''Phacelia hastata'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

in the borage family, ''

Boraginaceae Boraginaceae, the Borago, borage or forget-me-not family, includes about 2,000 species of shrubs, trees, and herbs in 146 to 154 genus, genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single famil ...

''. Its common names include silverleaf scorpionweed, silverleaf phacelia,''Phacelia hastata''.
USDA PLANTS. and white-leaf phacelia.''Phacelia hastata''.
Burke Museum. University of Washington. It is native to western North America from

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

and

Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...

south to

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

and east to

Nebraska Nebraska ( ) is a landlocked U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Ka ...

. It can be found in many types of habitat, including scrub, woodland, and forest, up to an

elevation The elevation of a geographic location (geography), ''location'' is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational equipotenti ...

of 13,000 feet.''Phacelia hastata''.
Calflora. It prefers sandy to rocky soil.

Description

''Phacelia hastata'' is a variable perennial herb with a stem long.''Phacelia hastata''.
The Jepson Manual. 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 In botany, an inflorescence is a group or cluster of flowers arranged on a plant's stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a main axis ( ped ...

, blooming in early summer. They have an urn- or bell-shaped white or lavender fused corolla about 4 to 7 millimeters long. The

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s protrude. The fruit is a hairy capsule a few millimeters in length. There are up to four accepted

varieties Variety may refer to: Arts and entertainment Entertainment formats * Variety (radio) * Variety show, in theater and television Films * ''Variety'' (1925 film), a German silent film directed by Ewald Andre Dupont * ''Variety'' (1935 film), ...

:''Phacelia hastata''.
Integrated Taxonomic Information System (ITIS). *''P. hastata'' var. ''charlestonensis'' – Charleston phacelia, Spring Mountains phacelia;

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...

''Phacelia hastata'' var. ''charlestonensis''.
Nevada Natural Heritage Program. State of Nevada. *''P. hastata'' var. ''compacta'' – compact phacelia, timberline phacelia; a matlike form occurring at elevation *''P. hastata'' var. ''dasyphylla'' – spearshaped phacelia; limited to

and

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

*''P. hastata'' var. ''hastata'' – silverleaf phacelia; rangewidevar. ''hastata''.
The Jepson Manual.

Gallery

Phacelia hastata (3715316804).jpg, Flower Phacelia hastata scorpioid flowerheads.jpg, scorpioid flowerheads Phacelia hastata var charlestonensis 7.jpg, var. ''charlestonensis'' Phacelia hastata 5889.JPG, var. ''compacta'' Phacelia hastata large plant.jpg, var ''compact'' large plant

References

External links

* hastata Flora of the Sierra Nevada (United States) Flora of the Western United States Flora of Alberta Flora of British Columbia Taxa named by Johann Georg Christian Lehmann {{Hydrophylloideae-stub