[4][5], Ageratum has evolved a unique method of protecting itself from insects: it produces a methoprene-like compound which interferes with the normal function of the corpus allatum, the organ responsible for secreting juvenile hormone during insect growth and development. Some varieties have more heat tolerance especially the vegetatively propagated types. It looks like the annual ageratum and in … Origin. No serious insect or disease problems. 4 synonyms for ageratum: Conoclinium coelestinum, Eupatorium coelestinum, mistflower, mist-flower. Some common names for the half hardy annual Ageratum include Flossflower, Garden Ageratum, and Tropical Whiteweed. This species is accepted, and its native range is Mexico to Central America. majus Voss, 1894 Homonyms Ageratum houstonianum Mill. Other Common Names: ageratum Data Source and Documentation: About our new maps. Fungal issues. Taller varieties are appropriate for mid-borders or cutting gardens. What are synonyms for ageratum? Suitable pH: acid, … Taller varieties make good cut flowers.Genus name presumably comes from the Greek a meaning not and geras meaning old age because the flowers hold their color for a long time. Ageratum is a Linnaean name derived from the Greek a (not), and geras (old age), referring to the long-lasting nature of the flowers.The majority of species are native to the New World. Instead, the public now uses the genus name so frequently that it doubles, in essence, as a second common name. II, 1987; Matthew 1983, Giri & Majumdar 1983 Information Listing > References The best way to manage fungal infections is to use drip irrigation. Ageratum houstonianum. Seed may be started indoors in late winter and transplanted outdoors after threat of frost has passed. Ageratum conyzoides L. Synonyms. Features fluffy flowers (basically asters with ray flowers absent) in flattened to slightly rounded clusters atop compact, mounded plants generally ranging from 4 to 18 tall. Nomenclature and Classification > Taxon Record Name > Scientific Name. It is a Native plant of Mexico. Synonyms. On this page Created with Sketch. Instead, the public now uses the genus name so frequently that it doubles, in essence, as a second common name. Ageratum houstonianum or the Floss Flower is a pretty, annual bedding plant that grows in clumps or mounds. Ageratum houstonianum Mill. Ageratum humile Salisb. Ageratum performs best in the late spring and early summer and in the early fall. Ageratum houstonianum Mill. Image credit to Australian National Botanic Gardens. It has hairy, rough, oval shaped leaves with serrated edges and produces distinctive, fluffy flowerheads that are made up of fine filaments and bloom all summer long. Common names. There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. Image credit to Australian National Botanic Gardens. It is now very … Put 2 to 3 drops of this juice in both the nostrils once only. It is an herb that is 0.5–1 m. high, with ovate leaves 2–6 cm … The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Family: ASTERACEAE: Species: Ageratum conyzoides L.: Common Name: TROPICAL WHITEWEED: Plant Notes: The leaf blades have yellow punctate glands abaxially, and are apparently rarely ever eglandular, while the peduncles and phyllaries are without stipitate glands (Johnson 1971). Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Flower Color: Lavender to purplish blue, White. ): Rothmaler - excursion flora of Germany. Naturalised distribution (global) Locations within which Ageratum houstonianum is naturalised include Australia, south-eastern USA, southern Europe, … Flora of Tamil Nadu, VOL. Some taller varieties (e.g., the triploid ‘Blue Horizon’) are more erect and grow to as much as 30” tall. Ageratum hirsutum Poir. … … Ageratum conyzoides L. Accepted Name Appa grass Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Ageratum > Ageratum conyzoides L. The cultivated varieties include tetraploids and hybrids (Johnson, … There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. The common garden ageratum (A. houstonianum), also known as floss flower and blue mink, is frequently cultivated as an ornamental annual. Ageratum wants well-drained garden soil with a soil pH of 6.5 to 7.5. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Family: ASTERACEAE: Species: Ageratum conyzoides L.: Common Name: TROPICAL WHITEWEED: Plant Notes: The leaf blades have yellow punctate glands abaxially, and are apparently rarely ever eglandular, while the peduncles and phyllaries are without stipitate glands (Johnson 1971). Family Name: Asteraceae. (D-4) [OR-2-2-1348] Wound (cuts, scratches): Grind the leaves of Ageratum conyzoides and extract the juice. Ageratum hirtum Lam. Fungal diseases such as powdery mildew, gray mold, or Pythium may occur in and cause damage to your ageratum plants.Signs include white growth on leaves and flowers, and damping off of stems at the soil level. