Minor smartweed (Persicaria minor)
Description
Persicaria minor is a herb species of the Polygonaceae family, with synonym Polygonum minus, and is also known by the common names small water-pepper, small smartweed, pygmy smartweed, spotted lady's thumb and kesum (Malay). This herb is native to Asia, but distributed widely in Europe and Australia. It is used in South East Asian cooking.Persicaria minor is native to South East Asia, including Malaysia, Thailand, Vietnam and Indonesia. It grows wild in cooler highlands, but is also found in wet lowland areas near rivers, ditches, and canals. It is a creeping plant with slender stems, and grows upright to a height of 1 to 1.5 meters. The creeping stem is green with reddish tinge, is cylindrical in shape, and has short nodes about 9 mm apart. Its leaves are long and narrowly-tapering, alternately arranged, and green with short, reddish petioles. Its flowers are minute, pale violet, and are 12 to 15 cm long.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Polygonaceae
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Genus: Persicaria
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