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


Salix arizonica Dorn
ARIZONA WILLOW
Life   Plantae   Dicotyledoneae   Salicaceae   Salix


Click on map for details about points.

IDnature guide

Links
go to Discover Life's Facebook group

Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=SAAR14 ---> https://plants.usda.gov/java/profile?symbol=SAAR14
https://plants.usda.gov/java/profile?symbol=SAAR14 ---> http://plants.usda.gov/core/profile?symbol=SAAR14
http://plants.usda.gov/core/profile?symbol=SAAR14 ---> https://plants.usda.gov/core/profile?symbol=SAAR14
Link: Skip repetitive navigation links
USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home  about PLANTS  PLANTS Team  Partners of PLANTS  What  National Plant Data Team Web Site  Help using PLANTS  Contact PLANTS
 
 Search the PLANTS Web site
 Name Search

 State Search
 Advanced Search
 Search Help
PLANTS Topics
 
 Alternative Crops
 Characteristics
 Classification
 Cover Crops
 Culturally Significant
 Distribution Update
 Documentation
 Fact Sheets & Plant Guides
 Introduced, Invasive, and Noxious Plants
 Threatened & Endangered
 Wetland Indicator Status
 
PLANTS Image Gallery
 
 50,000+ Plant Images
 
Download PLANTS data
 
 Complete PLANTS Checklist
 State PLANTS Checklist
 Advanced Search Download
 Symbols for Unknown Plants
 NRCS State GSAT Lists
 NRCS State Plants Lists
 
Related tools
 
 Crop Nutrient Tool
 Ecological Site Information System
 PLANTS Identification Keys
 Plant Materials Web Site
 Plant Materials Publications
 USDA Plant Hardiness Map
 
 
You are here: Home / Plant Profile

Salix arizonica Dorn
Arizona willow


General Information
Symbol: SAAR14
Group: Dicot
Family: Salicaceae
Duration: Perennial
Growth Habit : Shrub
Native Status : L48   N
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



slideshow

Synonyms

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 arizonica Dorn – Arizona willow

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Arid West OBL
Great Plains OBL
Western Mountains, Valleys, and Coast FACW

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (SAAR14)
Integrated Taxonomic Information System (SAAR14)
The Center for Plant Conservation (SAAR14)

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


 PLANTS Home | USDA.gov | NRCS | Site Map | Policies and Links
Accessibility Statement | Privacy Policy | Non-Discrimination Statement

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 28, 87, 102, 107, 109 , 110, 112 , 113, 123 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Salicaceae | Salix

59. Salix arizonica Dorn, Canad. J. Bot. 53: 1499. 1975.

Arizona willow

Plants 0.3-2.6 m. Stems: branches red-brown or yellow-brown, not or weakly glaucous, glabrous or pilose at nodes; branchlets yellow-green, red-brown, or brownish, pilose. Leaves: stipules foliaceous, apex convex or rounded; petiole convex to flat, or shallowly grooved adaxially, 2-7.5 mm, villous or pubescent to glabrescent adaxially; largest medial blade (sometimes amphistomatous), elliptic or broadly elliptic, 20-50 × 10-31 mm, 1.6-2-2.8(-3.6) times as long as wide, base convex, rounded, or cordate, margins flat, serrulate or entire, apex acute, convex, or acuminate, abaxial surface not glaucous, pilose or glabrous, hairs wavy, adaxial slightly glossy, pilose or glabrous; proximal blade margins entire, serrulate, or crenulate; juvenile blade green, glabrous or pilose abaxially, hairs white. Catkins flowering as leaves emerge; staminate stout, subglobose, or globose, 7-17 × 6-10 mm, flowering branchlet 1-3 mm; pistillate densely or moderately densely flowered, stout or subglobose, 12-38 × 6-12 mm, flowering branchlet 1.5-10 mm; floral bract brown, black, or bicolor, 1-2 mm, apex acute or convex, abaxially hairy, hairs wavy. Staminate flowers: adaxial nectary narrowly oblong to oblong, 0.4-0.8 mm; filaments distinct, glabrous; anthers purple turning yellow, 0.4-0.6 mm. Pistillate flowers: adaxial nectary narrowly oblong to oblong, 0.4-1 mm, shorter to longer than stipe; stipe 0.2-1 mm; ovary pyriform, glabrous, beak gradually tapering to or slightly bulged below styles; ovules 8-12 per ovary; styles 0.5-1.2 mm; stigmas broadly cylin-drical, 0.14-0.21-0.36 mm. Capsules 3.2-4.5 mm. 2 n = 38.

