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Salix discolor . Muhl
GLAUCOUS WILLOW
Pussy willow

Life   Plantae   Dicotyledoneae   Salicaceae   Salix

Salix discolor, pollen
© Copyright UDEL Pollen 2014 · 1
Salix discolor, pollen

Click on map for details about points.

Links

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Andrena carlini @ CUIC_ENT (3)

Andrena frigida @ CUIC_ENT (1)

Andrena sigmundi @ CUIC_ENT (2); AMNH_BEE (1)
Aphididae  Chaitophorus viminalis @ AMNH_PBI (5)

Pterocomma populifoliae @ CSCA_TCN (3)
Apidae  Bombus terricola @ UCMS_ENT (1)
Botryosphaeriaceae  Botryosphaeria ribis @ BPI (1)

Macrophoma @ BPI (2)

Sphaeropsis salicis @ BPI (1)
Capnodiaceae  Capnodium salicinum @ BPI (1)
Colletidae  Colletes inaequalis @ BBSL (1)
Corticiaceae  Cytidia salicina @ BPI (4)
Cucurbitariaceae  Cucurbitaria borealis @ BPI (1)
Dermateaceae  Gloeosporium niveum @ BPI (3)

Marssonina kriegeriana @ BPI (1)
Diaspididae  Diaspidiotus aesculi @ CSCA_TCN (1)
Elsinoaceae  Sphaceloma murrayae @ BPI (1)
Erysiphaceae  Uncinula adunca @ BPI (4)

Uncinula salicis @ BPI (27)
Fomitopsidaceae  Daedalea confragosa @ BPI (2)

Daedalea unicolor @ BPI (1)
Hyponectriaceae  Physalospora gregaria @ BPI (2)

Physalospora malorum @ BPI (1)
Melampsoraceae  Melampsora abieti-capraearum @ BPI (11)

Melampsora abietis-capraearum @ BPI (1)

Melampsora bigelowii @ BPI (14)

Melampsora epitea @ BPI (3)

Melampsora farinosa @ BPI (1)

Melampsora humboldtiana @ BPI (1)

Melampsora paradoxa @ BPI (2)

Melampsora ribesii-purpureae @ BPI (1)
Miridae  Blepharidopterus diaphanus @ AMNH_PBI (1)

Psallus aethiops @ AMNH_PBI (2)
Mycosphaerellaceae  Ramularia rosea @ BPI (7)
Nectriaceae  Nectria cinnabarina @ BPI (1)
Polyporaceae  Lenzites crataegi @ BPI (1)

Polyporus nidulans @ BPI (1)

Polyporus pargamenus @ BPI (1)

Poria laevigata @ BPI (1)
Rhytismataceae  Rhytisma salicinum @ BPI (14)
Sclerotiniaceae  Ciboria caucus @ BPI (4)
Trichocomaceae  Eurotium herbariorum @ BPI (1)
Ulvaceae  Solenia anomala @ BPI (1)
Valsaceae  Cytospora chrysosperma @ BPI (1); 364965A (1); 364965C (1); 364965B (1)

Cytospora translucens @ BPI (1)

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

Hypoxylon tinctor @ BPI (1)
_  Fumago vagans @ BPI (1)

Septogloeum salicinum @ BPI (1)

Trimmatostroma americana @ BPI (1)

Trimmatostroma salicis @ BPI (1)

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Following modified from Virginia Tech Dendrology
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=SADI ---> https://plants.usda.gov/java/profile?symbol=SADI
https://plants.usda.gov/java/profile?symbol=SADI ---> http://plants.usda.gov/core/profile?symbol=SADI
http://plants.usda.gov/core/profile?symbol=SADI ---> https://plants.usda.gov/core/profile?symbol=SADI
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You are here: Home / Plant Profile

Salix discolor Muhl.
pussy willow

Image of Salix discolor

General Information
Symbol: SADI
Group: Dicot
Family: Salicaceae
Duration: Perennial
Growth Habit : Shrub
Tree
Native Status : CAN   N
L48   N
Characteristics
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Salix thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 599. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
SAAN7 Salix ancorifera Fernald
SACO17 Salix conformis Forbes
SACR6 Salix crassa Barratt
SADIO Salix discolor Muhl. var. overi C.R. Ball
SADIP Salix discolor Muhl. var. prinoides (Pursh) Andersson
SADIR Salix discolor Muhl. var. rigidior (Andersson) C.K. Schneid.
SAFU5 Salix fuscata Pursh
SAPR8 Salix prinoides Pursh
SASE11 Salix sensitiva Barratt
SASQ2 Salix squamata Rydb.

