Delphinium elongatum Rydb.

  • Authority

    New York Botanical Garden. Herbarium of Dr. Per Axel Rydberg. Purchased, 1899. Contributions from the New York Botanical Garden.

  • Family

    Ranunculaceae

  • Scientific Name

    Delphinium elongatum Rydb.

  • Description

    Species Description - Tall perennial with a short woody caudex: stem glabrous and glaucous up to the inflorescence, which is slightly strigose: leaves digitately divided into about 7 divisions, glabrous and glaucous beneath; petioles fully 1 dm. long; divisions of the blade oblanceolate in outline, 5-7 cm. long, cleft into lanceolate, acute lobes: inflorescence strict and elongated; bracts small, linear, almost filiform; pedicels 1—2 cm. long, at first ascending, in fruit almost erect; bractlets minute, subulate: sepals and petals dark blue, the former oval, obtuse or acutish, about 1 cm. long; spur short, straight, about 12 mm. long: lateral petals cleft at the apex, more or less toothed: follicles erect, 12-15 mm. long, strigose-puberulent.

  • Discussion

    In some respects nearest to D. glaucum but differing in the puberulent pod, strigose pubescence at least on the pedicels, and the narrower divisions and lobes of the leaves. It grows at an altitude of about 2000 m.

    Colorado: Larimer county, 1895, Crandall & Cowen, 15 (type in herb. N. Y. Bot. Garden) ; Villa Grove, 1 896, F. Clements, 338 ; Middle Park, 1861, C. C. Parry, 83 ; Baxton's Ranch, 1890, Craudall, 1547

    Montana: Lima, 1895, Rydberg.

  • Distribution

    Colorado, Larimer County, Montana: Lima.

    Colorado United States of America North America| Montana United States of America North America|