Arnica viscosa A. Gray
Family: Asteraceae
Mt. Shasta Leopardbane
[Chrysopsis shastensis Jeps.]
Arnica viscosa image
Dean Wm. Taylor  

Plants 20-50 cm. Stems branched (prominently ribbed, strongly stipitate-glandular; caudices woody). Leaves 5-10 pairs (main stems, 2-6 pairs on branches; basal withered by flowering), cauline; sessile; blades obovate-oblong to ovate-oblong, (1-)2-4(-5) × 1-3 cm, margins ± entire, apices acute, faces sparsely to densely pilose, densely stipitate-glandular. Heads 10-20. Involucres narrowly turbinate. Phyllaries 10-20, broadly lanceolate (stipitate-glandular). Ray florets 0. Disc florets 10-30; corollas cream; anthers yellow. Cypselae dark gray, 4.5-6.5 mm, stipitate-glandular; pappi usually white, rarely tawny, bristles barbellate to subplumose. 2n = 38.

Flowering Aug-Sep. Open, rocky subalpine to alpine; 1700-2500 m; Calif., Oreg.

Arnica viscosa image
Dean Wm. Taylor  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Dean Wm. Taylor  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse  
Arnica viscosa image
Keir Morse