San Diego County, California, US
This is an old photo of the blue form of Scarlet Pimpernel .This was in Sycamore Canyon at the base of Devil`s Slide . Ertter and Bowerman list this form as not seen in recent years .
The flower was about the size of a pinky fingernail / smaller than a dime.
Scarlet pimpernel (Anagallis arvensis; also known as red pimpernel, red chickweed, poorman's barometer, poor man's weather-glass,shepherd's weather glass or shepherd's clock) is a low-growing annual plant. The native range of the species is Europe and Western and North Africa. The species has been distributed widely by humans, either deliberately as an ornamental flower or accidentally.A. arvensis is now naturalised almost worldwide, with a range that encompasses The Americas, Central and East Asia, the Indian Subcontinent, Malesia,...