Lecture 10_Fabaceae_Brassicaceae

Lecture 10_Fabaceae_Brassicaceae - Fabaceae Brassicaceae...

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Fabaceae & Brassicaceae
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Fabaceae “Legume” or “Bean” Family 3rd largest family 630 genera; 18,000 species!!! Asteraceae = 24,000 Orchidaceae = 20,000 2 nd in economic importance Peanut Chick-pea Soybean Lentil Leaflets Pulvinus at the base usually show sleep movements pinnately compound Alfalfa Bean Pea Clover
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Family Fabaceae Papilionaceous flowers Banner, 2 wings, keel Fruit legume or pod Splits at both seems Roots contain nodules of nitrogen-fixing bacteria convert inert atmospheric nitrogen into ammonia Other bacteria convert the ammonia into nitrites and nitrates that enrich the soil with a usable form of nitrogen.
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Clover ~300 Trifolium spp. leaves are trifoliate occasionally have leaves with four leaflets, instead of the usual three. These four-leaf clovers, like other rarities, are considered lucky. dense spikes of small red, purple, white, or yellow flowers used for either pasturage or green composting Shamrock = traditional Irish symbol coined by Saint Patrick for the Holy Trinity commonly associated with clover
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This note was uploaded on 02/01/2012 for the course HOS 1014 taught by Professor Staff during the Fall '08 term at University of Florida.

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Lecture 10_Fabaceae_Brassicaceae - Fabaceae Brassicaceae...

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