Gutierrezia serotina Greene
Family: Asteraceae
late snakeweed
[Gutierrezia polyantha A. Nels.]
Gutierrezia serotina image
Eugene, (Gene) Sturla  
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. Flowering Apr-May and/or Aug-Oct. Grasslands, Larrea flats; 400-1200 m; Ariz.
FNA 2006
Common Name: late snakeweed Duration: Perennial Nativity: Native Lifeform: Subshrub General: Subshrub 15-30 cm tall with herbaceous, green stems sometimes slightly woody at base, stems glabrous. Leaves: Single-nerved, linear to filiform, reduced near the uppermost portion of the stem, basal leaves absent at flowering. Flowers: Heads borne singly or in sessile in clusters of 3-5, presented in loose arrays. Involucres narrowly campanulate, 3-4 mm diameter and high, (generally equal in length and width). Rays yellow, 4-9, discs 10-12. Fruits: Cypselae 1-1.2 mm, faces densely strigose with twisted, pointed hairs, pappi in series of 1-2 of oblanceolate scales. Ecology: Found in grasslands and Larrea flats, 1,500-4,000 ft (457-1219 m); flowers April-October. Notes: The 3-4 mm involucres that are generally equal in length and width are the key to this species. Ethnobotany: Specific use of species unknown, but uses for the genus include an infusion of the plant taken as a ceremonial emetic and to treat digestive disorders. Etymology: Gutierrezia is named for Pedro Gutierrez (Rodriguez), a 19th century Spanish noblemen and botanist. Synonyms: None Editor: LCrumbacher, 2011
Gutierrezia serotina image
Eugene, (Gene) Sturla  
Gutierrezia serotina image
Eugene, (Gene) Sturla  
Gutierrezia serotina image
Eugene, (Gene) Sturla  
Gutierrezia serotina image
Eugene, (Gene) Sturla  
Gutierrezia serotina image
Eugene, (Gene) Sturla  
Gutierrezia serotina image
Eugene, (Gene) Sturla  
Gutierrezia serotina image
Gutierrezia serotina image
Anthony Mendoza  
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