Phacelia hastata
Introduction '''''Phacelia hastata''''' is a species of flowering plant in the borage family, Boraginaceae. Its common names include '''silverleaf scorpionweed''', '''silverleaf phacelia''', and '''white-leaf phacelia'''. It is native to western North America from British Columbia and Alberta south to California and east to Nebraska. It can be found in many types of habitat, including scrub, woodland, and forest, up to an elevation of 13,000 feet. It prefers sandy to rocky soil.
Description ''Phacelia hastata'' is a variable perennial herb with a stem  long. It is coated in a fine, silvery pubescence. The deeply veined, gray-green leaves are lance-shaped to oval, and smooth-edged, lobed, or divided into leaflets. Most of the leaves are in a tuft around the base of the plant. The flowers are arranged in cymes, blooming in early summer. They have an urn- or bell-shaped white or lavender fused corolla about 4 to 7 millimeters long. The stamens protrude. The fruit is a hairy capsule a few millimeters in length.There are up to four accepted varieties:*''P. hastata'' var. ''charlestonensis'' – Charleston phacelia, Spring Mountains phacelia; endemic to Nevada*''P. hastata'' var. ''compacta'' – compact phacelia, timberline phacelia; a matlike form occurring at elevation*''P. hastata'' var. ''dasyphylla'' – spearshaped phacelia; limited to California and Oregon*''P. hastata'' var. ''hastata'' – silverleaf phacelia; rangewide
Gallery Phacelia hastata (3715316804).jpg|FlowerPhacelia hastata scorpioid flowerheads.jpg|scorpioid flowerheadsPhacelia hastata var charlestonensis 7.jpg|var. ''charlestonensis''Phacelia hastata 5889.JPG|var. ''compacta''Phacelia hastata large plant.jpg|var ''compact'' large plant
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