Xylorhiza orcuttii Greene (redirected from: Machaeranthera orcuttii)
Source: Collecitons database
Family: Asteraceae
Orcutt's Woody-Aster
[Aster orcuttii Vasey et Rose,  more]
Xylorhiza orcuttii image
Richard Zmasek  
Shrubs, 50-150 cm. Stems branched to near apices, glabrous (younger stems and branchlets glabrous, eglandular). Leaf blades spatulate to oblong or lanceolate, 5-26 mm wide, bases attenuate to cuneate or subauriculate-subclasping, margins flat, spinulose-dentate to subentire, faces glabrous or sericeous along veins. Peduncles 1-7 cm. Involucres 17-20 × 20-45 mm. Phyllaries tightly appressed, outermost glabrous, innermost equaling or longer than mid. Ray florets (18-)27-38(-45); corollas light blue to lavender. Style-branch appendages shorter than stigmatic lines. 2n = 12. Flowering (Nov-)Jan-Apr(-Jun). Slopes and ravine bottoms, rocky sand and clay of high pH, in relatively barren areas dominated by creosote bush and cactus; of conservation concern; 20-300 m; Calif.; Mexico (Baja California). Xylorhiza orcuttii grows in Imperial, Riverside, and San Diego counties.

Xylorhiza orcuttii image
Barry Breckling  
Xylorhiza orcuttii image
Richard Zmasek  
Xylorhiza orcuttii image
Barry Breckling  
Xylorhiza orcuttii image
Richard Zmasek  
Xylorhiza orcuttii image
Richard Zmasek  
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image
Xylorhiza orcuttii image