Zaluzania grayana Robins. & Greenm. (redirected from: Viguiera triloba)
Family: Asteraceae
[Viguiera triloba (A. Gray) J. Olsen]
Zaluzania grayana image
Richard Spellenberg  

Leaf blades 2-8 × 1-6 cm, ultimate margins coarsely toothed, faces sparsely strigillose and gland-dotted. Ray laminae 15-20 mm. Cypselae 2-3 mm. 2n = 34.

Flowering summer-fall. Rocky sites, canyon walls; 1500-2700 m; Ariz., N.Mex.; Mexico (Chihuahua).

FNA 2006, Kearney and Peebles 1969

Duration: Perennial

Nativity: Native

Lifeform: Subshrub

General: Herbaceous perennials, suffrutescent, stems branching, herbage slightly pubescent.

Leaves: Alternate, ovate, 3-lobed, 2-8 cm long and 1-6 cm wide, the ultimate margins coarsely toothed, faces sparsely stiff hairs and gland-dotted.

Flowers: Heads radiate, rays yellow, laminae 5-20 mm long, pistillate, loosely clustered, disk flowers yellow, numerous, receptacles conic, heads mostly solitary on branch tips.

Fruits: Achenes 2-3 mm long, quadrangular, without pappi, Ray pappus with a few short scales.

Ecology: Found in rocky areas on slopes and canyon walls, from 5,000-9,000 ft (1524-2743 m); flowering July-September.

Distribution: Arizona, New Mexico; Mexico.

Notes: Look to the yellow, scattered rays, the conic receptacle, and the epappose quadrangular achenes of the disk flowers to help identify this species.

Ethnobotany: Unknown

Etymology: Zaluzania is thought to be named for Adam Zaluziansky von Zaluzian (1558-1613) a Polish physician and botanist.

Synonyms: Viguiera triloba, Gymnolomia triloba

Editor: LCrumbacher 2011