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Solidago wrightii var. guadalupensis
(Guadalupe Mountains goldenrod)

[taxon report][distribution map][all photos][line drawing]

Family: Asteraceae

Scientific Name: Solidago wrightii A. Gray var. guadalupensis G.L. Nesom

Synonyms: None

Vernacular Name: Guadalupe Mountains goldenrod

R-E-D Code: 2-1-2

Description: Subrhizomatous clumped perennial herb; stem 3-7 dm long, ascending to erect; upper stems sparsely to densely hirsute, eglandular; leaves alternate, lanceolate, 3-6 cm long, 4-7 mm wide, narrowly lanceolate to linear-lanceolate on the upper plant; inflorescence subcorymboid 3-6 (-9) cm long and broad; heads 9-12 mm wide; rays about 4 mm long, 2 mm wide, rather large and showy for members of Solidago; phyllaries glabrous to minutely sessile-glandular; achenes mostly glabrous (rarely strigose). Flowering June to August.

Similar Species: Solidago wrightii var. guadalupensis can be distinguished from other taxa treated within S. wrightii by its narrow lanceolate leaves (3-6 cm long by 4-7 mm wide as compared to 3-6 cm long by 10-15 mm wide in other taxa) and mostly glabrous achenes.

Distribution: New Mexico, Chaves and Eddy counties; Texas, Culberson County.

Habitat: Limestone outcrops and substrates, most commonly associated with the following vegetation types: acacia-juniperus-dasylirion-lechuguilla, oak, oak-maple, and yellow pine-maple-hophornbeam-madrone; 1,340-2,200 m (4,300-7,100 ft).

Remarks: None

Conservation Considerations: The taxon occurs in just two broad population systems. Additional field work is needed to determine abundance and potential land use impacts.

Important Literature (*Illustration):

Correll, D.S. and M.C. Johnston. 1970. Manual of the vascular plants of Texas. Texas Research Foundation, Renner, Texas.

Nesom, G. 2008. Taxonomic review of Solidago petiolaris and S. wrightii (Asteraceae: Astereae). Phytologia 90(1):21-35.

Information Compiled By: Donovan Bailey, 2009

Agency Status:
Taxon USFWS State of NM USFS BLM Navajo Nation Natural Heritage NM Global Rank
Solidago wrightii var. guadalupensisSoCSoCSen..S2G4T3

Photo credits in header Peniocereus greggii var. greggii © T. Todsen,
Lepidospartum burgessii © M. Howard, Argemone pleiacantha ssp. pinnatisecta © R. Sivinski
©2005 New Mexico Rare Plant Technical Council