Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Salix irrorata Andersson
(Bluestem Willow)

Family: Salicaceae

Status: Native

Synonyms:
None

Salix irrorata is a middle in size between the smaller Salix exigua and the larger Salix gooddingii of our three most common willows. Salix irrorata usually has an obvious whitish powdery bloom on its stems. It is much branched from the base. It is found in middle elevations at the side of perennial flowing water. The Salicaceae can be confused with small populations of Populus angustifolia, but willows always have only one scale covering the bud while Populus has several.
Please click on an image for a larger file.



Salix irrorata, photo Russ Kleinman & Kelly Kindscher, Lake Roberts, July 15, 2007



Salix irrorata, with whitish powdery bloom on stems, photo Russ Kleinman & Kelly Kindscher, Lake Roberts, July 15, 2007



Salix irrorata, catkins, photo Russ Kleinman, Pinos Altos Range, Myer Canyon, Mar. 29, 2008



Salix irrorata, single scale over bud, photo Russ Kleinman, Pinos Altos Range, Meadow Creek, Sept. 5, 2008



Salix irrorata, staminate catkins, photo Russ Kleinman, Bill Norris, Scott Zager, Leith Young, Bonnie Arfsten, & Maggie Knox, Gila River at Alum Camp, March 29, 2009



Salix irrorata, pistillate catkins, photo Russ Kleinman, Bill Norris, Scott Zager, Leith Young, Bonnie Arfsten, & Maggie Knox, Gila River at Alum Camp, March 29, 2009



Salix irrorata, closeup of winter twigs, photo Russ Kleinman, Pinos Altos Range, Signal Peak turnoff, December 28, 2009



Salix irrorata, macro of leaf scar and bud on winter twig, photo Russ Kleinman, Pinos Altos Range, Signal Peak turnoff, December 28, 2009



Salix irrorata, lateral macro of leaf scar and bud on winter twig, photo Russ Kleinman, Pinos Altos Range, Signal Peak turnoff, December 28, 2009



Salix irrorata, closeup of different (possibly healthier) winter twig on same plant as above 3 pix, photo Russ Kleinman, Pinos Altos Range, Signal Peak turnoff, December 28, 2009


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