Salix floridana

Chapman

Fl. South. U.S., 430. 1860.

Common names: Florida willow
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 7. Treatment on page 32. Mentioned on page 27, 29, 30, 31.

Stems: branches redbrown, pubescent to glabrescent; branchlets yellowbrown or redbrown, sparsely velvety or pubescent. Leaves: stipules absent or rudimentary on early ones, foliaceous on late ones, apex rounded; petiole (shallowly grooved adaxially), 13–20 mm, puberulent or velvety adaxially; largest medial blade narrowly oblong, oblong, lanceolate, or narrowly ovate, 100–170 × 38–55 mm, 2.5–3 (–4) times as long as wide, base rounded, convex, or subcordate (cordate on larger leaves), margins serrulate or spinulose-serrulate, apex acute, acuminate, or convex, abaxial surface sparsely tomentose, hairs straight, adaxial highly glossy, sparsely villous or pilose to glabrescent (midrib remaining villous), hairs white and ferruginous; proximal blade margins entire; juvenile blade sparsely pubescent to very densely villous or pilose abaxially, hairs white. Catkins: staminate 29–72 × 12–15 mm, flowering branchlet 1–10 mm; pistillate 50–81 × 17–27 mm, flowering branchlet 5–30 mm; floral bract (tawny, sometimes greenish), 2–3.6 mm, apex rounded, entire, abaxially sparsely hairy, hairs wavy; pistillate bract persistent after flowering. Staminate flowers: abaxial nectary 0.4–0.8 mm, adaxial nectary ovate, 0.5–1.1 mm, nectaries distinct or connate and cupshaped; stamens 3–7; filaments hairy basally; anthers 0.4–0.5 mm. Pistillate flowers: adaxial nectary square, 0.5–0.9 mm; stipe 3.2–5.6 mm; ovary obclavate to ellipsoidal, (rarely puberulent), beak gradually tapering to styles; ovules 4 per ovary; styles 0.3–0.4 mm; stigmas 0.16–0.17–0.2 mm. Capsules 6–7 mm. 2n = 38.


Phenology: Flowering mid Feb-early Apr.
Habitat: Swamps, marshy shores of streams in woodlands, calcareous areas, shade tolerant
Elevation: 10-40 m

Discussion

Of conservation concern.

The closest relatives of Salix floridana are in the Old World sect. Tetraspermae. A detailed discussion of the distribution, taxonomy, and relationships of this uncommon subtropical endemic was given by G. W. Argus (1986).

Selected References

None.

Lower Taxa

None.

"-0.2mm" is not declared as a valid unit of measurement for this property.

... more about "Salix floridana"
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
square +  and ovate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
pilose;glabrescent +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Rounded (?) +, Convex (?) +, Acuminate (?) +  and Acute (?) +
George W. Argus +
Chapman +
subcordate +, convex +  and rounded +
tapering +
ferruginous +  and white +
pilose +, villous +  and pubescent +
toothed +  and 2-fid +
persistent +
pubescent +  and glabrescent +
pubescent +  and velvety +
slender +  and stout +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
pistillate +  and staminate +
5 cm50 mm <br />0.05 m <br /> (8.1 cm81 mm <br />0.081 m <br />) +
pendulous +, spreading +  and erect +
0.2 cm2 mm <br />0.002 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
1.7 cm17 mm <br />0.017 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
Florida willow +
Ala. +, Fla. +  and Ga. +
10-40 m +
connate +  and distinct +
greenish +  and tawny +
pistillate +  and staminate +
bisexual +  and unisexual +
foliaceous +  and stalked +
spherical +
Swamps, marshy shores of streams in woodlands, calcareous areas, shade tolerant +
white +  and white and ferruginous +
straight +
unbranched +  and spicate +
subterminal +  and axillary +
membranaceous +
amphistomatous +  and hypostomatous +
linear +  and elliptic +
10 cm100 mm <br />0.1 m <br /> (17 cm170 mm <br />0.17 m <br />) +
ovate +, lanceolate +  and oblong +
3.8 cm38 mm <br />0.038 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
arranged +  and alternate +
marcescent +
deciduous +
velvety +  and puberulent +
1.3 cm13 mm <br />0.013 m <br /> (2 cm20 mm <br />0.02 m <br />) +
spinulose-serrulate +  and serrulate +
connate +  and distinct +
rudimentary +
2-7[-10]-carpellate +
obclavate +  and ellipsoidal +
glandular-dotted +
Flowering mid Feb-early Apr. +
Fl. South. U.S., +
overlapping +
distinct +
Illustrated +, Endemic +  and Conservation concern +
branched +, sympodial +, monopodial +  and branching +
non-papillate +
cylindrical +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.56 cm5.6 mm <br />0.0056 m <br />) +
caducous +  and persistent +
distinct +  and connate +
tapering +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
persistent +  and deciduous +
ferruginous +  and white +
Salix floridana +
Salix sect. Floridanae +
species +
rounded +
sympodial +, branching +  and heterophyllous +
tree +  and shrub +