D I S C O V E R    L I F E   
Bee Hunt! Odonata Lepidoptera 
  HomeAll Living ThingsIDnature guidesGlobal mapperAlbumsLabelsSearch
  AboutNewsEventsResearchEducationProjectsStudy sitesHelp


Salix alaxensis (Andersson) Coville
FELTLEAF WILLOW
Life   Plantae   Dicotyledoneae   Salicaceae   Salix


Click on map for details about points.

IDnature guide

Links
  • Associates
  • Missouri Botanical Garden

  • We parsed the following live from the Web into this page. Such content is managed by its original site and not cached on Discover Life. Please send feedback and corrections directly to the source. See original regarding copyrights and terms of use.
  • Flora of North America

Associates · map
FamilyScientific name @ source (records)
Corticiaceae  Cytidia salicina @ BPI (1)
Cyphellaceae  Cyphella @ BPI (1)
Dermateaceae  Mollisia sublividula @ BPI (1)
Erysiphaceae  Uncinula salicis @ BPI (1)
Exidiaceae  Exidia glandulosa @ BPI (1)
Fomitopsidaceae  Daedalea confragosa @ BPI (1)
Hymenochaetaceae  Hymenochaete tabacina @ BPI (2)
Melampsoraceae  Melampsora bigelowii @ BPI (2)

Melampsora epitea @ BPI (1)

Melampsora paradoxa @ BPI (3)

Melampsora ribesii-purpureae @ BPI (1)
Mytilinidiaceae  Lophium dolabriforme @ BPI (1)
Pleosporaceae  Pleospora vulgaris @ BPI (1)
Polyporaceae  Fomes igniarius @ BPI (1)

Polyporus elegans @ BPI (2)
Psathyrellaceae  Ozonium auricomum @ BPI (1)
Rhytismataceae  Rhytisma salicinum @ BPI (1)
Stereaceae  Aleurodiscus @ BPI (1)
Stictidaceae  Stictis conotremoides @ BPI (1)
Ulvaceae  Solenia anomala @ BPI (1)
Valsaceae  Valsa boreella @ BPI (1)

Valsa @ BPI (1)
Xylariaceae  Hypoxylon mammatum @ BPI (1)

go to Discover Life's Facebook group

Following modified from Flora of North America
   Top | See original

Link to Flora of North America home
 
All Floras       Advanced Search
FNA Vol. 7 Page 25, 98, 146 , 148, 159 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Salicaceae | Salix

95. Salix alaxensis (Andersson) Coville, Proc. Wash. Acad. Sci. 2: 280. 1900.

Felt-leaf willow

Salix speciosa Hooker & Arnott var. alaxensis Andersson in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 16(2): 275. 1868

Shrubs or trees, 1-7 m. Stems: branches yellow-brown or red-brown, not glaucous, glabrous or villous; branchlets gray-brown or red-brown, glabrescent or villous. Leaves: stipules (sometimes marcescent), foliaceous, (3-23 mm), apex acuminate to acute; petiole convex to flat, or shallowly grooved adaxially, 3-20 mm, tomentose adaxially, (strongly ventricose around floral buds); largest medial blade broadly oblong, narrowly oblong, narrowly elliptic to elliptic, narrowly oblanceolate, oblanceolate, obovate, or broadly obovate, 50-110 × 13-35 mm, 2-4 times as long as wide, base cuneate or convex, margins strongly revolute, entire or crenate, apex acuminate, acute, or convex, abaxial surface glaucous or not (usually obscured by hairs, midrib yellowish), densely tomentose or villous-tomentose, hairs wavy, adaxial dull, sparsely or moderately densely villous (floccose) to glabrescent, (hairs white or gray); proximal blade margins entire; juvenile blade reddish or yellowish green (color often obscured by hairs), very densely woolly-tomentose abaxially, hairs white. Catkins flowering before leaves emerge; staminate stout, 23-55 × 13-27 mm, flowering branchlet 0-6 mm; pistillate densely flowered, slender to stout, 33-103 × 8-22 mm, flowering branchlet 0-13 mm; floral bract brown or black, 1.5-2-2.5 mm, apex acute to convex, abaxially sparsely hairy, hairs straight. Staminate flowers: adaxial nectary narrowly oblong to oblong, 0.5-1.4 mm; filaments distinct; anthers purple turning yellow, long-cylindrical, 0.6-0.9 mm. Pistillate flowers: adaxial nectary narrowly oblong, 0.6-1.6 mm; stipe 0-0.4 mm; ovary pyriform, (hairs refractive, wavy), beak gradually tapering to styles; ovules 14-18 per ovary; styles 1.3-2.8 mm; stigmas 0.4-0.99-1.28 mm. Capsules 4-5 mm.

Varieties 2 (2 in the flora): n North America, Asia (n, e Siberia).

Updated: 2024-04-27 02:18:06 gmt
Discover Life | Top
© Designed by The Polistes Corporation