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Phacelia hastata
Species of plant From Wikipedia, the free encyclopedia
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Phacelia hastata is a species of flowering plant in the borage family, Boraginaceae.[2][3] Its common names include silverleaf scorpionweed,[1] silverleaf phacelia,[4] and white-leaf phacelia.[5] It is native to western North America from British Columbia and Alberta south to California and east to Nebraska.[1] It can be found in many types of habitat, including scrub, woodland, and forest, up to an elevation of 13,000 feet.[6] It prefers sandy to rocky soil.[7]
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Description
Phacelia hastata is a variable perennial herb with a stem 5 to 92 centimeters (2 to 36 in) long.[8][7] It is coated in a fine, silvery pubescence.[5] The deeply veined, gray-green leaves are lance-shaped to oval, and smooth-edged, lobed, or divided into leaflets.[8] Most of the leaves are in a tuft around the base of the plant.[5] The flowers are arranged in cymes, blooming in early summer.[7] They have an urn- or bell-shaped white or lavender fused corolla about 4 to 7 millimeters long. The stamens protrude.[7] The fruit is a hairy capsule a few millimeters in length.[8]
There are up to four accepted varieties:[4][9]
- P. hastata var. charlestonensis – Charleston phacelia, Spring Mountains phacelia; endemic to Nevada[10]
- P. hastata var. compacta – compact phacelia, timberline phacelia; a matlike form occurring at elevation[11]
- P. hastata var. dasyphylla – spearshaped phacelia; limited to California and Oregon[12]
- P. hastata var. hastata – silverleaf phacelia; rangewide[13]
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Gallery
Flower
scorpioid flowerheads
var. charlestonensis
var. compacta
var compact large plant
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References
External links
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