Washingtonia filifera

Trunk erect, to 15 metres high, 1–1.5 m diam, partly covered with old leaf bases and marcescent dry leaves forming conspicuous skirt around trunk or old leaves readily shed. Petiole to 100 cm long, conspicuously armed with green teeth along margins or occasionally unarmed, wholly green at base; lamina 1–1.5 metres long, 1–1.2 metres wide, undulate, dull green or slightly grey green.