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Ericameria discoidea

(Nutt.) Nesom

Sharp-scaled Goldenweed

G4Apparently Secure Found in 54 roadless areas NatureServe Explorer →
G4Apparently SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.148802
Element CodePDAST3L0N1
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusEricameria
Synonyms
Ericameria discoidea var. discoideaHaplopappus macronema var. macronema
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Taxonomic Comments
This record is for the treatment of Ericameria discoidea in the narrow sense, excluding E. linearis (treated by Kartesz (1994 and 1999) as a variety of E. discoidea) and E. winwardii (treated by Dorn and Delmatier (2005) as a variety of E. discoidea). FNA (2006, vol. 20) recognizes this narrow treatment.
Conservation Status
Review Date1991-08-05
Change Date1991-08-05
Edition Date1989-01-18
Edition AuthorsRusso, Mary (TNC WRO)
Rank Reasons
Data primarily/exclusively from Munz, 1973, Calif. Flora
Range Extent Comments
The range of this variety is from se. OR to sw. MT, south to CA and UT. The range of this species as a whole is c. ID, sw MT, south to CA, UT, and CO. Peripheral.
Ecology & Habitat

Description

Discoid Goldenweed is a low, rounded shrub with leafy stems that are 15-40 cm tall. Leaves are lance-shaped, widest above the middle, 1-3 cm long, and wavy-margined. The leaves and the inflorescence are glandular, the while stem is densely white-hairy. Flowering heads are borne in clusters of 1-3 at the ends of the branches. The glandular-hairy involucral bracts are 8-15 mm long, and the outer are broader and more leafy than the inner. Ray flowers are lacking. The 10-25 disk flowers are yellow and 8-11 mm long. The achenes have numerous, fine bristles on top.

Diagnostic Characteristics

The common H. SUFFRUTICOSUS does not have densely white-hairy stems. H. MACRONEMA VAR LINEARIS occurs in sagebrush grasslands at lower elevations. Species of CHRYSOTHAMNUS do not have glandular flower heads. A hand lens may be needed to determine these characters.
Other Nations (1)
United StatesNNR
ProvinceRankNative
OregonS3Yes
ColoradoS3Yes
MontanaS2Yes
NevadaS3Yes
CaliforniaSNRYes
IdahoSNRYes
UtahSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (54)
California (33)
AreaForestAcres
Birch CreekInyo National Forest28,816
Black CanyonInyo National Forest32,421
Boundary Peak (CA)Inyo National Forest210,884
Caples CreekEldorado National Forest17,854
Carson - IcebergStanislaus National Forest56,430
Coyote SoutheastInyo National Forest53,159
DardanellesEldorado National Forest8,110
Dexter CanyonInyo National Forest17,053
Hall Natural AreaInyo National Forest5,236
Hoover - Emma LakeHumboldt-Toiyabe National Forest1,007
Hoover - Mt.olsenHumboldt-Toiyabe National Forest624
Hoover - NorthHumboldt-Toiyabe National Forest1,574
Hoover - Virginia LksHumboldt-Toiyabe National Forest5,050
Horse Mdw.Inyo National Forest5,687
Iceberg - Wolf Ck LkHumboldt-Toiyabe National Forest175
Log Cabin SaddlebagInyo National Forest15,165
Long MeadowHumboldt-Toiyabe National Forest11,967
Mt. JacksonHumboldt-Toiyabe National Forest20,721
Mt. OlsenInyo National Forest2,161
NessieInyo National Forest830
NightStanislaus National Forest3,173
North LakeInyo National Forest2,406
Raymond PeakEldorado National Forest2,518
Rock Creek WestInyo National Forest3,626
San JoaquinSierra National Forest22,474
Sweetwater (CA)Humboldt-Toiyabe National Forest19,241
Table Mtn.Inyo National Forest4,215
TinemahaInyo National Forest27,060
Tioga LakeInyo National Forest829
Tragedy - Elephants BackEldorado National Forest20,866
Wheeler RidgeInyo National Forest15,744
Wild Horse Mtn. (CA)Humboldt-Toiyabe National Forest28,822
Wonoga Pk.Inyo National Forest11,272
Colorado (1)
AreaForestAcres
Bristol HeadRio Grande NF46,087
Nevada (9)
AreaForestAcres
Boundary Peak (NV)Inyo National Forest21,851
Copper Mtns.Humboldt-Toiyabe National Forest31,945
Humboldt - Angel LkHumboldt-Toiyabe National Forest1,008
Rose - GalenaHumboldt-Toiyabe National Forest3,711
Ruby - Lamoille CynHumboldt-Toiyabe National Forest32,771
Ruby - MarshHumboldt-Toiyabe National Forest10,164
Ruby - SegundaHumboldt-Toiyabe National Forest12,532
Ruby - ThompsonHumboldt-Toiyabe National Forest5,289
South SchellHumboldt-Toiyabe National Forest125,614
Utah (11)
AreaForestAcres
418026Uinta National Forest14,038
418028Uinta National Forest34,002
418029Uinta National Forest15,673
418040Uinta National Forest1,702
Bullion - DelanoFishlake National Forest14,917
HancockDixie National Forest9,809
Mt. OlympusWasatch-Cache National Forest9,982
Stansbury MountainsWasatch-Cache National Forest39,696
Tushar MountainFishlake National Forest39,992
Twin PeaksWasatch-Cache National Forest6,157
White PineWasatch-Cache National Forest1,942
References (9)
  1. Dorn, R. D., and C. H. Delmatier. 2005. A new variety of <i>Ericameria discoidea </i>(Asteraceae) from Idaho and Wyoming. Madrono 52(1):63-65.
  2. Flora of North America Editorial Committee (FNA). 2006b. Flora of North America north of Mexico. Vol. 20. Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford Univ. Press, New York. xxii + 666 pp.
  3. Hall, H.M. 1928. The genus <i>Haplopappus</i>: A phylogenetic study in the Compositae. Carnegie Institution of Washington, Washington D.C. 391 pp.
  4. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  5. Lesica, P. 1992k. Vascular plant and sensitive plant species inventory for the Highland Mountains, Deerlodge National Forest. Unpublished report prepared for the Deerlodge National Forest. Montana Natural Heritage Program, Helena, MT. 21 pp. plus appendices, photographs.
  6. Lesica, P. 1994d. Sensitive plant survey of BLM Lands along the Big Hole River and in the Whitehall Valley. Montana Natural Heritage Program, Helena, MT. 13 pp.
  7. Schassberger, L. A. 1991. Rare plant inventory of the East Pioneer Mountains. Prepared for the USDA Forest Service, Region 1, Beaverhead National Forest. Montana Natural Heritage Program, Helena, MT. 55 pp.
  8. Vanderhorst, J. P. and P. Lesica. 1994. Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana. Unpublished report to the Bureau of Land Management, Butte District. Montana Natural Heritage Program, Helena, MT. 59 pp. plus appendices.
  9. Winkler, G. 1987. Montana CHRYSOTHAMNUS. M.S. thesis. Montana State University, Bozeman. 94 pp.