Arctomecon humilis

Coville

Proc. Biol. Soc. Wash. 7: 67. 1892.

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

Plants subscapose, to 2.5 dm. Leaves 1-8 cm; blade shallowly to deeply 3-5-lobed distally, to 1.6 cm wide distally, minutely hirsute, sparsely long-pilose. Inflorescences 2-7-flowered, branching, glabrous or nearly so; buds glabrous. Flowers: sepals glabrous; petals marcescent, 4, white, 1.2-2.5 cm; filaments somewhat dilated distally; style 1 mm. Capsules ovoid, 0.8-1.5 cm, dehiscing 1/3-1/2 length, deciduous soon after. 2n = 24.


Phenology: Flowering late spring; fruiting mid summer.
Habitat: Barren, heavily gypsiferous shales, creosote bush zone
Elevation: 700-1100 m

Discussion

Of conservation concern.

Extant populations of Arctomecon humilis are known only from the area within 20 km of St. George in extreme southwestern Utah.

Selected References

None.

Lower Taxa

None.