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Tearthumb
Tearthumb is a common name for a group of annual vining plants within the genus '' Persicaria'', notable for the small, sharp spines covering the stems, which "tear the thumb", leading to the common name. The spines are used for climbing, and can puncture the leaves of plants being used as supports. Species called tearthumb include: *'' Persicaria arifolia'' (halberd-leaf tearthumb) – North America *''Persicaria perfoliata'' (mile-a-minute) – Asia, introduced in North America *''Persicaria sagittata ''Persicaria sagittata'', common names American tearthumb, arrowleaf tearthumb, or arrowvine, is a plant species widespread in the eastern half of North America as well as in eastern Asia. It has been found in every state and province from Texas ...'' (arrowleaf tearthumb) – North America Persicaria {{Plant common name ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persicaria
''Persicaria'' is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds or smartweeds.''Persicaria''. Flora of North America. It has a , with species occurring nearly worldwide.''Persicaria''. New South Wales Flora Online. National Herbarium, Royal Botanic Garden, Sydney. The genus was segregated from '' |
Persicaria Perfoliata
''Persicaria perfoliata'' (basionym ''Polygonum perfoliatum'') is a species of flowering plant in the buckwheat family. Common names include mile-a-minute, devil's tail, giant climbing tearthumb, and Asiatic tearthumb. It is a trailing herbaceous annual vine with barbed stems and triangular leaves. It is native to most of temperate and tropical eastern Asia, occurring from eastern Russia and Japan in the north, and the range extending to the Philippines and India in the south. ''P. perfoliata'' is an aggressive, highly invasive weed. In Europe, ''Persicaria perfoliata'' is included since 2016 in the list of Invasive Alien Species of Union concern (the Union list). This implies that this species cannot be imported, cultivated, transported, commercialized, planted, or intentionally released into the environment in the whole of the European Union. Appearance ''Persicaria perfoliata'' has a reddish stem that is armed with downward pointing hooks or barbs which are also present on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persicaria Sagittata
''Persicaria sagittata'', common names American tearthumb, arrowleaf tearthumb, or arrowvine, is a plant species widespread in the eastern half of North America as well as in eastern Asia. It has been found in every state and province from Texas to Manitoba to Newfoundland to Florida, plus Colorado and Oregon. It also grows in China, the Russian Far East, Siberia, Korea, Japan, northern India and Mongolia. It grows in moist areas along lake shores, stream banks, etc. ''Persicaria sagittata'' is an annual herb up to 200 cm (80 inches) tall, with prickles along the stem. Leaves are up to 10 cm (4 inches) long, heart-shaped or arrowhead-shaped (unusual for the genus). Flowers are white to pink, borne in spherical to elongated clusters up to 15 mm (0.6 inches) long.Godfrey, R. K. & J. W. Wooten. 1981. Aquatic and Wetland Plants of Southeastern United States Dicotyledons 1–944. University of Georgia Press, Athens. References {{Taxonbar, from=Q15549060 Persicari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persicaria Arifolia
''Persicaria arifolia'' is a flowering plant species in the family Polygonaceae The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus ''Polygonum'', and was first used by Antoine Laurent de Jussieu in 1789 .... Commonly called Halberd-leaf tearthumb, ''Persicaria arifolia'' is found in high concentrations in the midwest and northeast United states predominantly. It grows in damp areas usually close to bodies of water such as; ponds, rivers, and marshes. Description ''Persicaria arifolia'' was originally described by Charles Linneas in 1753. The plant is annual and it flowers between the summer and the fall. Once flowers bloom, they have a pink and white appearance. At maturity, ''Persicaria arifolia'' grows to be 2-4 feet tall. The common name of Halberd-leaf tearthumb is because of the small thorns on the stem of the plant that can cut into the skin. Di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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