common mouse-ear chickweed
Family
CaryophyllaceaeScientific Name
Cerastium fontanumOther Common Names:
				mouse-ear chickweed
			
			
				mouseear chickweed
			
			
				cerastium fontanum
			
			
				big chickweed
			
		Habit
				Erect to spreading/mat-forming and can grow up to 0.5 m tall.
			
		Leaves
				Leaves are opposite, 1-2 cm long, 3-12 mm wide, without a petiole, and hairy on the upper surface and veins underneath the leaf.
			
		Identifying Characteristics
				Has a fibrous root system with opposite leaves that are hairy on the upper surface and on the veins underneath. Has white flowers that appear in clusters with 5 lobed petals and hairy sepals. Stems are from 5 cm to 50 cm long/tall.
			
		Flower Seed Head
				Usually appear in clusters of 3 at the end of the stem. Have 5 white petals per flower that are deeply lobed and appear as almost 10 petals and hairy sepals.
			
		Seed Fruit
				The capsule is 7-11 mm long and 2-3 mm wide and cylindrical to slightly curved.
			
		Where Found
				Native of Euriasia but found throughout the U.S. expect in parts of Texas to California.
			
		Growth Habit
					Varies: 
					
			
						upright and nonwoody, 
					
					
						prostrate and nonwoody
					
				Thorns or Spines
						not present
					
				Approximate Flower Diameter
					Varies: 
					
			
						pencil, 
					
					
						dime
					
				Dominant Flower Color
						white
					
				Flower Symmetry
						radial symmetery
					
				Leaf Hairs
						has hairs
					
				Leaf Shape
					Varies: 
					
			
						round, 
					
					
						oval
					
				Leaf Arrangement
						opposite
					
				Leaf Margin
						entire
					
				Leaf Structure
						simple
					
				Leaf Stalk
						none
					
				Stem Hairs
						has hairs
					
				Stem Cross Section
						round or oval
					
				Milky Sap
						not present
					
				Root Structure
						fibrous
					
				Life Cycle
						perennial
					
				Ochrea
						not present
					
				Plant Type
						Herb