grass wiki:
>This article is about plants; for other uses of the term, see Grass (disambiguation) Grass generally describes a monocotyledonous green plant characterized by slender leaves, called blades, which usually grow arching upwards from the ground. Plants that are botanically regarded as "true" grasses fall into the flowering plant family, Poaceae. However, there are other plants outside this plant family that have similar appearance, and are commonly referred to as grasses, or have "grass" as part of their name. These include:China grass, more commonly known as Ramie (Boehmeria nivea), a nettle grown for bast fibres, in the Family UrticaceaeDitch grass or Wigeon grass (Ruppia maritima) in the Family RuppiaceaeFish grass (Cabomba caroliniana), a freshwater aquaticGoosegrass (Galium aparine)Mondo grass or Lily turf (Ophiopogon japonicus), an Asian ornamental ground coverNutgrass, a common lawn pest (Cyperus rotundus) in the Family CyperaceaePepper grasses (Lipidium spp.) in the family BrassicaceaeSawgrass, abundant in sub-tropical marshlands (Cladium spp.) in the Family CyperaceaeScurvy-grass (Cochlearia species) in the Family BrassicaceaeScurvy-grass Sorrel (Oxalis enneaphylla) in the Family OxalidaceaeSeagrasses, including Eel grass (Zostera spp.)"Sleeping grass" (Mimosa pudica) a legume (Family Fabaceae) and lawn weedXyridaceae, known as the yellow-eyed grass family
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Africa wiki:
[h">the world's second-largest continent and second most populous after Asia. At about 30,244,050 km² (11,677,240 mi²) including its adjacent islands, it covers 20.3 percent of the total land area on Earth. With over 800 million human inhabitants in 54 countries, it accounts for about one seventh of the world human population.
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