| Mum-Leaf Buttonhead |
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| File size | 632694 |
| Original date | 5/11/18 2:17 PM |
| Resolution | 4128 x 2322 |
| Flash | Flash did not fire |
| Focal length | 3.7mm |
| Exposure time | 1/111s |
| Aperture | 1.9 |
| Focus Distance | |
| Metering Mode | Spot |
| Camera make | samsung |
| Camera model | SM-J700H |
| Sensor type |
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Photo: |
Botanical name: Dichrocephala chrysanthemifolia Family: Asteraceae (Sunflower family)
Synonyms: Cotula chrysanthemifolia, Dichrocephala macrocephala, Dichrocephala oblonga
Synonyms: Cotula chrysanthemifolia, Dichrocephala macrocephala, Dichrocephala oblonga
Mum-Leaf Buttonhead is an erect herb with branchlets
radiating, bristly. Leaves are alternate, lyrate-pinnately cut, papery,
5 x 1.5 cm, margin deeply incised, base eared and stem-clasping.
Flower-heads are borne in panicles at branch-ends, sparingly or
copiously branched, lax. Flower-heads are spherical, 5 mm wide,
heterogamous, disc-like, cream. Involucre is broadly bell-shaped,
1-2-seriate. Phyllaries about 10, lanceshaped. Outer florets
pistillate, sub-radiate; inner florets bisexual. Pappus 0 in
pistillate, and of 2 or 3 slender hairs in bisexual ones. Flowers
(outer) are curved, 6 mm wide, subradiate; (inner) tubular,
bell-shaped, 1 mm wide, 4-lobed. Stamens 5, included; anther base flat.
Mum-Leaf Buttonhead is found in Tropical & Subtropical Old World. It is
found in the Himalaya, up to altitudes of 2900 m.
| Identification credit: Saroj Kasaju | Photographed in Lava, Kalimpong, West Bengal. |
• Is this flower misidentified? If yes,