Ageratum Conyzoides Flowers Of India
/ageratum_conyzoides_and_ageratum_houstonianum1.jpg)
It is one of about 30 species of the genus Ageratum all of which.
Ageratum Conyzoides Flowers Of India. Stems are covered with fine white hairs leaves are opposite pubescent with long petioles and glandular trichomes Ming 1999. It is an erect softly hairy annual plant which grows up to a height of 25 feet. Kaul and Neelangini 1989.
Corolla 25 mm long tubular white glabrous 5-lobed at apex. Formosensis Monochoria vaginalis var. Tropical whiteweed flowers year-round when growing conditions are favorable.
Is an annual herb with a long history in its benefits as a traditional medicine in many countries in the world. Batish et al 2009a b. It can gain height up to 2 m in the Shivalik hills Dogra 2008 in Dogra et al.
Ageratum conyzoides now is found in several countries in tropical and sub-tropical regions including Brazil. These closely related pantropica weed species can be differentiated as follows. Ramanujam and Kalpana 1992.
Conyzoides an invasive alien weed in India. Morphology Reproductive morphology Flowers Florets Florets 4057 corolla tubular to sub-urceolate 222 mm long tube white limb externally glabrous to sub-glabrous lobes acute blue white mauve or purple. In this study Antioxidant activity was performed by DPPH 1 1diphenyl-2-picryl hydrazyl radical scavenging method for different extracts of aerial parts like leaves and flowers of Ageratum.
Sparganophorus obtusifolius L ag. 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. It has become widely naturalized beyond its native range and readily spreads due to prolific reproduction and multiple dispersal mechanisms.
Stems are covered with fine white hairs leaves are opposite pubescent with long petioles and include glandular trichomes. High with ovate leaves 26 cm long and flowers are white to mauve. Leaves 5-7 x 3-5 cm ovate apex acute crenate base rounded.
Ageratum conycoides L Ageratum obtusifolium Lam Cacalia mentrasto Vell is native to Tropical America especially Brazil. Genus is represented in India by two species- A. Ageratum conyzoides Ageratum conyzoides family Asteraceae is one such rapidly colonizing invasive alien species that has become a troublesome weed over a wide range of ecosystems in tropical and subtropical countries Batish 2008.
Stamens 5 anthers linear. Style-arms blue white mauve or purple exserted for 0812 mm papillate. This weed has been known since the past time for its medicinal effect in various diseases such as common wound and the burned one antimicrobe arthrosis headache and dyspnea.
Ageratum conyzoides has been reported as a natural herbicide for weed control in paddy fields Xuan et al 2004. Two morphovariants were observed in both the species. Plantaginea and Aeschynomene indica.
It is readily spread by wind water and animals and as a hitchhiker on cars equipment and commodities. Flowers all similar bisexual. Ageratum conyzoides is an erect herbaceous annual 30 to 80 cm tall.
It is an herb that is 051 m. Ageratum conyzoides is an erect herbaceous annual 30 to 80 cm tall. Petiole 1-3 cm long.
Conyzoides are light blue white or violet carried on 50-150 mm long peduncles and are 5 mm across 4-6 mm long with 60-75 tubular flowers. Heads white to 7 mm across in terminal corymbose panicle. Numerous pale blue or whitish flower-heads are 6 mm across often forming dense domed to flat-topped clusters in leaf axils or end of branches.
Other common names of the plant are Ageratum Appa Grass Bastard Agrimony Billygoat-Weed Blue Top Chick Weed Cocks Sticks Plant Conyzoid Floss Flower Floss Flower Goatweed Mother Brinkly Tropic Ageratum and Winter Weed. Bracts 1-3-seriate 3-4 mm long elliptic toothed at apex 3-ribbed. Ageratum conyzoidesis an annual herb that has demonstrated a strong ability to establish and spread.
The fruits are small brown one-seeded achenes. Flowers are blue purple pinkish or white colored less than 6 mm across and are produced in close terminal flower heads Figure 3. Individual plants can produce 40000 seeds and in some areas one-half of the seeds will germinate shortly after.
Ageratum belongs to tribe Eupatoriae of family Asteraceae. Asteraceae is an invasive aromatic herb with immense therapeutic importance. The plants were found to differ on the basis of leaf shape and flower colour.
The flower head is surrounded by two or three rows of oblong bracts which are green with pale or reddish-violet tops. The herb is distributed in tropical and subtropical regions. The inflorescence contain 30 to 50 pink flowers arranged as a corymb and are self-incompatible Jhansi and Ramanujam 1987.
Individual flower heads of A. Flowers most of the year. In the present study floristic forays revealed the prevalence of two species of the genus in North India namely A.
Ageratum conyzoides Billygoat-weed Chick weed Goatweed Whiteweed.
