| Winged-Stem Swertia |
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| File size | 330439 |
| Original date | 10/6/13 1:43 PM |
| Resolution | 2048 x 1536 |
| Flash | Flash did not fire, auto |
| Focal length | 6.6mm |
| Exposure time | 1/400s |
| Aperture | 3.0 |
| Focus Distance | |
| Metering Mode | Center weighted average |
| Camera make | Canon |
| Camera model | Canon PowerShot A495 |
| Sensor type | OneChipColorArea |
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Photo: |
Botanical name: Swertia alata Family: Gentianaceae (Gentian family)
Synonyms: Ophelia alata
Synonyms: Ophelia alata
Winged-Stem Swertia is an annual herb, 15-20 cm
tall, with sometimes branched stem which is quadrangular and winged.
Leaves are 2-5 x 1.5-2 cm, ovate-heartshaped, 3-7-nerved. Flowers are
borne in panicles. Flowers are 4-merous. But for its 4-petalled
flowers, it looks quite similar to
Heart-Leaf Swertia. Sepals are
4-6 x 1-1.5 mm, narrowly ovate, pointed, free. Flowers are lurid green
or yellowish green with purple veine or dots, tube 0.5-1 mm, lobes 5-7
x 1.5-2.5 mm, ovate to elliptic-oblong, acute. Glands are watch-pocket
shaped with short, compound fimbriae, one lobe. Filaments 4-6 mm,
anther oblong to ovate-oblong, obtuse. Seeds are polyhedral, more or
less rounded, warted. Winged-Stem Swertia is found in the Himalayas,
from Kashmir to Nepal, at altitudes of 2000-3600 m. Flowering:
August-November.
| Identification credit: Gurcharan Singh | Photographed in Sirmaur Distt, Himachal Pradesh. |
• Is this flower misidentified? If yes,