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Salix monochroma C. R. Ball
Life   Plantae   Dicotyledoneae   Salicaceae   Salix

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FamilyScientific name @ source (records)
Melampsoraceae  Melampsora bigelowii @ BPI (1)

Melampsora epitea @ BPI (2)

Melampsora humboldtiana @ BPI (1)

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Salix monochroma C.R. Ball
onecolor willow

General Information
Symbol: SAMO4
Group: Dicot
Family: Salicaceae
Duration: Perennial
Growth Habit : Shrub
Native Status : L48   N
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Native Status:
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Symbol Scientific Name
SAERM Salix eriocephala Michx. var. monochroma (C.R. Ball) Dorn


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 monochroma C.R. Ball – onecolor willow

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Arid West FACW
Western Mountains, Valleys, and Coast FACW

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Source Large Mammals Small Mammals Water Birds Terrestrial Birds


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 102, 124 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Salicaceae | Salix

73. Salix monochroma C. R. Ball, Bot. Gaz. 71: 431, fig. 1. 1921.

One-color willow

Salix eriocephala Michaux var. monochroma (C. R. Ball) Dorn

Shrubs, 2-4 m. Stems: branches yellow-brown, gray-brown, or red-brown, not glaucous, glabrous; branchlets yellow-brown or red-brown, (sometimes weakly glaucous, with sparkling wax crystals), glabrous or puberulent. Leaves: stipules foliaceous, (prominent), apex rounded or acute; petiole convex to flat, or shallowly grooved adaxially, 6-16 mm, velvety or pilose adaxially; largest medial blade narrowly oblong, elliptic, or broadly elliptic, 54-100 × 18-35 mm, 1.8-3.6 times as long as wide, base convex, rounded, subcordate, or cordate, margins flat, serrate or serrulate (teeth sometimes elongate), apex acuminate to acute, abaxial surface not glaucous, glabrous, adaxial dull, glabrous or pilose, midrib hairy; proximal blade margins entire or serrulate; juvenile blade reddish or yellowish green, glabrous or sparsely short- or long-silky abaxially, hairs white. Catkins flowering as or just before leaves emerge; staminate stout or slender, 24-43(-52 in fruit) × 6-11 mm, flowering branchlet 1-4 mm; pistillate moderately densely to loosely flowered, stout, 33-73 × 8-16 mm, flowering branchlet 2-12 mm; floral bract brown, 0.7-1.6 mm, apex rounded, convex, or acute, abaxially hairy throughout or proximally, hairs wavy or curly. Staminate flowers: adaxial nectary narrowly oblong, 0.6-1.1 mm; filaments distinct or slightly connate, glabrous; anthers purple turning yellow, (ellipsoid or shortly cylindrical), 0.5-0.7 mm. Pistillate flowers: adaxial nectary narrowly oblong, oblong, or flask-shaped, 0.3-1.1 mm, shorter than stipe; stipe 1.4-3.6 mm; ovary pyriform, glabrous, beak sometimes slightly bulged below styles; ovules 18-22 per ovary; styles 0.2-0.5 mm; stigmas flat, abaxially non-papillate with rounded tip, or broadly cylindrical, 0.2-0.23-0.26 mm. Capsules 3.6-5.2 mm.

Flowering early-mid May. Silty or stony stream margins; 150-2200 m; Idaho, Oreg., Wash.

Updated: 2019-08-26 06:51:53 gmt
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