| Black-Bulb Yam |
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| File size | 555813 |
| Original date | 9/27/19 1:56 PM |
| Resolution | 4608 x 3456 |
| Flash | Flash fired |
| Focal length | 8.0mm |
| Exposure time | 1/4000s |
| Aperture | 11.0 |
| Focus Distance | 0.0m |
| Metering Mode | Multi-segment |
| Camera make | FUJIFILM |
| Camera model | FinePix HS35EXR |
| Sensor type | OneChipColorArea |
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Photo: |
Botanical name: Dioscorea melanophyma Family: Dioscoreaceae (Yam family)
Synonyms: Dioscorea tenii
Synonyms: Dioscorea tenii
Black-Bulb Yam is a perennial climber, with stems
hairless, slender, twining clockwise. Bulblets are present, black at
maturity, 5-7 mm in diameter, smooth. Tubers small, spherical. Leaves
alternate, 3-5-foliolate, hairless; leaf-stalk 1.5-4.5 cm long,
leaflets 3.5-13.5 cm long, 1-2.5 cm broad, narrowly lanceshaped, finely
tapering; leaflet-stalk 0-5 mm long. Male flower racemes are
velvet-hairy, 2.5-5 cm long, in leaf-axils, solitary or sometimes 2.
Fertile stamens are 3, alternating with 3 staminodes. Female spikes are
velvet-hairy solitary, in leaf-axils, about 4 cm long. Capsules are
about 1.5 cm long, 0.5 cm broad, more or less flat at the tip, rounded
at the base. Seeds winged at the top. Black-Bulb Yam is found in the
Himalayas, W. Pakistan to East Himaaya and S.C. China, at altitudes of
1400-2400 m. Flowering: August-September.
| Identification credit: Saroj Kasaju | Photographed in Banjar Valley, Kullu & Sirmaur Distt, Himachal Pradesh. |
• Is this flower misidentified? If yes,