Eutrochium fistulosum, also called hollow Joe-Pye weed, trumpetweed, or purple thoroughwort, is a perennial North American flowering plant in the sunflower family. It is native to southern Canada and throughout the eastern and south central United States from Maine west to Ontario, Wisconsin, and Missouri and south as far as Florida and Texas. The specific name fistulosum refers to the tubular stem; see fistula.
Viola arvensis is a species of violet known by the common name field pansy. It is native to Europe, western Asia, and North Africa, and it is known on other continents as an introduced species and a weed of disturbed and cultivated areas.
Vernonia is a genus of about 350 species of forbs and shrubs in the family Asteraceae. Some species are known as ironweed. Some species are edible and of economic value. They are known for having intense purple flowers. The genus is named for the English botanist William Vernon. There have been numerous distinct subgenera and subsections named in this genus, and some botanists have divided the genus into several distinct genera. For instance, the Flora of North America recognizes only about twenty species in Vernoniasensu stricto, seventeen of which are in North America north of Mexico, with the others being found in South America.
Vernonia galamensis is a plant in the sunflower family, known for its use as an oilseed. This species, often called ironweed, is the largest source of vernonia oil, which is rich in a useful epoxy fatty acid called vernolic acid and is used to make plastics, rubbery coatings, and drying agents. Use of this oil as a replacement for traditional plasticizers and binders in the production of paints and PVC shows promise as a method of reducing smog pollution.
Viola sororia, known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant that is native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, the lesbian flower, woolly blue violet, hooded violet, and wood violet. Its cultivar 'Albiflora' has gained the Royal Horticultural Society's Award of Garden Merit.
Asclepias purpurascens, the purple milkweed, is a herbaceous plant species. It is in the genus Asclepias, making it a type of milkweed. It is native to the Eastern, Southern and Midwestern United States similar to the range of the common milkweed. The plant gets its name from the flowers that first develop a pink color but then turn darker purple as they mature. Unlike common milkweed, purple milkweed prefers some shade and is considered a plant of partial shade. It is also considered an indicator of oak savanna, especially in Wisconsin. The species rarely produces seed pods which are smooth instead of the rough warty ones produced by common milkweed.
Eutrochium purpureum, commonly known as purple Joe-Pye weed, kidney-root, sweetscented joe pye weed, sweet Joe-Pye weed, is an herbaceous perennial plant in the sunflower family. It is native to eastern and central North America, from Ontario east to New Hampshire and south as far as Florida, Louisiana, and Oklahoma. It is sometimes called gravel root,trumpet weed or feverweed.
Vernonia proctorii is a rare species of flowering plant in the aster family known by the common name Proctor's ironweed. It is endemic to Puerto Rico, where there are two populations. It is threatened by the destruction of its habitat. It is a federally listed endangered species of the United States.
Vernonia blodgettii, the Florida ironweed or Blodgett's ironweed, is a species of perennial plant from family Asteraceae that is native to Florida and the Bahamas.
Vernonia gigantea is a species of perennial plant from family Asteraceae found in United States and Canada. The plant is native to the eastern United States, north to New York state and Ontario, and southwest to Texas.
Vernonia missurica, the Missouri ironweed, is a species of purple-flowered perennial plant from family Asteraceae found growing in the central United States.
Vernonia arkansana is a species of perennial plant from family Asteraceae found in south-central United States. The plant is 4–6 feet (1.2–1.8 m) high and 3–4 feet (0.91–1.22 m) wide. The flowers bloom from August to September and are pink-purple coloured. It is a recipient of the Royal Horticultural Society's Award of Garden Merit.
Ironweed or iron weed may refer to:
Cyanthillium cinereum is a species of perennial plants in the sunflower family. The species is native to tropical Africa and to tropical Asia and has become naturalized in Australia, Mesoamerica, tropical South America, the West Indies, and the US State of Florida.
Vernonia lettermannii, the narrowleaf ironweed, is a plant species known only from Arkansas and Oklahoma. It grows on floodplains and terraces at elevations of 100–200 m (330–660 ft).
Papaipema cerussata, the ironweed borer moth, is a moth in the family Noctuidae. It is found in eastern North America, where it has been recorded from Georgia, Illinois, Indiana, Kentucky, Maine, Maryland, Michigan, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia and West Virginia.
Vernonia baldwinii, the western ironweed or Baldwin's ironweed, is a perennial herb native to central North America.
Vernonia lindheimeri, commonly known as woolly ironweed, is a species of flowering plant in the aster family (Asteraceae). It is native North America, where it is native to the state of Coahuila in Mexico and to the state of Texas in the United States. Its natural habitat is in open, calcareous areas.
Vernonia texana, commonly called Texas ironweed, is a species of flowering plant in the aster family (Asteraceae). It is native eastern to North America, where it is found primarily in the South Central region of the United States. Its natural habitat is in open sandy woodlands.
Alternanthera brasiliana, also known as large purple alternanthera, metal weed, bloodleaf, parrot leaf, ruby leaf, Brazilian joyweed, purple alternanthera, purple joyweed, is a flowering plant of the amaranth family that is native to the forests of South America and as well as Central America. Grown as an ornamental plant, it is very similar in appearance to Alternanthera dentata, which is listed as one of this species's synonyms.
