Tuesday, October 18, 2016

Tridax procumbens

Tridax procumbens, commonly known as coatbuttons or tridax daisy, is a species of flowering plant in the daisy family. It is best known as a widespread weed and pest plant. It is native to the tropical Americas but it has been introduced to tropical, subtropical, and mild temperate regions worldwide. It is listed as a noxious weed in the United States and has pest status in nine states.


The plant bears daisylike yellow-centered white or yellow flowers with three-toothed ray florets. The leaves are toothed and generally arrowhead-shaped. Its fruit is a hard achene covered with stiff hairs and having a feathery, plumelike white pappus at one end. Calyx is represented by scales or reduced to pappus. The plant is invasive in part because it produces so many of these achenes, up to 1500 per plant, and each achene can catch the wind in its pappus and be carried some distance. This weed can be found in fields, meadows, croplands, disturbed areas, lawns, and roadsides in areas with tropical or semi-tropical climates.

2 comments:

  1. A medicinal plant. One of the uses is that if you get any blood oozing fresh wound by falling off your bicycle, take a few fresh leaves, clean by wiping but no water or any moisture, crush and pour a few drops of leaf juice on the wound and keep steady till the juice a sort of dries. Or put the crushed leaves as a paste over the wound. May be another two more days and that is all.

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    1. Unfortunately I usually see this plant growing on polluted dirty roadies with lots of dust on the leaves so it's hard to find clean ones

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