Daleae Imagines page 869 plate CXXXVIII

  • Title

    Daleae Imagines page 869 plate CXXXVIII

  • Creator(s)

    R. C. Barneby

  • Publisher

    The New York Botanical Garden Press

  • Description

    PLATE CXXXVIII Dalea parrasana Bdg. and D. wrightii Gray are low herbs adapted to grama grassland transitional to desert, where they may flower either in spring or following summer rains. Although much alike in their 5-7-foliolate, gray-pilose leaves, broad spikes of plumose calyces and yellow petals that fade brown or pinkish, they differ greatly in size and proportions of the flower-parts. The common D. wrightii is found over most of Coahuila and eastern Chihuahua, and extends north and west into trans-Pecos Texas, southeastern Arizona, and adjoining Sonora. The rare D. parrasana is known certainly only from southern Coahuila, near Parras and Saltillo, but is believed to occur somewhere in San Luis Potosi. Habit × 1; the rest × 5. D. parrasana: 1) stem; 2) stipules; 3) leaflet; 4) flower + bract; 5) banner, ventral view; 6) wing; 7) keel; 8) androecium. D. wrightii: 1) stem; 2) lowermost bract, dorsal view; 3) flower + bract; 4) banner, ventral and profile views; 5) wing; 6) keel; 7) androecium.

  • Taxonomy

    Dalea parrasana Brandegee

    Dalea wrightii A.Gray

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  • Image Type

    Illustration