| Quadrangular Swertia |
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| File size | 213312 |
| Original date | 10/2/14 8:19 AM |
| Resolution | 920 x 690 |
| Flash | Flash did not fire |
| Focal length | 6.3mm |
| Exposure time | 1/250s |
| Aperture | 5.0 |
| Focus Distance | |
| Metering Mode | Spot |
| Camera make | SONY |
| Camera model | DSC-P52 |
| Sensor type |
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Photo: |
Botanical name: Swertia tetragona Family: Gentianaceae (Gentian family)
Quadrangular Swertia is an annual herb with stem
15-50 cm, simple or branched, quadrangular, finely winged or not.
Leaves are 10-25 x 4-8 mm, narrowly ovate to obovate or ovate, pointed
or blunt. Inflorescence paniculate, lax. Flowers pentamerous. Sepals
4-8 x 1-2 mm, narrowly ovate to obovate-oblong or linear, pointed,
free. Flowers are bluish white to greenish white, tube 1-1.5 mm, petals
4-8 x 1.5-2.5 mm, ovate, pointed. Glands are two per lobe, oblong,
fringed. Filaments are 3-4 mm, thread-like, anther ovate, blunt. Ovary
5-6 mm, oblong stigmas nearly round, stalkless. Capsule is 6-10 mm.
Seeds rounded, warted. Quadrangular Swertia is found in the Himalayas,
from Pakistan to Nepal, at altitudes of 2400-3300 m. Flowering:
August-October.
| Identification credit: Krishan Lal | Photographed in Great Himalayan National Park, Himachal Pradesh. |
• Is this flower misidentified? If yes,