Daleae Imagines page 727 plate LXVII

  • Title

    Daleae Imagines page 727 plate LXVII

  • Creator(s)

    R. C. Barneby

  • Publisher

    The New York Botanical Garden Press

  • Description

    PLATE LXVII Dalea polystachya (Sesse & Mocino) Barneby, a weakly suffrutescent dalea up to 8-18 dm tall, glabrous except for the inflorescence and a few villosulous basal shoots developing in the dry season, notable for its numerous plane leaflets, multiglandular calyx, and blue or rose-purple flowers produced in fall and winter. The species is widely but discontinuously dispersed in Mexico, along the Transverse Volcanic range w.-ward from s. Mexico to the Pacific and along the Sierras Madre Occidental and Sur from centr. Durango to Oaxaca, the scattered populations differing among themselves in color of the petals and in size and relative proportions of the calyx. — Habit and detached cauline leaf × 1; the rest × 5. 1) branch of panicle; 2) stipules; 3) primary cauline leaf; 4) leaflets; 5) interfloral bracts, dorsal and ventral view; 6) flower; 6a, 6b) calyces; 6c) calyx + androecium from type-collection of Parosela lagopina (see accompanying text); 7) calyx laid open; 8) banner, ventral and profile views; 9) wings; 10) keel; 11) androecium; 12) pod.

  • Taxonomy

    Dalea polystachya (Sessé & Moc.) Barneby

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  • Image Type

    Illustration