Heliopsis parvifolia A. Gray
Family: Asteraceae
mountain oxeye,  more...
Heliopsis parvifolia image
Rich Hoyer  
Perennials, 30-50(-80) cm. Aerial stems (from ± erect caudices) 1-10+, stramineous to reddish, glabrous or sparingly hairy. Leaf blades deltate-lanceolate, (1.5-)3-6 × 0.8-3 cm, margins irregularly dentate to subentire (proximal teeth larger), apices acuminate to obtuse, faces sparsely pubescent to glabrescent. Heads 1-10+. Peduncles (6-)15-30 cm. Involucres 12-20 mm diam. Phyllaries densely pubescent on margins and apices, abaxial faces glabrescent. Paleae lanceolate to oblong, apices acuminate, faces glabrous. Ray florets 9-11; corollas golden yellow (young) to pale yellow (old), laminae (1-)2-3 cm × 5-14 mm. Disc florets 8-50+; corollas greenish yellow to yellow-brown (lobes brighter than tubes), 3-4.5 mm, glabrous. Cypselae 4.5-5 mm, glabrous, rugulose to subtuberculate; pappi 0. 2n = 28. Flowering late spring-early fall. Open, rocky mountain slopes, canyons; 1200-2500 m; Ariz., N.Mex., Tex; Mexico (Chihuahua, Coahuila, Durango, Sonora, Tamaulipas).
FNA 2006, Kearney and Peebles 1969
Duration: Perennial Nativity: Native Lifeform: Forb/Herb General: Herbaceous perennials, to 50 cm tall, branching from erect caudices, herbage stramineous to reddish, glabrous or sparingly hairy. Leaves: Opposite, triangular-ovate to deltate-lanceolate, acuminate to obtuse at the tips, margins irregularly toothed, teeth larger proximally, faces sparsely pubescent to glabrescent, petioled. Flowers: Heads showy, radiate, rays yellow, pistillate, 9-11, disk flowers 8-50 or more, corollas greenish yellow to yellow-brown receptacle conic, involucres 12-20 mm in diameter, phyllaries densely pubescent on margins and apices, abaxial faces glabrescent, paleae lanceolate to oblong, apices acuminate, faces glabrous, inflorescences borne in groups of 1-10 on long peduncles, solitary or terminal. Fruits: Achenes short and thick, wrinkled. Pappus none. Ecology: Found on rich soils in canyons and on rocky mountain slopes, from 4,000-8,000 ft (1219-2438 m); flowering July-October. Distribution: Arizona New Mexico, and Texas; Mexico. Notes: This appears to be the only species of this genus in Arizona. Ethnobotany: Unknown Etymology: Heliopsis is of uncertain origins, while parvifolia means small leaved. Synonyms: None Editor: LCrumbacher 2011
Heliopsis parvifolia image
Liz Makings  
Heliopsis parvifolia image
Liz Makings  
Heliopsis parvifolia image
Sue Carnahan  
Heliopsis parvifolia image
Sue Carnahan  
Heliopsis parvifolia image
Heliopsis parvifolia image
Sue Carnahan  
Heliopsis parvifolia image
Heliopsis parvifolia image
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Heliopsis parvifolia image
Heliopsis parvifolia image
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Heliopsis parvifolia image
Heliopsis parvifolia image
Heliopsis parvifolia image
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Heliopsis parvifolia image
Heliopsis parvifolia image
Heliopsis parvifolia image
Heliopsis parvifolia image
Heliopsis parvifolia image