Phacelia argillacea

Phacelia argillacea is a rare species of flowering plant known by the common names clay phacelia and Atwood's phacelia. It is endemic to Utah in the United States, where it is known only from one canyon in Utah County. It is "one of Utah's most endangered species"; it is "one of the nation's rarest plants" and is federally listed as an endangered species of the United States. This plant is an annual herb growing up to 36 to 40 centimeters in height. It has a rosette of leaves around the base of the stem. The leaf blades are oblong with deep lobes along the edges, and measure up to 5 centimeters in length. The inflorescence is a cyme with several branches that are scorpioid in shape, curving into a curl like the tail of a scorpion; this inflorescence is hairy and glandular. Each flower has a bell-shaped purple-blue corolla about 0.5 centimetres (0.20 in) long and wide, with the long stamens and style protruding from the mouth of the corolla. The fruit of the plant is a capsule about a q......read more on Wikipedia.