Ageratum conyzoides var hirtum (Lam.) DC. 1836
IUCN
NCBI
EOL Text
Pantropical, widespread weed.
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=110&taxon_id=200023021 |
Annual.
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| Rights holder/Author | Bibliotheca Alexandrina, BA Cultnat, Bibliotheca Alexandrina - EOL Ar |
| Source | http://lifedesk.bibalex.org/ba/pages/1731 |
"
Flower
In terminal corymbs, white tending to blue with increase in altitude. Flowering from December-May.
Fruit
An achene, slightly curved, narrowed below. Fruiting throughout the year.
Leaf arrangement
Opposite
Leaf Bases
Truncate
Leaf Shapes
Obovate
Leaf Types
Simple
Habit
A soft hairy annual herb.
"
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| Rights holder/Author | Keystone Foundation, India Biodiversity Portal |
| Source | http://indiabiodiversity.org/species/show/32900 |
Leaf contains a volatile oil rich in phenolic esters of coumarin.
Annuals, perennials, or sub-shrubs, 20–150 cm (fibrous-rooted). Stems erect, sparsely to densely villous. Leaf blades ovate to elliptic-oblong, 2–8 × 1–5 cm, margins toothed, abaxial faces sparsely pilose and gland-dotted. Peduncles minutely puberulent and sparsely to densely pilose, eglandular. Involucres 3–3.5 × 4–5 mm. Phyllaries oblong-lanceolate (0.8–1.2 mm wide), glabrous or sparsely pilose (margins often ciliate), eglandular, tips abruptly tapering, subulate, 0.5–1 mm. Corollas usually blue to lavender, sometimes white. Cypselae sparsely strigoso-hispidulous; pappi usually of scales 0.5–1.5(–3) mm, sometimes with tapering setae, rarely 0. 2n = 20, 40.
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200023021 |
The following is a representative barcode sequence, the centroid of all available sequences for this species.
Annual herb, 10-60 cm. Leaves: base usually blunt or rounded, rarely cordate. Florets blue or white. Phyllaries 3-4 mm, oblong, abruptly acuminate, sparingly if at all hairy on the back, erose and ciliate. Style arms exserted 1 mm from corolla tube.
200-2000 m
| License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=110&taxon_id=200023021 |
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 9
Species With Barcodes: 1
conyzoides: resembling the genus Conyza