Lasthenia glabrata
| Lasthenia glabrata | |
|---|---|
| |
Scientific 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] | |
| |
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]
Description
[edit]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]
- 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
[edit]- ^ a b The Plant List, Lasthenia glabrata Lindl.
- ^ NRCS. "Lasthenia glabrata". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 23 January 2016.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- ^ Calflora taxon report, University of California, Lasthenia glabrata Lindley, Yellow rayed Lasthenia, yellow rayed goldfields, yellowray goldfields
- ^ a b c d Flora of North America, Lasthenia glabrata Lindley
- ^ Lindley, John 1835. Edwards's Botanical Register 21: plate 1780 plus subsequent text page full-page color illustration, diagnosis in Latin, commentary in English
- ^ Rydberg, Per Axel 1913. in Britton, Nathaniel Lord, North American Flora 34: 81
External links
[edit]
Media related to Lasthenia glabrata at Wikimedia Commons
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