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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 ...
Hypericum mutilum is a species of St. John's wort known by the common name dwarf St. John's wort. It is native to parts of North America and is present in other parts as an introduced species . It is an annual or perennial herb taking a multibranched erect form up to about 60 centimeters tall.
Other sources say mugwort is derived from the Old Norse muggi (meaning "marsh") and German wuertz (wort in English, originally meaning "root"), which refers to its use since ancient times to repel insects, especially moths. [3] The Old English word for mugwort is mucgwyrt where mucg-, could be a variation of the Old English word for "midge": mycg.
Artemisia vulgaris, commonly known as mugwort, common mugwort, or wormwood, [note 1] is a species of flowering plant in the daisy family Asteraceae. It is one of several species in the genus Artemisia commonly known as mugwort , although Artemisia vulgaris is the species most often called mugwort.
Hypericaceae is a plant family in the order Malpighiales, comprising six to nine genera and up to 700 species, and commonly known as the St. John's wort family. Members are found throughout the world apart from extremely cold or dry habitats. Hypericum and Triadenum occur in temperate regions but other genera are mostly tropical.
The sepals are either unequal or subequal, are broadly imbricate, and are paler than the leaves. They are 6–16 by 3–12 millimetres (0.24 in–0.63 in × 0.12 in–0.47 in), and are broadly ovate to lanceolate, and have a rounded base. They are entire, large, pointed, and persistent in fruit. [9] They have 9–15 veins that are branching.
Triadenum fraseri, commonly known as bog St. John's wort, Fraser's St. John's wort, and Fraser's marsh St. John's wort, is a perennial flowering plant in the family Hypericaceae that grows in wetlands of Canada and the northern United States. [2] [3] [4] It is named after John Fraser (1750–1811), a Scottish botanist and widely travelled plant ...
Hypericum ascyron, the great St. Johnswort [2] or giant St. John's wort [3] is a flowering plant in the family Hypericaceae. Description