Uncommon, on roadsides and waste ground.
Flowerheads c 2-3 mm diameter. Stems c 60-120 cm. Leaves c 5-8 cm long.
Flower-spikes appear late in season, see bottom pics. First 3 pics are pre-flowering.
ID: Leaves dark green above, whitish beneath, deeply divided into jagged segments. Florets brownish-red. Flowerheads densely clustered in long narrow leafy panicle.
Other features: Outer florets female, narrow. Inner florets hermaphrodite, widened at top. All florets are tubular.
According to wiki:
In Traditional Chinese medicine there is a belief that moxibustion of mugwort is effective at increasing the cephalic positioning of fetuses who were in a breech position before the intervention. A Cochrane review in 2012 found that moxibustion may be beneficial in reducing the need for ECV, but stressed a need for well-designed randomised controlled trials to evaluate this usage. Since it also causes uterine contractions, it has been used to cause abortion. A study of 260 Chinese women at 33 weeks of pregnancy demonstrated cephalic version within two weeks in 75% of fetuses carried by patients who were treated with moxibustion, as opposed to 48% in the control group.It has also been shown that acupuncture plus moxibustion slows fetal heart rates while increasing fetal movement. Two recent studies of Italian patients produced conflicting results. In the first, involving 226 patients, there was cephalic presentation at delivery in 54% of women treated between 33 and 35 weeks with acupuncture and moxibustion, vs. 37% in the control group. The second was terminated prematurely because of poor compliance with treatment, but found no difference between moxibustion and control groups.
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