| Yellow Flowered Blackjack |
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| File size | 293131 |
| Original date | 9/10/07 8:11 AM |
| Resolution | 2048 x 1536 |
| Flash | Flash did not fire |
| Focal length | 6.3mm |
| Exposure time | 1/160s |
| Aperture | 3.8 |
| Focus Distance | |
| Metering Mode | Spot |
| Camera make | SONY |
| Camera model | DSC-P52 |
| Sensor type |
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Photo: |
Botanical name: Bidens biternata Family: Asteraceae (Sunflower family)
Synonyms: Coreopsis biternata
Synonyms: Coreopsis biternata
Yellow Flowered Blackjack is an erect annual herb, up to 1 m. Closely related to B.
pilosa, but can be distinguished by the leaves, which are usually 5-7
foliolate, with the lowermost pair redivided into two to three segments. The
outer involucral bracts resemble those of B. bipinnata. The achenes are up to
16 mm long, almost glabrous. The flowers are yellow, including the
ray-florets. Yellow Flowered Blackjack is a widespread weed of disturbed
and cultivated areas. It is also found in the Himalayas, up to an altitude of
1100-2000 m. Flowering: September-November.
Medicinal uses:
Used to treat eye and ear affections (leaf juice); applied to skin affections in general, as a haemostatic on wounds, and wrapped around the umbilical cord of babies (rubbed leaves).
Medicinal uses:
Used to treat eye and ear affections (leaf juice); applied to skin affections in general, as a haemostatic on wounds, and wrapped around the umbilical cord of babies (rubbed leaves).| Identification credit: Prashant Awale | Photographed at Satara, Maharashtra & Rajouri, Jammu & Kashmir. |
• Is this flower misidentified? If yes,