Lasthenia glabrata is a North American species of flowering plant in the family Asteraceae known by the common names yellowray goldfields and yellow-rayed lasthenia. It is endemic to California, where it is a resident of vernal pools and other moist areas in a number of habitat types. It is widespread across much of the state, from San Diego County to Tehama County.Calflora taxon report, University of California, Lasthenia glabrata Lindley, Yellow rayed Lasthenia, yellow rayed goldfields, yellowray goldfields
Description Lasthenia glabrata is an annual herb growing up to tall. The thin stem has a few pairs of oppositely-arranged, smooth-edged linear leaves each up to long.Flora of North America, Lasthenia glabrata LindleyLindley, John 1835. Edwards's Botanical Register 21: plate 1780 plus subsequent text page full-page color illustration, diagnosis in Latin, commentary in EnglishRydberg, Per Axel 1913. in Britton, Nathaniel Lord, North American Flora 34: 81
The plant flowers in solitary or loosely clustered flower heads with 7-15 yellow ray florets surrounding numerous disc florets.
The fruit is an achene a few millimeters long with no pappus.
Subspecies Lasthenia glabrata subsp. glabrata - San Francisco Bay area, Orange County, mid part of Central Valley Lasthenia glabrata subsp. coulteri (A.Gray) Ornduff - southern California, northern Central Valley
References
External links
Jepson Manual Treatment Calphotos Photo gallery, University of California