Asclepias albicans S. Wats.  
Family: Apocynaceae
whitestem milkweed,  more...
Asclepias albicans image
Gary A. Monroe  
Plant: shrub, 100-300(-400) cm tall; stems erect or ascending, wandlike, branching above, glabrous except on very young growth, conspicuously white-glaucous, in age leafless Leaves: opposite or in whorls of 3, narrowly linear, 1-3 cm long, early-deciduous INFLORESCENCE: UMBELS lateral at the upper nodes, 3-5 cm broad, the peduncles 1-3 cm long, sparsely hairy to glabrate, the pedicels more or less wooly Flowers: with the calyx lobes 3-4 mm long; corolla drying greenish white or flushed with pale purple, the lobes 6-9 mm long; hoods drying yellow brown, ascending, oblong-quadrate, 2-3 mm long, 1.6-2.4 mm broad, ca. 1 mm shorter than the gynostegium, the horns attached the full length of the hoods and free apically for ca. 2 mm, the free portion digitate, mostly straight, appressed to the hood apices, scarcely exserted toward the stigma head; anther wings 2 mm long; corpusculum 0.3 mm long, the pollinia 1.3-1.5 mm long Fruit: FOLLICLES pendulous on spreading to drooping peduncles and pedicels, 8-15 cm long Misc: Rocky desert flats and slopes; 150-750 m (500-2500 ft); Sep-Jun REFERENCES: Sundell, Eric. 1994. Asclepiadaceae. J. Ariz. - Nev. Acad. Sci. Volume 27, 169-187.
Asclepias albicans image
Gary A. Monroe  
Asclepias albicans image
Gary A. Monroe  
Asclepias albicans image
Barry Breckling  
Asclepias albicans image
J. E.(Jed) and Bonnie McClellan  
Asclepias albicans image
Gary A. Monroe  
Asclepias albicans image
Barry Breckling  
Asclepias albicans image
Wynn Anderson  
Asclepias albicans image
Barry Breckling  
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Shannon Henke  
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Dave Sussman  
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Dave Sussman  
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Vikas Sharma  
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image
Asclepias albicans image