Salix purpurea

Linnaeus

Sp. Pl. 2: 1017. 1753.

Common names: Purple or basket willow purple osier
Introduced
Treatment appears in FNA Volume 7. Treatment on page 162. Mentioned on page 3, 94.

Plants sometimes forming clones by stem fragmentation. Stems: branches (sometimes ± brittle at base), yellowbrown or olive-brown, not or weakly glaucous, glabrous; branchlets yellowbrown or olive-brown, violet tinged, glabrous. Leaves (sometimes opposite or subopposite); stipules absent; petiole shallowly grooved adaxially, 2–7 mm, glabrous adaxially; largest medial blade lorate, narrowly oblong, narrowly oblanceolate, oblanceolate, 35–77 × 5–20 mm, base convex or rounded, margins strongly revolute, entire or serrulate, apex acute, acuminate, or convex, abaxial surface glaucous, glabrous, adaxial dull to sublustrous, glabrous; proximal blade margins entire; juvenile blade yellowish green or reddish, glabrous or sparsely pubescent abaxially, hairs white, sometimes also ferruginous. Catkins flowering before leaves emerge, (subopposite, recurved); staminate stout or subglobose, 25–33 × 6–10 mm, flowering branchlet 0 mm; pistillate densely flowered, slender or stout, 13.5–34.5 (–35 in fruit) × 3–7 mm, flowering branchlet 0.5–3 mm; floral bract black or bicolor, 0.8–1.6 mm, apex rounded, abaxially hairy, hairs straight or wavy. Staminate flowers: adaxial nectary oblong, square, or ovate, 0.4–0.8 mm; filaments connate; anthers (distinct), purple turning yellow, ellipsoid or globose, 0.4–0.5 mm. Pistillate flowers: adaxial nectary ovate, 0.3–0.7 mm; ovary obturbinate, beak gradually tapering to styles; ovules 6 per ovary; styles 0.2–0.3 mm. Capsules 2.5–5 mm. 2n = 38.


Phenology: Flowering mid Mar-mid May.
Habitat: Floodplains and shores, fens, swamps, alder thickets, sandy and limestone beaches, low dunes
Elevation: 0-900 m

Distribution

V7 192-distribution-map.gif

Introduced; N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Calif., Conn., Del., D.C., Ga., Ill., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.Y., N.C., Ohio, Oreg., Pa., R.I., Utah, Vt., Va., W.Va., Wis., Europe

Discussion

Salix purpurea occurrence in Ohio is based on information from T. S. Cooperrider (pers. comm.).

Selected References

None.

Lower Taxa

None.

"-0.24mm" is not declared as a valid unit of measurement for this property.

... more about "Salix purpurea"
21 +, 4 +, 1 +, 16 +  and 29 +
glabrous +  and glaucous +
ovate +, square +  and oblong +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
dull +  and sublustrous +
red turning yellow +
Rounded (?) +, Convex (?) +, Acuminate (?) +  and Acute (?) +
George W. Argus +
Linnaeus +
rounded +  and convex +
Salix sect. Vetrix +
tapering +
reddish +  and yellowish green +
ferruginous +  and white +
pubescent +  and glabrous +
toothed +  and 2-fid +
persistent +
flowered +  and pistillate +
subglobose +
stout +  and slender +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
intermediate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
pendulous +, spreading +  and erect +
Purple or basket willow +  and purple osier +
N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Calif. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Iowa +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.H. +, N.Y. +, N.C. +, Ohio +, Oreg. +, Pa. +, R.I. +, Utah +, Vt. +, Va. +, W.Va. +, Wis. +  and Europe +
0-900 m +
bicolor +  and black +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
pistillate +  and staminate +
purple turning yellow +
bisexual +  and unisexual +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Floodplains and shores, fens, swamps, alder thickets, sandy and limestone beaches, low dunes +
ferruginous +  and white +
straight +
unbranched +  and spicate +
subterminal +  and axillary +
membranaceous +
hemiamphistomatous +, amphistomatous +  and hypostomatous +
3.5 cm35 mm <br />0.035 m <br /> (7.7 cm77 mm <br />0.077 m <br />) +
oblanceolate +, oblong +  and lorate +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
arranged +  and alternate +
marcescent +
deciduous +
serrulate +  and entire +
2-7[-10]-carpellate +
short-silky +
obturbinate +
glandular-dotted +
usually convex;flat +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering mid Mar-mid May. +
overlapping +
distinct +
Introduced +
olive-brown +  and yellowbrown +
decumbent;erect +
non-papillate +
cylindrical +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
caducous +  and persistent +
distinct +  and connate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
persistent +  and deciduous +
Salix purpurea +
Salix sect. Helix +
species +
rounded +
sympodial +, branching +  and heterophyllous +