| Dense-Flowered Rotala |
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| File size | 291382 |
| Original date | 11/13/13 2:19 PM |
| Resolution | 0 x 0 |
| Flash | Flash did not fire, auto |
| Focal length | 105.0mm |
| Exposure time | 1/320s |
| Aperture | 9.0 |
| Focus Distance | |
| Metering Mode | Multi-segment |
| Camera make | NIKON CORPORATION |
| Camera model | NIKON D90 |
| Sensor type | OneChipColorArea |
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Botanical name: Rotala densiflora Family: Lythraceae (Crape Myrtle family)
Synonyms: Sellowia uliginosa, Rotala densiflora subsp. uliginosa
Synonyms: Sellowia uliginosa, Rotala densiflora subsp. uliginosa
Dense-Flowered Rotala is an annual herb, erect,
12-22 cm tall, hairless. Leaves are ovate-lanceshaped or
linear-lanceshaped, rounded at the base, 2-16 mm long, 1-3 mm broad.
Flowers are borne solitary in leaf axils on main stem or in spikes in
leaf axils. Flowers are 3 mm long, 5-merous. Bracteoles are subulate,
equalling the flower. Hypanthium is bell-shaped, membranous in fruit.
Epicalyx is threadlike. Petals are ovate-oblong, oblong, obovate or
elliptic, pointed, blunt or retuse. Ovary is 3-angled. Style is 0.5 mm
long. Capsule are 2-3 mm long, 1.5-2 mm broad, 3-4-valved. Seeds
plano-convex or obovate. Dense-Flowered Rotala is found in Tropical
Africa, Afghanistan, Himalayas, India, east to China, Malaysia,
Australia, at altitudes of 1800-2700 m. Flowering: August-September.
| Identification credit: Tabish | Photographed in Tehri Garhwal, Uttarakhand. |