| Lasthenia gracilis | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Lasthenia |
| Species: | L. gracilis |
| Binomial name | |
| Lasthenia gracilis (DC.) Greene | |
Lasthenia gracilis, the needle goldfields, is an annual plant with yellow flowers that grows in California and Arizona in southwestern United States, and Baja California in northwestern Mexico. It is in the genus Lasthenia of the family Asteraceae.
Description
Lasthenia gracilis is a generally hairy herb, up to 400 millimetres (15.7 in) tall, branched or unbranched. The leaf is 8–70 millimetres (0.3–2.8 in), linear to oblanceolate, without teeth and more or less hairy. The involucre is 5–10 millimetres (0.2–0.4 in). The flower head has 6 to 13 ray flowers 5–10 millimetres (0.2–0.4 in) long. The disk flowers are numerous.
References
- Sullivan, Steven. K. (2018). "Lasthenia gracilis". Wildflower Search. Retrieved 2018-07-06.
- ^ "Lasthenia gracilis". in Jepson Flora Project (eds.) Jepson eFlora. Jepson Herbarium; University of California, Berkeley. 2018. Retrieved 2018-07-06.
- ^ "Calflora: Lasthenia gracilis". calflora.org. Retrieved 2015-05-16.
External links
Media related to Lasthenia gracilis at Wikimedia Commons
| Taxon identifiers | |
|---|---|
| Lasthenia gracilis |
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