Arctomecon californica

Torrey & Frémont in J. C. Frémont

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

Common names: Golden bearclaw-poppy
Conservation concernEndemicIllustrated
Treatment appears in FNA Volume 3.

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.

Selected References

None.

Lower Taxa

None.

... more about "Arctomecon californica"
Susan E. Meyer +
Torrey & Frémont in J. C. Frémont +
Golden bearclaw-poppy +
Ariz. +, Nev. +  and Utah. +
500-1000 m +
Barren shales that are heavily gypsiferous or otherwise chemically unusual (borate-bearing, lithium-bearing), creosote bush zone +
Flowering mid spring +  and fruiting early summer. +
in J. C. Frémont, Rep. Exped. Rocky Mts., +
Conservation concern +, Endemic +  and Illustrated +
Arctomecon californica +
Arctomecon +
species +