| Winged-Stem Rattlepod |
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| File size | 54925 |
| Original date | 8/30/07 10:10 PM |
| Resolution | 760 x 570 |
| Flash | Flash did not fire, auto |
| Focal length | 5.90625mm |
| Exposure time | 1/500s |
| Aperture | 5.6 |
| Focus Distance | 0.0m |
| Metering Mode | Spot |
| Camera make | Canon |
| Camera model | Canon PowerShot A400 |
| Sensor type | OneChipColorArea |
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Photo: |
Botanical name: Crotalaria alata Family: Fabaceae (Pea family)
Synonyms: Crotalaria bialata
Synonyms: Crotalaria bialata
Winged-Stem Rattlepod is a herb or shrublet, erect, 5-100 cm tall.
Branches are zigzag, silky hairy. Stipules lie flat on the stem as a broad
wing. Leaves are simple, nearly stalkless. Leaf blade is elliptic to
obovate-elliptic, 3-8 × 1-5 cm, base flat to wedge-shaped, tip blunt with
a short point. Flowers racemes arise at the end of branches or
leaf-opposed, 2- or 3-flowered. Bracts are ovate-lanceshaped, about 3 mm.
Flower stalks are 3-5 mm. Bracteoles are inserted at base of sepal tube,
similar to bracts. Sepal cup is 2-lipped, 6-10 mm. Sepals are lanceshaped,
long-pointed. Flowers are yellow - standard petals obovate-circular, 5-8
mm, bearded at the tip. Wings are oblong, shorter than standard. Keel is
ovate, apically with a long twisted beak. Pod is oblong, 3-4 cm, 30-40-
seeded, sparsely velvety or hairless, tip with a slightly curved beak.
Seeds are obliquely heart-shaped, smooth. Flowering: June-August.
Identification credit: R. Vijayasankar
| Photographed in Manipur. |