Holocarpha

Holocarpha is a small genus of flowering plants in the family Asteraceae. The genus contains four species of tarweeds, which are all endemic to California.

Description
Holocarpha are glandular, aromatic annual herbs bearing yellow flowers.


 * Species
 * Holocarpha heermannii - Heermann's tarweed
 * Holocarpha macradenia - Santa Cruz tarweed
 * Holocarpha obconica - San Joaquin tarweed
 * Holocarpha virgata - yellowflower tarweed

Other "tarweeds"
Plants with the same common name, but in a different genus include:
 * Santa Susana tarweed - Deinandra minthornii - (Asteraceae, endemic state-listed rare species in Simi Hills and nearby ranges)