Kids Encyclopedia

Wisteria

Wisteria — Wisteria is a genus of about ten species of woody climbing vines native to the eastern United States and the East Asian states of China, Korea, and Japan. Aquarists refer to the species Hygrophila difformis, in the genus Hygrophila, as Water Wisteria. Wisteria vines climb by twining their stems either clockwise or counter-clockwise round any available support. They …

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Wintergreen

Wintergreen — Wintergreen is a group of plants. Wintergreen once commonly referred to plants that continue photosynthesis (remain green) throughout the winter. The term evergreen is now more commonly used for this characteristic. Some species of the shrub genus Gaultheria in the closely related family Ericaceae also demonstrate this characteristic and are called wintergreens in North America, the most common …

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Water Lily

Water Lily — Water lily is the common name for more than 40 species of aquatic plants of the water lily family, Nymphaeceae. Some species are known as LOTUSES. Found throughout temperate and tropical regions, water lilies are characterized by large, nearly circular, leathery floating leaves and by white, yellow, pink, red, scarlet, blue, or purple flowers that float or …

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Water Hyacinth

Water Hyacinth — The seven species of water hyacinths comprise the genus Eichhornia of free-floating perennial aquatic plants native to tropical South America. With broad, thick and glossy ovate leaves, water hyacinths may rise some 1 metre in height. The leaves are 10-20 cm across, supported above the water surface by long, spongy and bulbous stalks. The feathery, freely hanging …

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Violet

Violet — Viola, commonly called Violets, is a genus of flowering plants in the family Violaceae, with around 400-500 species distributed around the world. Most species are found in the temperate Northern Hemisphere, however viola species are also found in widely divergent areas such as Hawaii, Australasia, and the Andes in South America. Most viola species are small perennial plants, …

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Viburnum

Viburnum — Viburnum (Viburnum) is a genus of about 150-175 species of shrubs or (in a few species) small trees that were previously included in the family Caprifoliaceae. Genetic tests by the Angiosperm Phylogeny Group showed however that they are correctly classified in the family Adoxaceae. They are native throughout the temperate Northern Hemisphere, with a few species extending into …

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Vanilla

Vanilla — Vanilla is a genus of about 110 species in the orchid family (Orchidaceae), including the species Vanilla planifolia from which commercial vanilla flavoring is derived. The name came from the Spanish word “vainilla”, diminutive form of “vaina” (meaning “sheath”), which is in turn derived from Latin “vagina”. This evergreen genus occurs worldwide in tropical and subtropical regions, from …

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Primrose

Primrose — Primroses (primula vulgaris) is a species of Primula native to western and southern Europe (from the Faroe Islands and Norway south to Portugal, and east to Germany, Ukraine, the Crimea, and the Balkans), northwest Africa (Algeria), and southwest Asia (Turkey east to Iran). The common name is Primrose, or occasionally Common Primrose or English Primrose to distinguish it …

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Purslane

Purslane — Portulaca oleracea (Common Purslane, also known as Verdolaga, Pigweed, Little Hogweed or Pusley), is an annual succulent in the family Portulacaceae, which can reach 40 cm in height. It is a native of India and the Middle East, but is naturalised elsewhere and in some regions is considered an invasive weed, but there is evidence that the species …

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Ragweed

Ragweed — Ragweeds (Ambrosia), also called bitterweeds and bloodweeds, are a genus of flowering plants from the sunflower family (Asteraceae). The scientific name of this genus is sometimes claimed to be derived from the Ancient Greek term for the perfumed nourishment of the gods, ambrosia which would be ironic since the genus is best known for one fact: its pollen …

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