|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
|Family: Salicaceae||View Description||Dichotomous Key|
|Genus: Salix||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Salix alba L.
Habit: Tree < 25 m. Stem: erect to spreading; twigs +- yellow or gray to red-brown, flexible or +- brittle at base, silky, glabrous in age. Leaf: later stipules leaf-like; petiole 3--13 mm, with glands; young leaves densely silky; mature blade 63--115 mm, lanceolate to narrowly oblong, acuminate (base wedge-shaped or acute), finely serrate, abaxial hairs generally densely long-silky, straight, to +- 0. Inflorescence: blooming with leaves, pistillate 31--51 mm, on leafy shoots 3--14 mm; flower bract +- tan, sparsely hairy, tip rounded; pistillate bracts deciduous. Staminate Flower: stamens 2; nectaries adaxial, abaxial. Pistillate Flower: ovary glabrous, stalk 0.2--0.8 mm, style 0.16--0.44 mm. Chromosomes: 2n=76.
Ecology: Disturbed places, generally near settlements; Elevation: probably < 20 m. Bioregional Distribution: CA; Distribution Outside California: to eastern North America; native to Europe. Flowering Time: May--Jun Note: Mostly cultivated as ornamental, but many cultivars, hybrids +- naturalized.
Unabridged Note: Hybrid formerly known as Salix ×rubens Schrank (Salix alba × Salix fragilis) now correctly recognized as Salix ×fragilis L. (Salix alba × Salix euxina I.V. Belyaeva), probably only cultivated in California.
eFlora Treatment Author: George W. Argus
Jepson Online Interchange
Previous taxon: Salix
Next taxon: Salix babylonica
Citation for this treatment: George W. Argus 2016. Salix alba, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42673, accessed on July 23, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 23, 2016.