Synonyms: Beggar`s Ticks, Trifid Bur-Marigold
Habitat:Bidens tripartite is native to large parts of the Northern hemisphere, including Europe, the Indian subcontinent, North America, temperate east Asia, and slightly into northern Africa. It has naturalized in other areas. Thickets of the weed occur on moist alluvial soils along river shores. Prefers fertile, friable, and sandy ground inclined to flooding. Seeds sprout from a depth of less than 3-4 cm. The minimal temperature for germination is +8-10°C; optimum is +24-30°C.
Bidens tripartite is an annual late spring weed plant 15-100 cm in height. Stalk erect, usually branched, with opposite branches, glabrous or sparsely pubescent. Leaves dark green, opposite, dentate, tripartite, with larger apical lobe, narrowing base in short winged leafstalk. Sometimes leaves are undivided (on small weakened individuals especially). Heads single or multiple at the end of branches, erect, as wide as they are long or nearly equal in length (6-15 mm). Perianth has double row. External leaflets of perianth (5 to 8) are green, oblong or elongate-linear, covered with short spicules at the edges, as long as or 2-3 times longer than the diameter of the head. Internal leaflets of envelope are shorter, brown-yellow, oval. Bracts wide-linear, as long as flowers. All flowers are tubular, yellow-brown. Hemicarps bladelike, compressed, 5-8 mm in length, 2-3 mm in width, with marginal setae and two or, less often, 3-4 apical spines. Blossoms in July-September. The maximal fertility is 12 thousand seeds. Seeds undergo a dormant period, germinating after 3 months. Spinules of hemicarps readily attach to human clothes, seed sacks, and animal wool, thus spreading within environment. Seeds sprout non-simultaneously.
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Succeeds in any moderately fertile damp to wet soil in full sun. The flowering heads smell like rosin or cedar when they are burnt. The seed coats have reflexed prickles which allow them to adhere to clothing, animal fur etc. When growing on the edge a pond, these seeds have been known to kill goldfish by adhering to their gills.
Seed – sow in situ during early spring and only just cover the seed. So long as the soil does not dry out, the seed usually germinates in 2 – 3 weeks at 15°c
Edible Uses: …..Young leaves – cooked
Valuable astringent used for hemorrhage wherever it occurs including uterine hemorrhage and conditions producing blood in the urine. It may be used for fevers and water retention when this is due to a problem in the kidneys. Used to relieve disorders of the respiratory system. The astringency helps counteract peptic ulceration, diarrhea, and ulcerative tract ailments. Externally in Russia used for alopecia. Often combined with comfrey, agrimony, calamus or ginger when treating digestive tract ailments.
Yields a black dye. The part of the plant that is used is not specified. The burning herb repels insects and flies. The flowers yield a yellow dye of indifferent quality when alum is used as a mordant.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.
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