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Salicales
Family Salicaceae – Willow family
Genus Salix L. – willow
Species Salix discolor Muhl. – pussy willow

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Kentucky pussy willow Historical

Wetland Status

Interpreting Wetland Status

North America
Arid West FACW
Atlantic and Gulf Coastal Plain FACW
Eastern Mountains and Piedmont FACW
Great Plains FACW
Midwest FACW
Northcentral & Northeast FACW
Western Mountains, Valleys, and Coast FACW

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (SADI)
Integrated Taxonomic Information System (SAAN7)
Integrated Taxonomic Information System (SACO17)
Integrated Taxonomic Information System (SACR6)
Integrated Taxonomic Information System (SADI)
Integrated Taxonomic Information System (SADIO)
Integrated Taxonomic Information System (SADIP)
Integrated Taxonomic Information System (SADIR)
Integrated Taxonomic Information System (SAFU5)
Integrated Taxonomic Information System (SAPR8)
Integrated Taxonomic Information System (SASE11)
Integrated Taxonomic Information System (SASQ2)
Lady Bird Johnson Wildflower Center Native Plant Information Network (SADI)
Native American Ethnobotany (University of Michigan - Dearborn) (SADI)
USDA Forest Service Fire Effects Information System (SADI)
University of Wisconsin - Stevens Point Freckmann Herbarium (SADI)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 7 Page 47, 57, 97, 98, 116, 119, 121, 124 , 126 , 127, 130, 133, 135, 137, Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Salicaceae | Salix

76. Salix discolor Muhlenberg, Ges. Naturf. Freunde Berlin Neue Schriften. 4: 236, plate 6, fig. 1. 1803.

Pussy or large pussy willow

Salix ancorifera Fernald; S. discolor var. overi C. R. Ball; S. discolor var. prinoides (Pursh) Andersson

Shrubs, 2-4(-8) m, (sometimes forming clones by stem fragmentation). Stems: branches dark red-brown or yellow-brown, not to strongly glaucous, villous to glabrescent, (peeled wood smooth or striate, striae sometimes very dense, to 10 mm); branchlets yellowish, red-brown, or yellow-brown, or dark brown, moderately densely velvety, velutinous, or tomentose to glabrescent. Leaves: stipules rudimentary on early ones, foliaceous on late ones, (0.8-12.5 mm), apex acute to acuminate; petiole convex to flat adaxially, 6-17 mm, tomentose adaxially; largest medial blade narrowly elliptic, elliptic, oblanceolate, or obovate, 30-80(-135) × 12-33 mm, (2.3-)3-3.5(-4.5) times as long as wide, base convex or cuneate, margins flat, crenate, irregularly toothed, sinuate, or entire, apex acute, convex, or acuminate, abaxial surface glaucous, glabrous, pilose, sparsely pubescent or long-silky, midrib glabrous or densely pubescent, hairs (white, sometimes also ferruginous), wavy, adaxial dull or slightly glossy, glabrous or pilose, (hairs rarely ferruginous); proximal blade margins entire or serrulate; juvenile blade reddish or yellowish green, pilose, tomentose or moderately densely short-silky abaxially, hairs white and ferruginous. Catkins flowering before leaves emerge; staminate stout or subglobose, 23-52 × 12-22 mm, flowering branchlet 0-3 mm; pistillate densely flowered (loose in fruit), slender or stout, 25-108(-135 in fruit) × 12-33 mm, flowering branchlet 0-10 mm; floral bract brown, black, or bicolor, 1.4-2.5 mm, apex acute or convex, abaxially hairy, hairs straight. Staminate flowers: adaxial nectary oblong, 0.6-1.1 mm; filaments distinct, glabrous or hairy basally; anthers yellow or purple turning yellow, ellipsoid or short- or long-cylindrical, 0.5-1 mm. Pistillate flowers: adaxial nectary oblong or ovate, 0.7-1.3 mm, shorter than stipe; stipe 1.6-2.7 mm; ovary obclavate or pyriform, short-silky (hairs straight), beak sometimes slightly bulged below styles; ovules 6-16 per ovary; styles 0.3-1 mm; stigmas slenderly or broadly cylindrical, 0.48-0.64-0.88 mm. Capsules 6-11 mm. 2 n = 76, 95, 114.

Flowering early Apr-late May. Marshy margins of ponds, streams, and open alluvial woods, fens, seepage areas, peaty substrates; 0-2400 m; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask.; Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Pa., R.I., S.Dak., Vt., W.Va., Wis., Wyo.

Salix discolor is introduced in North Carolina.

