Summary ⁶

Lasthenia gracilis (needle goldfields) is an annual plant with yellow flowers that grows in California. It is in the Lasthenia genus of the sunflower family (Asteraceae).

Description ⁷

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.

Sources and Credits

1. (c) Gravitywave, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/gravitywave/8521987961/
2. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
3. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
4. (c) Don Loarie, some rights reserved (CC BY), https://www.flickr.com/photos/loarie/26830111982/
5. (c) icosahedron, some rights reserved (CC BY), uploaded by icosahedron
6. Adapted by Jeny Davis from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Lasthenia_gracilis
7. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Lasthenia_gracilis

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

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