2022 Mike Russler 2008 Steve Matson 2022 Mary Ann Machi 2022 Bob Steele 2023 Steve Conger 2023 Karen Swift 2023 Steve Conger 2010 Julie A. Kierstead 2022 Jamie Spielmann 2022 Mary Ann Machi 2022 Bob Steele 2021 Cynthia Powell 2022 Mike Russler 2023 Mike Russler 2023 Mike Russler 2018 Matt Berger 2023 Morgan Stickrod 2023 Steve Conger 2021 Cynthia Powell 2021 Cynthia Powell 2020 Bob Sweatt 2020 Bob Sweatt 2021 Barbara Peck 2021 Barbara Peck 2021 Barbara Peck 2021 Barbara Peck 2021 Steve Laymon 2021 Steve Matson 2021 Steve Matson 2021 Steve Matson 2021 Steve Matson 2021 Mike Russler 2021 Mike Russler 2008 Steve Matson 2021 Cynthia Powell 2021 Cynthia Powell 2015 Timothy Boomer | WildMacro.com
Streptanthus tortuosus is an annual or perennial herb that is native to California, and also found elsewhere in western North America.
[Wikipedia] Description, Range, Habitat: Streptanthus tortuosus is a biennial or short lived perennial plant in the mustard family (Brassicaceae) known by the common names shieldplant,[1] shieldleaf, and mountain jewelflower.[2]
Range and habitat
It is native to the mountains of northern and central California, its distribution extending just into Oregon and Nevada. It grows in rocky and sandy areas in forests and woodland habitat.
Growth pattern
It is highly variable in appearance and some authors divide it into many subtaxa. In general, it is a biennial or perennial herb growing a few centimeters to over a meter tall. It is hairless and often waxy in texture.
Leaves and stems
The basal leaves have oval blades borne on winged petioles, and leaves higher on the stem may be longer and narrower, sometimes clasping the stem at the bases. Leaves turn yellow with age.[2]
Inflorescence and fruit
Flowers occur at intervals along the upper stem, and there is usually a leaflike bract below them. Each flower has an urn-shaped calyx of sepals in shades of purple or greenish yellow with four petals emerging from the tip. The fruit is a long, thin, curving silique up to 12 to 16 centimeters long. (contributed by Mary Ann Machi)
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2022 Mike Russler:!2008 Steve Matson:!2022 Mary Ann Machi:!2022 Bob Steele:!2023 Steve Conger:!2023 Karen Swift:!2023 Steve Conger:!2010 Julie A. Kierstead:!2022 Jamie Spielmann:!2022 Mary Ann Machi:!2022 Bob Steele:!2021 Cynthia Powell:!2022 Mike Russler:!2023 Mike Russler:!2023 Mike Russler:!2018 Matt Berger:!2023 Morgan Stickrod:!2023 Steve Conger:!2021 Cynthia Powell:!2021 Cynthia Powell:!2020 Bob Sweatt:!2020 Bob Sweatt:!2021 Barbara Peck:!2021 Barbara Peck:!2021 Barbara Peck:!2021 Barbara Peck:!2021 Steve Laymon:!2021 Steve Matson:!2021 Steve Matson:!2021 Steve Matson:!2021 Steve Matson:!2021 Mike Russler:!2021 Mike Russler:!2008 Steve Matson:!2021 Cynthia Powell:!2021 Cynthia Powell:!2015 Timothy Boomer | WildMacro.com:!
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 12/11/2023).