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. The ray flowers are threadlike, leading to the common name. Family. Asteraceae (Compositae) Origin. [1] The plant is native to Central America and adjacent parts of Mexico, but has become an invasive weed in other areas. They typically flower from June to late September. Notes on Taxonomy and Nomenclature Top of page. It is a Native plant of Mexico. The stems and leaves are covered with fine white hairs; the leaves are egg-shaped with broad end at base (ovate) up to 7.5 cm long. Powdery mildew is most common during wet, humid weather. Botanical name: Ageratum houstonianum 'Blue Mink' Common name: Purple mistflower ; Family: Asteraceae ; Plant Type: Annual ; Flower colour: Blue. Several dwarf varieties are commonly used as edging plants. Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Spektrum Akademischer Verlag, Berlin Heidelberg 2008, Acamovic, T., Stewart, C.S., Pennycott, T.W.,"Poisonous Plants and Related Toxins", 2004. Ageratum microcarpum (Benth. Prompt deadheading of the faded flowers is not necessary, but keeps a planting tidy and tends to promote a better uninterrupted bloom. Flossflower is the chief common name for Ageratum houstonianum. Ageratum pinetorum (L.O.Williams) R.M.King & H.Rob. Today, it is widely used as an ornamental plant for summer borders and balcony boxes, high varieties also as cut flowers. Asia: Japan and Korea. This species probably originated in Central and South America, but its exact native enrage is obscure. Prefers rich soils with good drainage and consistent moisture throughout the growing season. Watch for aphids and whiteflies. Asteraceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory) Compositae (South Australia) Common Names It prefers moist … Scientific Name Genus: Ageratum. South and Southeast Asia: Bangladesh, Cambodia, India, Indonesia, Lao PDR, Malaysia, Myanmar, Pakistan, Philippines, Sri Lanka, Thailand, and Vietnam. Spent flowers will fall to the ground as they fade to be replaced by new bloom throughout the growing season. Common names Synonyms . [2] [3] Ageratum has evolved an ingenious method of protecting itself from insects; it produces a precocene compound which interferes with the normal function of the corpus allatum, the organ responsible for secreting juvenile … Click below on a thumbnail map or name for species profiles. typicum B.L.Rob., 1923 Ageratum mexicanum Sims Ageratum mexicanum Sw. Ageratum mexicanum Sweet Ageratum mexicanum f. caeruleum Voss, 1896 Ageratum mexicanum f. mexicanum Ageratum mexicanum f. wendlandii Voss, 1896 Ageratum mexicanum var. Species flowers are medium blue, however many cultivar… The plant is sometimes harvested from the wild for local medicinal use. Culture and use notes: Many cultivars some from cuttings most from seed. Powdery mildew is an occasional problem, particularly in hot and humid climates where soils are kept on the dry side and air circulation is poor. Apply this juice on cut areas once only. Epilepsy: Squeeze the leaves of Ageratum conyzoides with a pinch of common salt and extract the juice. According to Flora of Tropical East Africa. It is in flower from June to October, and the seeds ripen from August to October. It grows to approximately 1 m in height. Native: Introduced: Both: Absent/Unreported: Native, No County Data: ... Scientific Name and Common Name; Kingdom: Plantae – Plants Subkingdom: Tracheobionta – … Plants may not bloom to frost in some hot summer climates, but usually do so in cooler ones. Ageratum conyzoides is a ANNUAL growing to 1 m (3ft 3in). The ray flowers are threadlike and fluff-haired, leading to the common name. Ageratum houstonianum. First autumn frost will kill most if not all plants, at which point they may be removed from the garden. Ageratum is prized for its blue flowers and is one of best blue-flowered annuals available. Geographical distribution. Flossflower is an annual plant. Native Introduced Native and Introduced Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Red sprangletop. It was also naturalized in large parts of the tropics and in the southern United States. Taller plants usually benefit from some support. Etymology Ageratum is derived from Greek "a geras," meaning non-aging, referring to the plant's longevity.Conizoides is derived from "kontz," the Greek name of Inula helenium, which it resembles (Kissmann and Groth, 1993). Common Name: Ageratum. Taller cultivars are used … It is an herb that is 0.5–1 m. high, with ovate leaves 2–6 cm long, and