Family: Euphorbiaceae (Castor family)
Species: E. hirta
Botanical name: Euphorbia hirta Linn
Sanskrit: Dugdhika, Kshirini, Ksheeravi, Svaduparni
English: Asthma weed, Cats hair, Pill – bearing spurge
Hindi: Lal dudhi
Malayalam: Chittirappala
Euphorbia hirta stems clothed in hairs. Stems produce a milky exudate when cut or broken. Leaf blades about 25-50 x 11-26 mm, petioles about 2-4 mm long. Both the upper and lower surfaces of the leaf blade and the petioles clothed in hairs. Lateral veins 2-4 on each side of the midrib. Stipules linear, about 1.5-2 mm long, hairy.
Flowers in clusters which are arranged in heads. Clusters consist of one female flower together with 1-7 male flowers. Each cluster surrounded by aninvolucre of 4 glands. Male flowers: Male flowers consist of a single anther and bract which is fimbriate at the apex. Female flowers: Ovary green, about 1.1 mm diam., clothed in hairs. Styles 3 or absent. Stigmas 6.
Fruits 3-lobed, about 1 x 1.1-1.2 mm, clothed in hairs.Seeds about 0.7-0.8 mm diameter. Embryo about 0.5-0.6 mm long, the cotyledons much wider than the radicle. Altitudinal range from near sea level to 900 m. Grows in margins of rainforest, Eucalypt forest, notophyll vine forest, various types of woodland and in wooded grassland. From the tropical and subtropical regions in both hemispheres.
The whole plant of theAsthma weed is used as fever, cough, digestive problems, breathing disorders including asthma, bronchitis, and chest congestion.
Asthma Weed
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