Arctomecon humilis
Proc. Biol. Soc. Wash. 7: 67. 1892.
Common names: Dwarf bearclaw-poppy
Conservation concernEndemicIllustrated
Treatment appears in FNA Volume 3.
Revision as of 21:48, 5 November 2020 by imported>Volume Importer
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.