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Winter Vetch Vicia villosa Widely used by organic growers in the U.S. as a winter cover crop, as it is both winter hardy and can fix as much as 200 lb/acre of atmospheric nitrogen. Disadvantages are related to the crop having a portion of hard seed and its tendency to shatter seed early in the season - leading to it remaining in the field as a weed later in the season. This can be a particular problem in wheat production. Back to Fabaceae of Orange County, California |
/more%20than%2010%20flowers%20per%20raceme,%20all%20on%20one%20side;%20San%20Mateo%20Wilderness%20Area,%20Riverside%20Co.,%20CA.%203-29-08%20208.jpg) More than 10 flowers per raceme, all on one side; San Mateo Wilderness Area, Riverside Co., CA. 3-29-08. © Joan Avise |
/legumes;%20Bommer%20Canyon%20Wilderness%20Park,%20Irvine,%20Orange%20Co.,%20CA.%20%204-23-11%20123.jpg) Legumes; Bommer Canyon Wilderness Park, Irvine, Orange Co., CA. 4-23-11. © Joan Avise |
/tendril%20at%20apex,%20stipule%20not%20toothed;%20Bommer%20Canyon%20Wilderness%20Park,%20Irvine,%20Orange%20Co.,%20CA.%204-23-11%20121.jpg) Tendril at apex, stipule not toothed; Bommer Canyon Wilderness Park, Irvine, Orange Co., CA. 4-23-11. © Joan Avise |
/Bommer%20Canyon%20Wilderness%20Park,%20Irvine,%20Orange%20Co.,%20CA.%204-23-11%20120.jpg) Bommer Canyon Wilderness Park, Irvine, Orange Co., CA. 4-23-11. © Joan Avise |
/Bommer%20Canyon%20Wilderness%20Park,%20Irvine,%20Orange%20Co.,%20CA.%20%204-23-11%20119.jpg) Bommer Canyon Wilderness Park, Irvine, Orange Co., CA. 4-23-11. © Joan Avise |
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 Grnt Loop, Waterline, Vista Grande Tr., SR Plateau, 3-27-14. © Ron Vanderhoff. |
 Grnt Loop, Waterline, Vista Grande Tr., SR Plateau, 3-27-14. © Ron Vanderhoff. |
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