bio.wikisort.org - Plant
Arctomecon californica is a species of poppy known by several common names, including California bearpoppy, Las Vegas bearpoppy, golden bearpoppy, and yellow-flowered desert poppy. It is a perennial herb that is native to the eastern Mojave Desert.
| California bearpoppy | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Ranunculales |
| Family: | Papaveraceae |
| Genus: | Arctomecon |
| Species: | A. californica |
| Binomial name | |
| Arctomecon californica | |
Description
Arctomecon californica is a herbaceous perennial found in Creosote bush (Larrea tridentata) habitats, in barren shales with gypsum substrates, at 500–1,000 metres (1,600–3,300 ft) in elevation.[1]
The plant flowers in mid spring with deep yellow petals from large buds on tall 1–3 feet branching inflorescences. Fruiting occurs in early summer.[2]
Distribution and habitat
Arctomecon californica is native to the eastern Mojave Desert: in areas around Las Vegas, Nevada such as Tule Springs; the Lake Mead area; in and around Las Vegas; and in extreme Mohave County in Northwestern Arizona. It is also known from a single location in near St. George, Utah in Washington County, Southwestern Utah.[3] The Utah population has undergone a severe decline, and the plant is now listed as an endangered species in Utah.
Conservation
The species has declined dramatically in recent decades and has now been petitioned for listing on the US Endangered Species list.[4] It is a protected species in Nevada and Arizona due to its rarity. It is declining in its primary habitat in Nevada. The Utah population has undergone a serious decline associated with land development and grazing and the growth in the European and Africanized honeybee population associated with the latter. Habitat fragmentation is a possible contributing factor to reduced levels of genetic variation in populations in the Las Vegas Valley.[5]
Ecology
Arctomecon californica is pollinated by a specialist bee, the Mohave poppy bee. Pollination occurs by female Mohave poppy bees who collect pollen from the plants to feed their young.[6] The Mohave poppy bee is imperiled due to habitat loss.[7]
References
- "Arctomecon californica in Flora of North America @". Efloras.org. Retrieved 2022-05-01.
- "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". Wildflower.org. Retrieved 10 May 2022.
- "USDA Plants Database". Plants.usda.gov. Retrieved 2022-05-01.
- "Endangered Species | Species | U.S. Species". Fws.gov. Retrieved 10 May 2022.
- Hickerson, Laura L.; Wolf, Paul G. (1998). "Population Genetic Structure of Arctomecon californica Torrey and Fremont (Papaveraceae) in Fragmented and Unfragmented Habitat". Plant Species Biology. 13 (1): 21–33. doi:10.1111/j.1442-1984.1998.tb00245.x.
- "Nevada's Highly Imperiled Mojave Poppy Bee Takes Step Toward Endangered Species Act Protection". Center for Biological Diversity. Retrieved 2022-04-21.
- "NatureServe Explorer 2.0". Explorer.natureserve.org. Retrieved 2022-04-21.
External links
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