''Phacelia hastata'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the borage family,

Boraginaceae Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees and herbs in 146, to 156 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

. Its common names include silverleaf scorpionweed,''Phacelia hastata''.
NatureServe. 2012. 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 (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

and

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

south to

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

and east to

Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...

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

elevation The elevation of a geographic 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 surface (see Geodetic datum § Vert ...

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, 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 (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

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 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 found elsew ...

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

''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 Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

*''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 {{Asterid-stub