| Four-Stamen Sibbaldia |
|
 |
|
| File size | 233558 |
| Original date | 7/1/12 11:09 AM |
| Resolution | 1200 x 900 |
| Flash | Flash did not fire, auto |
| Focal length | 4.1mm |
| Exposure time | 1/200s |
| Aperture | 4.0 |
| Focus Distance | |
| Metering Mode | Multi-segment |
| Camera make | Panasonic |
| Camera model | DMC-TZ10 |
| Sensor type | OneChipColorArea |
 |
 ative |
 |
 |
Photo: |
Botanical name: Sibbaldia tetrandra Family: Rosaceae (Rose family)
Synonyms: Potentilla tetrandra, Dryadanthe tetrandra, Dryadanthe bungeana
Synonyms: Potentilla tetrandra, Dryadanthe tetrandra, Dryadanthe bungeana
Four-Stamen Sibbaldia is is perennial, low, tufted
herb. Pale yellow flowers usually arise singly, usually unisexual, 4-8
mm across. Sepals are 4, triangular-ovate, tip rounded or pointed.
False-sepals are lanceolate or ovate, minute, nearly equaling sepals,
tip pointed to long-pointed. Petals are 4, pale yellow, obovate-oblong,
nearly equaling or slightly longer than sepals. Stamens 4, inserted
away from broad, 4-fid disk. Style lateral. Rhizome are robust, round.
Flowering stems are 2-5 cm tall. Basal leaves are 0.5-15 cm including
the stalk. Stipules are brown, dilated, membranous, hairy below.
Leaf-stalk is white hairy. Leaves are 3-foliolate, leaflets green on
both surfaces, obovate-oblong, 5-8 x 3-4 mm, both surfaces white hairy,
base wedge-shaped, tip is broad, 3-toothed. Achenes are hairless.
Four-Stamen Sibbaldia is found in forests, meadows on mountain slopes,
rock crevices, in China, Mongolia, Nepal, Pakistan, Russia (W Siberia).
In India it is found in Ladakh and Sikkim at altitudes of 3000--5400 m.
Flowering: May-August.
Identification credit: Gurcharan Singh
| Photographed enroute to Pangong Lake, Ladakh. |