Difference between revisions of "Gutierrezia sarothrae"

(Pursh) Britton & Rusby

Trans. New York Acad. Sci. 7: 10. 1887.

Common names: Kindlingweed
Basionym: Solidago sarothrae Pursh Fl. Amer. Sept. 2: 540. 1813
Synonyms: Xanthocephalum sarothrae (Pursh) Shinners
Treatment appears in FNA Volume 20. Treatment on page 92. Mentioned on page 90, 93, 94.
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Revision as of 20:26, 16 December 2019

Subshrubs, 10–60(–100) cm. Stems minutely hispidulous. Leaves: basal and proximal absent at flowering; cauline blades 1- or 3-nerved, linear to lanceolate, sometimes filiform and fascicled, 1.5–2(–3) mm wide, little reduced distally. Heads (sessile to subsessile in compact glomerules) in dense, flat-topped, corymbiform arrays. Involucres cylindric to cuneate-campanulate, 1.5–2(–3) mm diam. Phyllary apices flat. Ray florets (2–)3–8; corollas yellow, 3–5.5 mm. Disc florets (2–)3–9 (usually bisexual and fertile, rarely functionally staminate, corollas tubular-funnelform, lobes erect to spreading or recurved, deltate). Cypselae 0.8–1.6(–2.2) mm, faces without oil cavities, densely strigoso-sericeous; pappi of 1–2 series of narrowly oblong- to ovate-lanceolate or obovate scales (readily falling, those of discs 1/3–1/2 corollas, shorter on rays). 2n = 8, 16, 32.


Phenology: Flowering Jul–Nov(–Jan).
Habitat: Grasslands, commonly on rocky, open slopes
Elevation: 50–2900 m

Distribution

V20-178-distribution-map.gif

Alta., Man., Sask., Ariz., Calif., Colo., Idaho, Kans., Minn., Mont., Nebr., Nev., N.Mex., N.Y., N.Dak., Okla., Oreg., S.Dak., Tex., Utah, Wash., Wyo., Mexico (Baja California, Baja California Sur, Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sonora, Zacatecas).

Discussion

Gutierrezia sarothrae is often abundant in overgrazed pastures; it is naturalized in New York.

Selected References

None.

Lower Taxa

None.
... more about "Gutierrezia sarothrae"
Guy L. Nesom +
(Pursh) Britton & Rusby +
Solidago sarothrae +
Kindlingweed +
Alta. +, Man. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Kans. +, Minn. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Y. +, N.Dak. +, Okla. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wyo. +, Mexico (Baja California +, Baja California Sur +, Chihuahua +, Coahuila +, Durango +, Nuevo León +, San Luis Potosí +, Sonora +  and Zacatecas). +
50–2900 m +
Grasslands, commonly on rocky, open slopes +
Flowering Jul–Nov(–Jan). +
Trans. New York Acad. Sci. +
Xanthocephalum sarothrae +
Gutierrezia sarothrae +
Gutierrezia +
species +