| Willowleaf Knotweed |
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| File size | 203221 |
| Original date | 12/17/12 7:10 AM |
| Resolution | 1000 x 750 |
| Flash | Flash fired, red-eye reduction |
| Focal length | 6.0mm |
| Exposure time | 1/200s |
| Aperture | 3.5 |
| Focus Distance | |
| Metering Mode | Multi-segment |
| Camera make | Canon |
| Camera model | Canon PowerShot S5 IS |
| Sensor type | OneChipColorArea |
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Photo: |
Botanical name: Persicaria salicifolia subsp. salicifolia Family: Polygonaceae (Knotweed family)
Synonyms: Persicaria serrulata, Polygonum salicifolium
Synonyms: Persicaria serrulata, Polygonum salicifolium
Willowleaf Knotweed is a perennial herb
characterized by weak stem, narrow leaves and slender flower-spikes.
The plant is 1-4 ft tall. Leaves are lanceolate-linear, not glandular.
Ocrea are up to 3.5 cm, with 6-12 long eyelashes. Stems lower nodes
radicants. Flowers are white or rosy pink, borne in slender spikes.
Fruit is a shiny black achene. Willowleaf Knotweed is native to S.
Africa, probably naturalized in India.
| Identification credit: Prashant Awale | Photographed in Karnataka. |
• Is this flower misidentified? If yes,