Difference between revisions of "Arctomecon californica"
in J. C. Frémont, Rep. Exped. Rocky Mts., 312. 1845.
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|special status=Conservation concern;Endemic;Illustrated | |special status=Conservation concern;Endemic;Illustrated | ||
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|genus=Arctomecon | |genus=Arctomecon | ||
|species=Arctomecon californica | |species=Arctomecon californica | ||
Revision as of 22:59, 27 May 2020
Plants subscapose, to 6 dm. Leaves 3-20 cm; blade shallowly to deeply 3-7-lobed distally, 5 cm wide distally, copiously long-pilose, sometimes also minutely hirsute. Inflorescences 3-20-flowered, branching, glabrous throughout or long-pilose proximally; buds glabrous. Flowers: sepals glabrous; petals caducous, 6, deep yellow, 2.5-4 cm; filaments not dilated distally; style absent. Capsules persistent, obconic, 1-2.5 cm, dehiscing not more than 1/4 length. 2n = 24.
Phenology: Flowering mid spring; fruiting early summer.
Habitat: Barren shales that are heavily gypsiferous or otherwise chemically unusual (borate-bearing, lithium-bearing), creosote bush zone
Elevation: 500-1000 m
Distribution
Ariz., Nev., Utah.
Discussion
Of conservation concern.
Arctomecon californica is found in mostly small populations ranging from the vicinity of Las Vegas, Nevada, eastward to extreme northwestern Arizona near Lake Mead. It is known otherwise only from a single collection in Washington County, Utah.
Selected References
None.