Salix sect. Geyerianae

Argus

Syst. Bot. Monogr. 52: 85. 1997.

Treatment appears in FNA Volume 7. Treatment on page 152.

Shrubs, 0.6–6 m. Buds alba or caprea-type, or intermediate. Leaves: stipules on late ones absent, rudimentary, or foliaceous; largest medial blade (sometimes amphistomatous), 3–12 times as long as wide, adaxial surface not glaucous. Staminate flowers: filaments glabrous or hairy. Pistillate flowers: adaxial nectary shorter than stipe; stipe 0.4–4 mm; ovary sparsely to moderately densely short-silky; stigmas with flat, non-papillate abaxial surface, or stigmas cylindrical, 0.2–0.8 mm.

Distribution

North America, e Mexico

Discussion

Species 4 (3 in the flora).

Salix cana M. Martens & Galeotti is known from eastern Mexico.

Selected References

None.

... more about "Salix sect. Geyerianae"
21 +, 4 +, 1 +, 16 +  and 29 +
114 +, 95 +, 76 +, 57 +  and 38 +
red turning yellow +
Laciniate (?) +, Toothed (?) +  and Entire (?) +
George W. Argus +
Salix sect. Vetrix +
tapering +
ferruginous +  and white +
toothed +  and 2-fid +
persistent +
flowered +  and sessile +
subglobose to globose +  and stout +
slender +  and stout +
intermediate +
pistillate +  and staminate +
pendulous +, spreading +  and erect +
North America +  and e Mexico +
connate +  and distinct +
hairy +  and glabrous +
light rose +, bicolor +, tawny +, black +  and brown +
pistillate +  and staminate +
bisexual +  and unisexual +
gray +, ferruginous +  and white +
flattened +
unbranched +  and spicate +
subterminal +  and axillary +
membranaceous +
hemiamphistomatous +, amphistomatous +  and hypostomatous +
oblong +  and narrowly broadly elliptic oblanceolate obovate or broadly obovate +
arranged +  and alternate +
marcescent +
deciduous +
2-7[-10]-carpellate +
short-silky +
glandular-dotted +
usually convex;flat +
Syst. Bot. Monogr. +
overlapping +
distinct +
decumbent;erect +
non-papillate +
cylindrical +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
caducous +  and persistent +
distinct +  and connate +
persistent +  and deciduous +
Salix sect. Geyerianae +
Salix subg. Vetrix +
section +
pointed +  and rounded +
sympodial +, branching +  and heterophyllous +