Tetradymia glabrata Torr. & A. Gray
Family: Asteraceae
Little-Leaf Horsebrush
Tetradymia glabrata image
Steve Hurst  

Shrubs, 20-120 cm. Stems 1-3+, erect, unarmed, pannose but for glabrescent streaks. Leaves: primaries linear-subulate, ascending to appressed, 5-20 (× 1+) mm, sparsely floccose, sometimes glabrate; secondaries linear-filiform to clavate, 3-15 mm, glabrous. Heads 3-7. Peduncles 3-15 mm. Involucres turbinate, 7-10 mm. Phyllaries 4, lanceolate to obovate. Florets 4; corollas cream to yellow, 9-10 mm. Cypselae 2.5-3.5 mm, hirsute; pappi of 100-130 bristles 6-8 mm. 2n = 60, 62, 120, 180.

Flowering spring-early summer. Sagebrush scrub, pinyon-juniper woodlands, Joshua tree woodlands; 800-2400 m; Calif., Idaho, Nev., Oreg., Utah.

Tetradymia glabrata image
Steve Hurst  
Tetradymia glabrata image
Tetradymia glabrata image
Tetradymia glabrata image
Tetradymia glabrata image
Tetradymia glabrata image
Charles Webber  
Tetradymia glabrata image
Charles Webber  
Tetradymia glabrata image
J. E.(Jed) and Bonnie McClellan