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The perianth of each tiny pink flower consists of four or five lobes, fused near the base. There are six stamens, two partially fused carpels and two styles. The fruit is a rounded, flattened nut. This plant flowers from July to September in northern temperate regions. [4] [5] pale persicaria (Persicaria lapathifolia)
Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds [2]: 436 or smartweeds. [3] It has a cosmopolitan distribution, with species occurring nearly worldwide. [3] [4] The genus was segregated from Polygonum. [5]
The stem nodes are slightly swollen and look somewhat like "knots", thus its common name, knotweed. Flowers, with colors ranging from white to green, are inconspicuous, have no petals, and grow all along the stems. The sepals, however, are pinkish with white edges. Seeds are egg-shaped, dark reddish brown in color, and have a smooth shiny surface.
Knotweed is a common name for plants in several genera in the family Polygonaceae. Knotweed may refer to: Fallopia; Persicaria; Polygonum; Reynoutria.
Polygonum is a genus of about 130 species of flowering plants in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae). In the Middle English glossary of herbs Alphita (c. 1400–1425), it was known as ars-smerte.
The inflorescences occur in the leaf axils and consist of a group of 1-6 flowers, each on a very short (1 mm) stalk (pedicel). The flowers are green with white or pink margins, ranging in size from 2 to 4.5 mm. Each flower has five overlapping perianth segments, fused into a cup for about a third of their length, with 8 stamens and 3 carpels ...
Over the past few years, people’s feelings about their jobs have changed dramatically. Initially, there was “rage applying,” where employees who were angry about their jobs applied for ...
Polygonum plebeium, the common knotweed, [2] is a species of flowering plant in the knotweed family, found natively throughout much of South Asia including India, in Madagascar, and introduced to the United States and Australia. It occurs in disturbed habitats that frequently are flooded, such as banks, ditches, and rice fields.