1. 
   Clarkia
   (Farewell-To-Spring, Godetia, Satin Flower) These are hardy annuals of western North America. They are named after Captain William Clark of the Lewis and Clark Expedition. Clarkia's height ranges from 1 to 3 feet. They provide a profusion of flowers that, given favorable conditions, will bloom for q...
   Found op http://www.botany.com/clarkia.html
   
   
2. 
   Clarkia
   Clarkia is a genus within the flowering plant family Onagraceae. Over 40 species are currently classified in Clarkia; almost all are native to western North America, though one species (Clarkia tenella) is native to South America. Clarkias are typically annual plants, growing to a height of less th...
   Found op http://en.wikipedia.org/wiki/Clarkia
   
   

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