Salix flava Rydb.

  • Authority

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

  • Family

    Salicaceae

  • Scientific Name

    Salix flava Rydb.

  • Description

    Species Description - A shrub or small tree, 4—7 m. high, with grayish yellow rough bark. Branches short and divergent, light yellow, smooth and shining: stipules rounded, entire: leaves with petioles 2-6 mm. long; blades lanceolate, short-acuminate or acute, entire or indistinctly crenulate, rather firm, yellowish green, glabrous on both sides, 3—7 cm. long: pistillate aments 2-3 cm. long, almost sessile, subtended by 1-2 leaves or naked: bracts very short, obovate, fuscous, densely long-woolly: pistil stipitate, glabrous; stipe in fruit often 2 mm. long: style about .5 mm. long: stigmas oblong, subentire: capsule ovate, about 6 mm. long: staminate aments 2-3 cm. long, sessile: bracts as in the pistillate aments: stamens 2; filaments glabrous.

  • Discussion

    This is also a member of the cordata group and nearest related to S. lutca Nutt., differing in the less acuminate and subentire leaves, which are not paler beneath, and the longer stipes. It grows along streams at an altitude of 1500-2000 m.

    Wyoming : Green River, 1895, Rydberg (type) ; Spread Creek, 1897, F. Tweedy, 302.

    Montana: Boulder River, 1888, F. Tweedy 63.

    Idaho: Beaver Canon, 1895, Rydberg.

    Nevada : Unionville, 1868, S. Watson, 1097

    Utah : Wahsatch Mountains, 1 869, 5. Watson, 1096, in part.

    Colorado : South Park, 1873,/. Wolfe ; Cucharas Valley, near LaVeta,

  • Distribution

    Wyoming, Montana, Idaho, Nevada, Utah, Colorado.

    Wyoming United States of America North America| Montana United States of America North America| Idaho United States of America North America| Nevada United States of America North America| Utah United States of America North America| Colorado United States of America North America|