Helianthella californica A.Gray
Family: Asteraceae
California Dwarf-Sunflower
Helianthella californica image
William R. Hewlett  

Plants 15-60 cm. Cauline leaves: (nearly all opposite or mostly alternate) largest proximal to mid stems; blades ± 3-nerved, lance-ovate or oblong-lanceolate to lanceolate or linear, 5-26 cm, faces ± hirsutulous to scaberulous or glabrescent. Heads usually borne singly, sometimes 2-3+, erect. Involucres hemispheric, 15-25 mm diam. Phyllaries lanceolate (sometimes outer 2-3 foliaceous; margins usually ciliate, abaxial faces densely hairy or glabrate). Paleae chartaceous, relatively firm. Ray florets (10-)12-16; laminae 15-20+ mm. Disc corollas yellow. Cypselae strongly compressed, obovate-cuneate to oblong (winged or almost wingless, margins ciliate, apices deeply notched, faces glabrous); pappi 0 or 2 ± subulate scales plus 0-4 shorter scales.

Helianthella californica image
William R. Hewlett  
Helianthella californica image
Anthony Baniaga  
Helianthella californica image
Zoya Akulova  
Helianthella californica image
Zoya Akulova  
Helianthella californica image
Barry Breckling  
Helianthella californica image
Barry Breckling  
Helianthella californica image
Barry Breckling  
Helianthella californica image
Barry Breckling  
Helianthella californica image
Zoya Akulova  
Helianthella californica image
Zoya Akulova