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FLORIDA WILLOW Gil Nelson Salix floridana Chapm. Synonyms: Salix chapmanii Small Salix astatulana Murrill & E. J. Palmer Family: Salicaceae (willow) FNAI Ranks: G2/S2 Legal Status: US–Mgmt Concern FL–Endangered Wetland Status: US–FACW FL–OBL Field Description: Spindly tree or shrub to 12 feet tall, with gray bark and brittle, reddish-brown twigs. Leaves 2 - 6 inches long and 0.8 - 2 inches wide, deciduous, alternate, lance-shaped with rounded base and pointed tip; margins toothed with tiny, knobbed glands; upper surface bright green, lower surface grayish-white with hairy, brown veins; leaves on young shoots with conspicuous, half-circular stipules. Male and female flowers in catkins on separate plants (male catkins in photo, above right), 1.2 - 3.2 inches long. Fruiting catkins 0.8 - 1 inch in diameter. Similar Species: Carolina willow (Salix caroliniana), a sturdy tree to 30 feet tall, has linear leaves up to 8 inches long and only 1.2 inches wide, grayishblue beneath, stipules sometimes present; fruiting catkins less than 0.7 inch in diameter. Florida willow has larger fruiting catkins and wider, more oblong leaves. Related Rare Species: Heart-leaved willow (Salix eriocephala), stateendangered, is found in 3 counties in the Panhandle. ______________________________ Florida Natural Areas Inventory, 2000 Florida willow Salix floridana Habitat: Springheads, edges of spring runs, hydric hammocks, floodplains. Best Survey Season: During fruiting, March–April, since leaves and fruits are both useful for positive identification. Range-wide Distribution: FL, GA. Conservation Status: 15 populations of Florida willow are known, 10 in conservation areas. Protection & Management: Protect springs and spring runs from pollution, sedimentation, and hydrologic changes. Protect floodplains and wet hammocks from clearcutting and draining. References: Argus 1986, Coile 2000, Godfrey 1988, Nelson 1996, Patrick et al. 1995, Ward 1979, Wunderlin 1998, Wunderlin and Hansen 2000a. leaf margin stipule male flowers leaf scar female flowers ______________________________ Florida Natural Areas Inventory, 2000