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.[1][2][3] It is in the genus Lasthenia of the family Asteraceae.[3]

Lasthenia gracilis
Scientific classification Edit this 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

Description

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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.[2]

References

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  1. ^ Sullivan, Steven. K. (2018). "Lasthenia gracilis". Wildflower Search. Retrieved 2018-07-06.
  2. ^ a b "Lasthenia gracilis". in Jepson Flora Project (eds.) Jepson eFlora. Jepson Herbarium; University of California, Berkeley. 2018. Retrieved 2018-07-06.
  3. ^ a b "Calflora: Lasthenia gracilis". calflora.org. Retrieved 2015-05-16.
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