Holocarpha is a small genus of flowering plants in the daisy family. The genus contains four species of tarweeds, which are all endemic to California.
Holocarpha are glandular, aromatic annual herbs bearing yellow flowers.
SpeciesHolocarpha heermannii - Heermann's tarweed
Holocarpha macradenia - Santa Cruz tarweed
Holocarpha obconica - San Joaquin tarweed
Holocarpha virgata - yellowflower tarweed
Plants with the same common name, but in a different genus include:
Santa Susana tarweed - Deinandra ...
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*All information is based on published scientific research