Spur Lengths

	Species	Spur length
Stemmed Violets
	*Viola adunca*	5 to 7 mm
	*Viola arvensis*	3 to 5 mm
	*Viola canadensis*	1 to 2 mm
	*Viola labradorica*	4 to 8 mm
	*Viola pubescens*	1 to 2.5 mm
	*Viola rostrata*	10 to 20 mm
	*Viola striata*	3 to 6 mm
	*Viola tricolor*	4 to 5 mm
Stemless Small White Flowers
	*Viola blanda*	1 to 2 mm
	*Viola lanceolata*	1 to 2 mm
	*Viola pallens (V. Macloskeyi)*	1 to 2.5 mm
	*Viola primulifolia*	1 to 2 mm
	*Viola renifolia*	2 to 3 mm
Stemless Yellow Flowers
	*Viola rotundifolia*	1 to 2 mm
Stemless Blue-Purple Flowers
	*Viola affinis*	2 to 3 mm
	*Viola brittoniana*	2 to 3 mm
	*Viola cucullata*	2 to 3 mm
	*Viola odorata*	5 to 7 mm
	*Viola palmata*	2 to 3 mm
	*Viola pedata*	2 to 3 mm
	*Viola sagittata*	2 to 3 mm
	*Viola selkirkii*	4 to 7 mm
	*Viola septentrionalis*	not listed at source
	*Viola sororia*	2 to 3 mm
	*Viola subsinuata*	2 to 3 mm


	Home	Resources