| Winged-Stem Laggera |
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| File size | 401105 |
| Original date | 9/22/08 6:39 PM |
| Resolution | 2048 x 1536 |
| Flash | Flash fired |
| Focal length | 10.1mm |
| Exposure time | 1/120s |
| Aperture | 4.0 |
| Focus Distance | |
| Metering Mode | Multi-segment |
| Camera make | NIKON |
| Camera model | COOLPIX S6 |
| Sensor type |
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 ative |
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Photo: |
Botanical name: Laggera alata Family: Asteraceae (Sunflower family)
Synonyms: Blumea alata, Conyza nutans, Vernonia alata
Synonyms: Blumea alata, Conyza nutans, Vernonia alata
Winged-Stem Laggera is a robust much branched
glandular-hairy herb, up to 2 ft tall. Stem is winged, wings
herbaceous, entire, rarely somewhat toothed, continuous. Leaves are
oblong, 2-8 x 0.7-1.5 cm, with decurrent bases and toothed margins,
pointed to blunt, densely covered with longer hairs. Flower-heads are
1-1.3 cm across, arranged in leafy racemes, on short winged branches in
leaf axils. Phyllaries are 4-5-seriate, outer lanceolate about 9 x 1
mm, inner longer, up to 10 mm long, green at the tip, glandular
pubescent on the outer side. Female florets are about 6 mm long,
minutely toothed. Bisexual florets are 7-8 mm long, 5-lobed. Cypselas
are dark brown, about 1 mm long. Pappus is white, 6-7 mm long.
Winged-Stem Laggera is found in the Himalayas, other parts of India,
Africa, Thailand, Indo-China, China, Java and Philippines, at altitudes
of 800-2500 m. Flowering: March-October.
Identification credit: Krishan Lal
| Photographed in Sirmaur Distt, Himachal Pradesh |