Flowering late May-late Jun. Subalpine sedge meadows, along streams, wet drainageways, cienegas; of conservation concern; 2600-3400 m; Ariz., Colo., N.Mex., Utah.

Salix arizonica is very similar to S. boothii . They were separated by Dorn on the presence of five flavonoid compounds identified in S. boothii not found in S. arizonica . Some morphological differences were noted but the characters used to separate them are quite variable. The most important feature seems to be the usually broader leaves of S. arizonica . In addition, the diploid chromosome number for S. arizonica separates it from the tetraploid S. boothii . Although the two are distinct species, the overlap in their morphological characters suggests that positive identification needs to be based on chromosome number or chromatographic analysis.

Salix arizonica is distinguished from S. boothii by having stipule apices convex to rounded, petioles 3-7.5 mm, juvenile blades glabrous or hairy, hairs white, largest medial blades elliptic or broadly elliptic, 20-50 mm, 1.6-3.6 times as long as wide, abaxial surfaces with white hairs, staminate catkins 1-1.7 times as long as broad, pistillate catkins 1.2-2.8 times as long broad, floral bract apices acute to convex, nectaries narrowly oblong to oblong, staminate nectaries 0.4-0.8 mm, anthers 0.4-0.6 mm, filaments distinct, glabrous, pistillate nectaries shorter to longer than stipes, stipes 0.2-1 mm, stigmas broadly cylindrical, and capsules 3.2-4.5 mm; S. boothii has stipule apices acuminate or acute to rounded, petioles 3-17 mm, juvenile blades hairy, hairs white, sometimes also ferruginous, largest medial blades lorate to narrowly or broadly elliptic, 26-102 mm, 2-5.2 times as long as wide, abaxial surfaces with white, sometimes also ferruginous, hairs, staminate catkins 1.2-3.1 times as long as broad, pistillate catkins 1.4-4.1 times as long as broad, floral bract apices rounded or retuse, nectaries narrowly oblong to ovate or flask-shaped, staminate nectaries 0.6-1.5 mm, anthers 0.48-0.8 mm, filaments distinct to connate about half their lengths, glabrous or hairy, pistillate nectaries shorter than stipes, stipes 0.5-2.5 mm, stigmas flat, abaxially non-papillate with rounded tip, slenderly cylindrical or plump, and capsules 2.5-6 mm.

Salix arizonica , originally known from Mt. Baldy in east-central Arizona, was proposed for listing under the United States Endangered and Threatened Wildlife and Plants Act, but the proposal was withdrawn when additional populations were discovered in southern Utah and in New Mexico; it is now listed as a "sensitive species" (K. Decker, www.fs.us/r2/projects/scp/assessments/salixarizonica.pdf). Major conservation concerns are from browsing by cattle and elk (J. Maschinski 2001) and Melampsora infection (M. L. Fairweather 1993; R. A. Obedzinski et al. 2001). The Arizona populations receive minimal protection from cattle and wildlife browsing by exclosures and by introduction into new localities. The Arizona and Utah populations have a genetic similarity of ca. 37%, which has been attributed to a period of panmixis followed by a long period of isolation in regions with different environments (J. T. Thompson et al. 2003).

Salix arizonica is in the Center for Plant Conservation's National Collection of Endangered Plants.

Hybrids:

Salix arizonica forms natural hybrids with S. brachycarpa, S. eastwoodiae , and S. lutea .

Salix arizonica × S. brachycarpa var. brachycarpa occurs in southern Utah. Its parentage is supported by chromatographic data (E. D. McArthur, pers. comm.).

Updated: 2019-10-19 19:27:53 gmt
Discover Life | Top
© Designed by The Polistes Corporation