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“I have a real penchant for glaucous plant material,” she said.

In “Crescent Moon,” white blossoms reflect off glaucous silver eucalyptus.

Fleeting, crumpled tissue-paper blooms in a variety of colors — deep purple is a favorite — are produced on annual plants with showy glaucous foliage throughout summer.

Foliage color ranges from deep green to a glaucous blue green.

Hunted for their feathers, meat and as pets, and decimated by habitat loss, the birds are listed as critically endangered in Argentina; another once-widespread species, the blue-grey glaucous macaw, is extinct.