Summary ⁹

Trixis californica , the American threefold or American trixis, is a species of flowering plant in the family Asteraceae. It is native to the southwestern United States in California, Arizona, New Mexico, and Texas, and in Mexico in the states of Baja California, Chihuahua, Coahuila, Durango, Nuevo León, Sinaloa, Sonora, Tamaulipas, and Zacatecas.

Description ¹⁰

Trixis californica is a sprawling shrub or subshrub with flower heads with about 15 bright yellow flowers each. The inflorescence is terminal, usually a panicle or corymb, but sometimes the heads are borne singly at the tips of branches. Leaves are lance-shaped (lanceolate), dark green, 2–11 cm long, and 0.5–3 cm wide. This species occurs from sea level to 5000 feet in elevation. Its habitat types include rocky hillsides, thorn scrub, and desert washes and brush. In the western Sonoran Desert it is exclusive to washes and only grows amongst other plants. In the Colorado Desert it grows in creosote scrub. It grows in scrub in the Yuma Desert, east of the Colorado River. Though it usually flowers between February and October, it may bloom nearly year-round depending on winter weather conditions.

Fontes e Créditos

1. (c) Joe Decruyenaere, alguns direitos reservados (CC BY-SA), http://www.flickr.com/photos/38213125@N00/4510714091
2. (c) Ken-ichi Ueda, alguns direitos reservados (CC BY), uploaded by Ken-ichi Ueda
3. (c) Tony Iwane, alguns direitos reservados (CC BY-NC), uploaded by Tony Iwane
4. (c) Katja Schulz, alguns direitos reservados (CC BY), https://www.flickr.com/photos/treegrow/25288478213/
5. (c) Katja Schulz, alguns direitos reservados (CC BY), https://www.flickr.com/photos/treegrow/25796414552/
6. (c) Katja Schulz, alguns direitos reservados (CC BY), https://www.flickr.com/photos/treegrow/25796411832/
7. (c) BJ Stacey, alguns direitos reservados (CC BY-NC), uploaded by BJ Stacey
8. (c) Bob Miller, alguns direitos reservados (CC BY), uploaded by Bob Miller
9. Adaptado por Jeny Davis de uma obra de (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Trixis_californica
10. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Trixis_californica

Mais informações

• BioDiversity4All 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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