the little purple viola flower

alba anthocaris appearing april belias bird blue botany branches breeding butterfly directly early ecology ecosystem entomology female floor flower foodweb forest forestry forests gets green growth guadarrama ildefonso insect jumping labyrinth leaves lepidoptera life little mediterranean nature oak orange picture pieridae plant pollination purple pyrenaica pyrennean quercus relationship river san segovia sierra spain species spring springs sun taken this tree typical viola when white wild