Bidens

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Bidens

 

(beggar-ticks, bur marigold, or sticktight), a genus of annual or perennial herbs of the family Compositae. The opposite leaves vary from entire to pinnatisect. The disk flowers are bisexual; sometimes there are infertile ray flowers. The flowers are in heads generally borne singly on the apices of the stem and the branches. The fruit is an achene, with two to four retrosely barbed bristles on the apex.

There are more than 200 species, which are distributed worldwide but mainly in the Americas. The USSR has eight species. B. tripartita grows along bodies of water marshes, ditches, moist wastelands, gardens, and fields. The plant sometimes forms a dense cover. It contains essential oil; mucilaginous, bitter, and tannic substances; carotene; and vitamin C. In folk medicine the leaves and stem apices are used in baths to heal various diatheses with rashes; the herb is also used in an antiscrofulous mixture.

REFERENCES

Atlas lekarstvennykh rastenii SSSR. Moscow, 1962.
Kotukov, G. N. Kul’tiviruemye i dikorastushchie lekarstvennye rasteniia: Spravochnik. Kiev, 1974. (Translated from Ukrainian.)
References in periodicals archive ?
However, this harmful effect on beggartick germination above 15[degrees]C was only observed in seeds from Sao Joaquim da Barra.
For beggartick seeds, it was observed that such temperature would be between 35 and 40[degrees]C (Table 3).
Evaluating CHL means of brachiaria plants within each density, it was verified that they showed higher values when they were in competition only with bean (Brachiaria + bean) differing from the other arrangements where it was cultivated with beggartick and in the arrangement where the three species were present (Table 1).
1], K contents were lower in bean + brachiaria and bean + beggartick arrangements in relation to treatments where the three species were cultivated simultaneously (Table 2).
The present work was carried out to study the effects of mineral nutrition on peanut (Arachis hypogaea L) 'IAC Runner-886' and hairy beggarticks (Bidens pilosa L.
Hairy beggarticks seeds (achenes) were collected in infested areas in Jaboticabal, in the proximity of the University, and stored until utilized.
September 21: The Beggartick Moon enters its second quarter at
September 28: The Beggartick Moon is full at 8:09 a.
The toothed leaves of beggarticks darken overnight.
The toothed leaves of beggarticks darken under the Robin Migration Moon (new today).
White and violet asters, orange beggarticks, burr marigolds, tall goldenrod, zigzag goldenrod and Japanese knotweed come into bloom, blending with the brightest of the purple ironweed, yellow sundrops, blue chicory, golden touch-me-nots, showy coneflowers and great blue lobelia.
Beggarticks unfold their small golden flowers in the second-last week of late summer, coming into bloom as Judas maples multiply.