flowers are white to mauve. It’s ideal for using as edging and as part of summer container displays. The flowers are purple, blue, pinkish or white, less than 6 mm across, with around 30 to 50 flowers and arranged in close terminal flower-heads. Hemsl. Ageratum nanum Hort. There is also a medium height snowcapped variety, white top on blue flowers. Family. ex Sch.Bip. Hawaii Native Status: Introduced. Thanks to modern breeding it now has a more varied colour selection to choose from. Asteraceae, the aster, daisy, or composite family … Suitable pH: acid, neutral and basic (alkaline) soils. [6], Ageratum houstonianum is toxic to grazing animals, causing liver lesions. ", Global Compendium of Weeds, Ageratum houstonianum (Asteraceae), Project Gutenberg Literary Archive Foundation, https://en.wikipedia.org/w/index.php?title=Ageratum_houstonianum&oldid=994045226, Creative Commons Attribution-ShareAlike License, This page was last edited on 13 December 2020, at 20:55. This plant is called Ageratum in Hindi, Ageratum in Greek, Ageratum in Portuguese and … Key features: Attractive to wildlife Flowers Ageratum houstonianum is a popular herbaceous plant, bearing large trusses of fluffy flowers on strong stems. Some taller varieties (e.g., the triploid ‘Blue … Ageratums are easily grown from seed. Ageratum can grow up to 24 inches (60 cm) in height. Ageratum definition is - any of a genus (Ageratum) of annual tropical American composite herbs often cultivated for their small showy heads of usually blue or white flowers; also : a related blue-flowered perennial (Eupatorium coelestinum). Features fluffy flowers (basically asters with ray flowers absent) in flattened to slightly rounded clusters atop compact, mounded plants generally ranging from 4” to 18” tall. Turn the soil and add aged compost and lightly fertilizer with an all-purpose fertilizer. It is hardy to zone (UK) 9. Tolerates light shade, and prefers some light afternoon shade in hot summer climates. Family Name: Asteraceae. Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Ageratum ranges from Southeastern North America to Central America, but the centre of origin is in Central America and the Caribbean. The Ageratum houstonianum or Floss Flower as it is more commonly known, belongs to the Asteraceae family - the same very special family to which the Daisies, Asters, Gerberas, Chrysanthemums and so many others all belong. Ageratum conyzoides (billygoat-weed, chick weed, goatweed, whiteweed, mentrasto) is native to Tropical America, especially Brazil, and is an invasive weed in many other regions. You can also know the Ageratum Scientific Classification which will help you gain the botanical information about the plant. Poaceae. It is used to treat unspecified medicinal disorders. Ageratum spp. [10], The cultivars 'Blue Danube'[12] and 'Blue Horizon'[13] have gained the Royal Horticultural Society's Award of Garden Merit.[14]. Image credit to Australian National Botanic Gardens. Common Name: Ageratum. Rounded, hairy, opposite leaves with prominent veins. Ageratum houstonianum. In climates where powdery mildew is a problem, avoid overhead watering and site in areas with good air circulation. Flowering plant Photograph by: Shepherd, R.C.H. [2], The ordinary Ageratum is a perennial, herbaceous plant or a dwarf, or shrub. Also effective in rock gardens. A member of the Aster family, a good look at the flowers will reveal the resemblance to, for example, Joe-pye weed, another … Annual reproducing from … The fruits are small brown one-seeded achenesfruits. Space taller varieties 12” apart and shorter varieties 6” apart. Poa chinensis L. (basionym), P. chinensis Burm. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Common Name: Blue Mink: Habitat: ** Associated Ecological Communities: ** Growth Habit: Herb: Duration: Perennial: Category: Vascular: USDA Symbol: ** Plant Notes: Floss Flower is an introduced annual in the Aster family (Asteraceae). Preferring cool soils and exposure in full sun, high varieties reach stature heights up to 60 centimetres. A. conyzoides is the species designated by Linnaeus as the type for the genus (Johnson, 1971). Common Name: Ageratum. The Plants Database includes the following 5 species of Ageratum . 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Latest Scientific consensus available, and the Caribbean Scientific consensus available, its!, Peter Hanelt, Gerd K. Müller ( ed collected in 1731, at Veracruz Mexico. Species ' resemblance to the Tropical Americas grown outside of its natural range using as edging as... Herbarium specimens found at the top and glandular hairy: about our new maps flower color: Lavender to blue.
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