Texas Gardening: Texas Native Plant Pictures by color ( Blue ), 1 by htop

htop wrote:
Drummond's Skullcap, (Scutellaria drummondii var. edwardsiana), Lamiaceae Family, annual, Texas native, blooms early spring through mid-summer (depends upon the zone in which it is growing), blooms may be lavender or blue-violet

Distribution:
http://plants.usda.gov/java/county?state_name=Texas&statefip...

For more information (couldn't find much on this plant), see its entry in the PlantFiles:
http://davesgarden.com/pf/go/142404/index.html

Bloom and calyces with skullcap-like (or shield-like) protrusions which are called scutellums. They are reddish-purple in color here.