Ranuculaceae “Buttercup Family ”
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Transcript of Ranuculaceae “Buttercup Family ”
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Ranuculaceae
“Buttercup Family”
By: Levi Eggermont
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General info• The Ranunculaceae are herbs or rarely shrubs or vines comprising 25-81
genera and 2,000-2,500 species. The leaves are typically alternate, compound, and estipulate.
• The flowers are actinomorphic or less commonly zygomorphic and are usually bisexual. The perianth is usually in two, often 5-merous cycles that may or may not be differentiated into calyx and corolla. The petals are usually nectariferous near the base, and in Ranunculus there is a flap of tissue in this position.
• Typical flowers have many helically disposed stamens and simple pistils on an elongated receptacle. All of the floral parts are distinct. Each pistil has a superior ovary with one locule and 1-several parietal ovules. A single flower commonly produces a cluster of achenes or follicles.
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Diagram of a Ranuculaceae flower
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Distribution of Ranuculaceae
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Genus Actea
• Actea rubra
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Genus Anemone
• Anemone quinquefolia
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Genus Aquilegia
• Aquilegia canadensis
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Genus Caltha
• Caltha palustris
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Genus Hepatica
• Hepatica acuta
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Genus Ranuculus
• Ranuculus abortivus
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Genus Thalictrum
• Thalictrum diocum
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Sources• http://www.wildflower.org/gallery/search.php?start=120&pag
ecount=10• http://www.google.com/imgres?imgurl=http://plant-life.org/
Ranunculaceae/ran_schem_01.gif&imgrefurl=http://montana.plant-life.org/families/
• http://data.gbif.org/species/13146238