Jensia yosemitana

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Jensia yosemitana
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Jensia
Species: J. yosemitana
Binomial name
Jensia yosemitana
(Parry ex A.Gray) B.G.Baldw.
Synonyms

Madia yosemitana

Jensia yosemitana (syn. Madia yosemitana) is a species of flowering plant in the aster family known by the common name Yosemite tarweed. It is endemic to California, where it has a scattered distribution across the Sierra Nevada and its foothills. It is an annual herb with a slender stem up to 25 centimeters tall. The hairy to bristly leaves are 1 to 3 centimeters long and located all along the stem. The inflorescence produces flower heads on thin, threadlike peduncles. The head generally has 2 or more yellow ray florets each about 2 millimeters long and yellow disc florets tipped with black anthers. The fruit is an achene with a bristly or scaly pappus.

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