Wildflowers of Southern Arizona
		
		
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	 
		
Deerbrush. 
		
Ceanothus integerrimus. 
		
Buckthorn (Rhamnaceae) family.
	
	 
		
			PLANT: Shrubs, unarmed, 1 to 3 m tall. STEMS: erect, green-brown to gray at maturity. LEAVES: alternate, deciduous; petioles 1-2 cm long; blades broadly elliptic to ovate or oblong, 2-8 cm long, 1-5 cm wide, dark green above, light green below, often pubescent; margins entire. INFLORESCENCE: of axillary clusters, 3-15 flowers per cluster, usually exceeding the leaves. FLOWERS: white to dark blue. FRUITS: 3-5 mm wide.  
				
				
Santa Catalina Mountains.
				
Location: Oracle Ridge Trail .5 mi from trailhead.
				
8/20/16
				
						
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