Arctomecon californica

Torrey & Frémont in J. C. Frémont

in J. C. Frémont, Rep. Exped. Rocky Mts., 312. 1845

Common names: Golden bearclaw-poppy
Conservation concernEndemicSelected by author to be illustrated
Treatment appears in FNA Volume 3.
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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

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.

References

None.

Lower Taxa

No lower taxa listed.

AuthorSusan E. Meyer +
AuthorityTorrey & Frémont in J. C. Frémont +
Common nameGolden bearclaw-poppy +
DistributionAriz. +, Nev. + and Utah. +
Elevation500-1000 m +
HabitatBarren shales that are heavily gypsiferous or otherwise chemically unusual (borate-bearing, lithium-bearing), creosote bush zone +
IllustratorJohn Myers +
PhenologyFlowering mid spring + and fruiting early summer. +
Publication titlein J. C. Frémont, Rep. Exped. Rocky Mts., +
Publication year1845 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse grained fna xml/V3/V3 20.xml +
Special statusConservation concern +, Endemic + and Selected by author to be illustrated +
Taxon familyPapaveraceae +
Taxon nameArctomecon californica +
Taxon parentArctomecon +
Taxon rankspecies +
VolumeVolume 3 +