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FNA | Family List | FNA Vol. 22 | Arecaceae | Washingtonia

1. Washingtonia filifera (Gloner ex Kerchove, Burvenich, Pynaert, Rodigas & Hull) de Bary, Bot. Zeitung (Berlin). 37: lxi. 1879/1880.

California fan palm, palmier évantail de Californie

Pritchardia filifera Gloner ex Kerchove, Burvenich, Pynaert, Rodigas & Hull, Bull. Arboric. Floric. Culture Potag. 2: 140. 1873; Neowashingtonia filifera (Gloner ex Kerchove, Burvenich, Pynaert, Rodigas & Hull) Sudworth; Pritchardia filamentosa H. Wendland ex Fenzi; Washingtonia filamentosa (H. Wendland ex Fenzi) Kuntze; W. filifera var. arizonica (O. F. Cook ex Annon.) M. E. Jones

Stems massive, to 1.5 m 100--150 cm diam. 2n = 36.

Flowering spring--summer. Native to desert washes, seeps, and springs where underground water is continuously available; of conservation concern; 100--1200 m; Ariz., Calif., Nev.; Mexico (Baja California).

L. H. Bailey (1936) cited S. Watson, not H. Wendland, as the combining authority of this species, believing that Wendland did not explicitly make the new combination. The combination was made, however, by the journal editor, Anton de Bary, in the index to the volume, appearing on page (column) LXI. Hence, de Bary, not Watson, is the combining author (J. L. Strother, pers. comm.).

Naturalized populations of this species were reported at four sites in Nevada (J. W. Cornett 1987) and in Death Valley National Monument, California (J. W. Cornett 1988). L. R. McClenaghan and A. C. Beauchamp (1986) found low genetic variation among populations of Washingtonia filifera. V. J. Miller (1983) discussed the history and setting of W. filifera in Arizona.


Cornett, J. W. 1987. The occurrence of the desert fan palm, Washingtonia filifera, in southern Nevada. Desert Pl. 8: 169--171. Cornett, J. W. 1988. Naturalized populations of the desert fan palm, Washingtonia filifera, in Death Valley National Monument. In: C. A. Hall Jr. and V. Doyle-Jones, eds. 1988. Plant Biology of Eastern California. Los Angeles. Pp. 167--174. McClenaghan, L. R. Jr. and A. C. Beauchamp. 1986. Low genetic differentiation among isolated populations of the California fan palm (Washingtonia filifera). Evolution 40: 315--322. Miller, V. J. 1983. Arizona's own palm: Washingtonia filifera. Desert Pl. 5: 99--104. Small, J. K. 1931. The fanleaf-palm---—--Washingtonia filifera. J. New York Bot. Gard. 32: 33--43.


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