Lathyrus leucanthus Rydb.

  • Authority

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

  • Family

    Fabaceae

  • Scientific Name

    Lathyrus leucanthus Rydb.

  • Description

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    Species Description - A glabrous or slightly pubescent perennial with a very slender rootstock. Stem about 3 dm. high, angled: stipules very narrow, semi-sagittate: leaflets 2-4 pairs, elliptic, veiny, glaucous, acute, mucronate, 1-3 cm. long, 3-10 mm. wide: tendrils of the lower leaves mere tips; of the upper elongated and sometimes 3-divided: racemes short, in the axils of the middle leaves, 3-4 cm. long, 2-4-flowered: calyx glabrous, cleft to about the middle: lobes lanceolate, acuminate: corolla white, about 15 mm. long: banner broad.

  • Discussion

    This is nearest related to L. Arizonicus, but differs in the broader leaves and banner. It grows at an altitude of 2400- 3000 m.

    Colorado : Ojo, 1900, Rydbcrg & Ireelaiid, 6020 (type) ; Pass Creek, 6021 ; West Indian Creek, 6022; mountain near Veta Pass, 6023; ; Veta Pass, 1890, Mr. and Mrs. G. H. Hicks, 19 Ridgway, 1895, F. Tweedy, 239.

  • Distribution

    Colorado

    Colorado United States of America North America|