Asthma Weed is a slender-stemmed, annual hairy plant with many branches,
growing up to 40 cms tall, reddish or purplish in color. Leaves are opposite,
elliptic-oblong to oblong-lancelike, 1-2.5 cm long, blotched with purple in
the middle, toothed at the edge. Flowers, purplish to greenish in color,
dense, axillary, short-stalked clusters or crowded cymes, about 1 mm in
length. Capsules are broadly ovoid, hairy, three-angled, about 1.5 cm.
Asthma Weed is native to the American continents, but widely naturalized
in the Tropical world, including the Himalayas.
Medicinal uses: Asthma weed has traditionally been used in Asia
to treat bronchitic asthma and laryngeal spasm, though in modern herbalism
it is more used in the treatment of intestinal amoebic dysentery. It should
not be used without expert guidance, however, since large doses cause
gastro-intestinal irritation, nausea and vomiting.
Identification credit: Tabish
Photographed in Delhi.
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The flower labeled Asthma Weed is ...