Scutellaria integrifolia
hyssop skullcap, helmet flower, helmet-flower, rough skullcap, common large skullcap, tall skullcap
Family
Lamiaceae
Leaf Arrangement
opposite
Leaf Attachment
petiolate
Leaf Margin
crenate
Leaf Type
simple
Leaf Shape
lanceolate, oblanceolate, ovate, triangular
Growth Form
forb
Flower Color
blue, pink, purple, white
Flower Month
April - July
Height (meters)
0.2 - 0.8
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Cool season
Wetland Class
FAC
Prairie Coefficient of Conservatism
9
Field Characters
Skullcaps get their name from (and are recognized by) their crested calyx. This species differs from others in the genus by its flowers in racemes and its toothless upper leaves.
Cultural Information
Steffen (1997) reports that seeds of the members of the genus Scutellaria require moist/cold stratification or no treatment. Seeds average approximately 490,000/lb.
Natural History
Found in prairies, borders of woods, along streams, on seepage slopes, and around ponds throughout most of Louisiana and east Texas.
Habitat
Clearings and open woods.