Lasthenia glabrata

Lasthenia glabrata is a North American species of flowering plant in the family Asteraceae known by the common names yellowray goldfields[2] and yellow-rayed lasthenia.[3] 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.[4]

Lasthenia glabrata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Lasthenia
Species:
L. glabrata
Binomial name
Lasthenia glabrata
Synonyms[1]
  • Baeria leptalea (A.Gray) A.Gray
  • Burrielia leptalea A.Gray
  • Lasthenia leptalea (A.Gray) Ornduff
  • Lasthenia coulteri (A.Gray) Greene, syn of subsp. coulteri

Description

Lasthenia glabrata is an annual herb growing up to 50 cm (19.5 in) tall. The thin stem has a few pairs of oppositely-arranged, smooth-edged linear leaves each up to 15 centimeters (5.9 inches) long.[5][6][7]

The plant flowers in solitary or loosely clustered flower heads with 7-15 yellow ray florets surrounding numerous disc florets.[5]

The fruit is an achene a few millimeters long with no pappus.[5]

Subspecies[1][5]
  • 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

Media related to Lasthenia glabrata at Wikimedia Commons


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