| Bishop's Weed |
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| File size | 512505 |
| Original date | 4/5/11 3:23 PM |
| Resolution | 2048 x 1536 |
| Flash | Flash fired, return detected |
| Focal length | 5.35mm |
| Exposure time | 1/250s |
| Aperture | 7.1 |
| Focus Distance | |
| Metering Mode | Multi-segment |
| Camera make | SONY |
| Camera model | DSC-W220 |
| Sensor type |
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Photo: |
Botanical name: Ammi majus Family: Apiaceae (Carrot family)
Synonyms: Apium ammi
Synonyms: Apium ammi
Bishop's Weed is an annual herb with finely divided, lacy leaves. Leaf
stalk is 1-5 cm. Leaves are 6-20 cm, oblong, segments 1-1.5 cm, lanceolate
to round. Stem leaves are 2-pinnately dissected. Flowers are borne in
typically carrot-like inflorescence. Stalk carrying the clusters is 8-14
cm. Rays are 20-60, 2-7 cm, very slender, rough. Flower stalks are many,
1-10 mm, spreading-ascending to incurved in fruit. Flowers are white, with
minute sepals. Petals are 5, wide, white, tips 2-lobed, ovate or spoon-
shaped. Stamens are 5; pistil 1, ovary inferior, 2-chambered, generally
with aconic, persistent projection or platform on top subtending 2 free
styles. Fruit consists of 2 dry, 1-seeded halves that separate from each
other but generally remain attached for some time to a central axis, 1.5-2
mm, oblong, subcylindric, compressed side-to-side. Ribs are equal,
thread-like.
Identification credit: Amit Kumar
| Photographed in Forest Research Institute, Dehradun. |