plant has become an invasive weed. [13] Hypericum species are the only known food plants of the caterpillar of the treble-bar, a species ...
Hypericum androsaemum, the shrubby St. John's wort, is a flowering plant in the family Hypericaceae. Commonly called tutsan or sweet-amber , the species is cultivated as an ornamental plant because of its striking red-tinted foliage, bright yellow petals, and its large clusters of fruit.
Hypericum punctatum, the spotted St. John's wort, is a perennial herb native to North America. [2] The yellow-flowered herb occurs throughout eastern North America into southern Canada . The process of microsporogenesis carried out by this plant is prone to errors in chromosomal segregation .
Hypericum calycinum is a low, creeping, evergreen woody shrub (classified as a subshrub or shrublet [4]) to about 1 m tall and 1–2 m wide but often smaller.The green, ovate leaves grow in opposite pairs.
Hypericum frondosum, the cedarglade St. Johnswort or golden St. John's wort, is a species of flowering plant in the St. John's wort family, Hypericaceae. [ 1 ] [ 2 ] [ 3 ] It is native to the central and southeastern United States in dry, rocky habitats.