2010 Aaron Schusteff 2010 Aaron Schusteff 2023 Morgan Stickrod 2010 Aaron Schusteff 2010 Aaron Schusteff 2021 Mike Russler 2021 Mike Russler 2022 Mike Russler 2015 Mary Merriman 2022 Mike Russler 2022 Mike Russler 2022 Mike Russler 2022 Mike Russler 2021 Mike Russler 2021 Mike Russler 2022 Mike Russler
Streptanthus farnsworthianus is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Description, Range: Streptanthus farnsworthianus is an uncommon species of flowering plant in the mustard family known by the common name Farnsworth's jewelflower. It is endemic to California, where it is limited to the woodlands of the Sierra Nevada foothills. It is an annual herb producing a hairless, waxy, purple or purple-tinged stem up to half a meter tall or more. The ephemeral basal leaves have blades up to 15 centimeters long which are each divided into several narrow lobes or leaflets. Leaves higher on the stem have purple lance-shaped blades that generally clasp the stem at their bases. Flowers occur at intervals along the upper stem with one or two leaflike purple bracts at the base of the raceme. Each flower has an urn-shaped calyx of purple sepals up to a centimeter long. Curling purple-veined white petals emerge from the tip of the calyx. The fruit is a straight or curving silique up to 12 centimeters long.
The plant was named for Evalyn Lucille Klein Farnsworth, a foothills cattle rancher and plant collector who first discovered it growing on her land. (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: