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PhytoKeys. 2014 Mar 11;(35):45-56. doi: 10.3897/phytokeys.35.6751. eCollection 2014.

Two new desert Eschscholzia (Papaveraceae) from southwestern North America.

Author information

1
Department of Plant Science and Conservation, Chicago Botanic Garden, 1000 Lake Cook Road, Glencoe, IL 60022.

Abstract

Two new species of Eschscholzia are described. Both are found in the deserts of California and one extends outside the state boundary into Arizona. Eschscholzia androuxii Still, sp. nov. is found mainly in and around Joshua Tree National Park in Riverside and San Bernardino counties. Eschscholzia papastillii Still, sp. nov. is found from the northern Mojave south through Joshua Tree National Park to central Imperial County. Both are annuals found in coarse, sandy soil and have yellow flowers typical of desert Eschscholzia. Eschscholzia papastillii has an expanded receptacular rim similar to that of Eschscholzia californica. Eschscholzia androuxii has anthocyanin bands around the stamen filaments.

KEYWORDS:

Arizona; California; Colorado Desert; Eschscholzia; Eschscholzia androuxii; Eschscholzia papastillii; Joshua Tree poppy; Mojave Desert; Papaveraceae; Sonoran Desert; cryptic desert poppy; new species

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