Difference between revisions of "Gutierrezia serotina"
Pittonia 4: 57. 1899.
Common names: Late snakeweed
Synonyms: Gutierrezia polyantha A. Nelson
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|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Gutierrezia | |genus=Gutierrezia | ||
Revision as of 16:21, 18 September 2019
Subshrubs, 15–30 cm. Stems glabrous. Leaves: basal absent at flowering; cauline blades 1-nerved, linear to filiform, 0.5–1 mm wide, reduced distally. Heads borne singly or (sessile in glomerate clusters of 3–5) in loose arrays. Involucres narrowly campanulate (lengths ± equaling diams.), 3–4 mm diam. Phyllary apices flat. Ray florets 4–9; corollas yellow, 2.3–4(–5.4) mm. Disc florets (8–)10–12(–17). Cypselae 1–1.2 mm, faces densely strigoso-sericeous (hairs ± twisted, apically attenuate); pappi of 1–2 series of oblanceolate scales 0.5–1 mm. 2n = 8.
Phenology: Flowering Apr–May and/or Aug–Oct.
Habitat: Grasslands, Larrea flats
Elevation: 400–1200 m
Discussion
Selected References
None.
Lower Taxa
None.