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FNA | Family List | FNA Vol. 3 | Papaveraceae | Arctomecon

2. Arctomecon merriamii Coville, Proc. Biol. Soc. Wash. 7: 66. 1892.

Great bearclaw-poppy

Plants scapose, to 4 dm. Leaves 4-12 cm; blade nearly unlobed to shallowly 3-7-lobed distally, to 3.5 cm wide distally, copiously long-pilose. Inflorescences 1(-6)-flowered, simple, glabrous; buds long-pilose. Flowers: sepals copiously long-pilose; petals caducous, 6, white, 2.5-4 cm; filaments dilated distally; style 1-1.5 mm. Capsules persistent, oblanceoloid, 2.5-4 cm, dehiscing not more than 1/4 length. 2 n = 24.

Flowering mid spring; fruiting early summer. Barren, calcareous, scree slopes and weakly gypsiferous shales interbedded with marine limestones, creosote bush and blackbrush zones; of conservation concern; 600-1700 m; Calif., Nev.

Arctomecon merriamii is found in small populations at scattered stations from Death Valley in southeastern California to the Meadow Valley Wash of southeastern Nevada.


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