| Indian Oxygen-Weed |
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| File size | 371402 |
| Original date | 12/23/14 11:07 PM |
| Resolution | 1400 x 1050 |
| Flash | Flash did not fire, auto |
| Focal length | 122.0mm |
| Exposure time | 1/1000s |
| Aperture | 5.6 |
| Focus Distance | |
| Metering Mode | Spot |
| Camera make | NIKON CORPORATION |
| Camera model | NIKON D7100 |
| Sensor type | OneChipColorArea |
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Photo: |
Botanical name: Nechamandra alternifolia Family: Hydrocharitaceae (Tape Grass family)
Synonyms: Lagarosiphon alternifolia, Nechamandra roxburghii
Synonyms: Lagarosiphon alternifolia, Nechamandra roxburghii
Indian Oxygen-Weed is a submerged water plant, but
rooted in soil. Leaves 2-7 cm × 1-1.5 mm, midvein slightly distinct,
tip pointed. Male inflorescence with 60-100 flowers;
flower-cluster-stalk translucent; spathe translucent, about 5 × 4 mm;
male flowers with slender flower-stalk about 0.6 mm; sepals
transparent; filaments about 0.3 mm. Female spathe tubular, about 5 mm,
stalkless; sepals 0.5-1 × 0.4-0.7 mm; ovary 5-10 mm, flattened, margin
minutely toothed on each side; styles retuse at tip, densely papillate.
Indian Oxygen-Weed is found in ponds, lakes, slow-moving rivers and
channels in Bangladesh, India, Myanmar, Nepal, Sri Lanka, Vietnam.
Flowering: September-October.
| Identification credit: Sushant More | Photographed in Gautami, Nashik, Maharashtra. |
• Is this flower misidentified? If yes,