Vegetative specimens of Salix discolor can be difficult to distinguish from S. planifolia , but there are two, somewhat variable, characters that can be used. Salix discolor usually has leaves dull adaxially, with arcuate secondary veins widely and irregularly spaced; S. planifolia has leaves slightly or highly glossy adaxially, with straight secondary veins closely and regularly spaced.

Salix discolor in northeastern United States can be difficult to distinguish from widely naturalized S. atrocinerea and S. cinerea . Useful diagnostic characters are: tertiary leaf veins, which are irregular in S. discolor but close and parallel in introduced species, and raised striae on peeled 3-5-year old branches, which are absent or indistinct and relatively short in S. discolor , but long and very prominent in the introductions.

Hybrids:

Salix discolor forms natural hybrids with S. humilis, S. interior, S. myricoides, S. pellita , and S. planifolia . Reports of hybrids with S. candida and S. eriocephala (M. L. Fernald 1950), and S. bebbiana and S. pyrifolia (C. K. Schneider 1921; Fernald), are not based on convincing specimens. Synthetic hybrids with S. bebbiana could not be made (G. W. Argus 1974; A. Mosseler 1990) and those made with S. eriocephala had low seed viability (Mosseler).

Salix discolor × S. humilis has tomentose leaves of S. humilis and longer catkins and styles of S. discolor (G. W. Argus 1986). These species readily hybridize and produce abundant seed (Argus 1974). The hybrids are fertile and backcross. Specimens of S. discolor with densely villous branchlets may be hybrids or introgressants with S. humilis . The two species usually are ecologically isolated; S. discolor occurs in wetland thickets and S. humilis in dry, sandy upland forests. Where the two habitats come into proximity, hybrids occur but large swarms have not been observed.

Salix discolor × S. myricoides ( S. × laurentiana Fernald, syn. S. paraleuca Fernald) usually resembles S. myricoides but has hairy ovaries (R. D. Dorn 1975, 1976). This hybrid was originally described as a species, from lower St. Lawrence River, Quebec. Its most distinctive feature is that hairs appear on ovaries in patches, at the base or, sometimes, only on the stipes. A similar ovary indumentum pattern appears in other hybrids or species of hybrid origin, e.g., S. hookeriana . Characteristics of S. discolor found in S. ×laurentiana include epidermis with gray-margined splits, leaf margins entire or sinuate, leaves with 2-4 teeth per cm, anthers yellow or purple, filaments hairy on proximal half or basally, ovaries hairy, greenish brown or green with red sutures, and adaxial pistillate nectaries ovate. Characteristics of S. myricoides include inner bud-scale membranes separating from the outer ones, stipules more prominent, catkins on distinct flowering branchlets, and longer styles sometimes distinct about half their lengths. This hybrid occurs throughout the area of overlap of the parents. All three taxa often are intermixed but few hybrids seem to produce well-developed seed.

Salix discolor × S. pellita ( S. ×pedunculata Fernald) is characterized by juvenile leaves with infolded or sometimes revolute margins, ovaries with patches of hairs relatively short, flattened, crinkled, and refractive, and catkins borne on distinct flowering branchlets 2-10 mm. This sporadic hybrid does not seem to be fertile. It occurs in Newfoundland, Quebec, and Saskatchewan. Although it has been collected at few localities, it probably is more common and should be expected wherever the two species grow together. The type and other collections compare very well with synthetic hybrids (A. Mosseler 1990), which were reported to show a high hybridization success rate, high F 1 pollen viability, and high seedling viability. It was suggested that variability within these species may be due to interspecific gene flow. In interpreting the parentage of the wild hybrids it is not possible to rule out hybridization of S. planifolia or S. myricoides with S. pellita , or that these hybrids may be S. myricoides × S. planifolia , as suggested by B. G. O. Floderus (1939). Salix ×pellicolor Lepage is a later synonym of this hybrid.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Salix+discolor&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Salix+discolor&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 32
Query: SELECT * FROM img WHERE ready=1 and taxon like "Salix discolor%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Salix discolor
Salix discolor
Dune Willow
ID: 2222 0703 0005 0001 [detail]
© University of California Museum of Paleontology

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0851 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0852 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0853 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0854 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0855 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0856 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0857 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0858 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0859 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0860 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0861 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0862 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0863 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0864 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0865 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0866 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0867 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0868 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0869 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0870 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0871 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0872 [detail]
© 2016 Keir Morse

Salix discolor
Salix discolor
Large Pussy Willow
ID: 0000 1111 2222 0873 [detail]
© 2016 Keir Morse

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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