2017 Fred Melgert / Carla Hoegen 2020 Ron Vanderhoff 2017 David Wolfson 2021 Ron Vanderhoff 2021 Ron Vanderhoff 2021 Ron Vanderhoff 2020 Ken Hickman 2021 Cynthia Powell 2022 Ron Vanderhoff 2021 Ron Vanderhoff 2020 Ron Vanderhoff 2021 Ron Vanderhoff 2021 Ron Vanderhoff 2023 Ryan O'Dell
Lythrum californicum is a perennial herb that is native to California, and also found elsewhere in western North America.
[Wikipedia] Range, Description: Lythrum californicum is a species of flowering plant in the loosestrife family known by the common name California loosestrife. It is native to northern Mexico and the southwestern United States into the Midwest as far east as Oklahoma and Texas. It often grows in moist habitat. This is an erect perennial herb reaching 20 to 60 cm (7.9 to 23.6 in) tall, sometimes branching. The waxy linear to lance-shaped leaves are arranged oppositely lower on the plant, and alternately toward the top. They are 1 to 7 cm (0.39 to 2.76 in) in length. The inflorescence is a terminal spike of flowers with purple petals under a centimeter long. Flowers are heterostylous on one individual plant, with some having long, protruding styles and some with shorter styles not protruding from the mouth of the flower. The fruit is an oval capsule containing many minute seeds.
This plant resembles its relative, the notorious noxious weed purple loosestrife, but California loosestrife is usually not weedy. (contributed by Mary Ann Machi)
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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: