Flora of North America species comparison

stipules rudimentary on early ones, rudimentary or foliaceous on late ones, (early deciduous to marcescent), apex acuminate or acute;

petiole deeply grooved adaxially (margins usually touching), 6–8.6 mm, with pairs of spherical glands distally, glabrous or puberulent adaxially;

largest medial blade hemiamphistomatous or hypostomatous, lanceolate, narrowly oblong, or narrowly elliptic, 60–120 × 14–30 mm, 3.6–6.5 times as long as wide, base convex or rounded, margins flat or slightly revolute, serrate, crenate, or crenulate, apex acute, acuminate, or caudate, abaxial surface (not glaucous), glabrous, adaxial slightly or highly glossy, glabrous;

proximal blade margins entire;

juvenile blade yellowish green or reddish, glabrous.

abaxial nectary present, adaxial nectary oblong, 0.3–0.6 mm, nectaries distinct;

filaments distinct or connate less than 1/2 their lengths, hairy at base;

anthers ellipsoid, 0.4–0.5 mm.

adaxial nectary oblong or square, 0.3–0.6 mm, shorter than stipe;

stipe 0.6–1.2 mm;

ovary pyriform, beak gradually tapering to styles;

styles connate, 0.3–0.5 mm;

stigmas flat, abaxially non-papillate with rounded tip, or 2 plump lobes, 0.3–0.5 mm.

3–5 mm.

humboldtiana Willdenow: Humboldt willow is not known to occur in the flora area.

is characterized by: trees, 4–25 m;

branches highly brittle at base, bud-scale margins distinct and overlapping adaxially;

stipules on late leaves rudimentary or foliaceous;

largest medial leaf blade usually linear, abaxial surface not glaucous, adaxial dull; pistillate bract deciduous after flowering;

stamens 3–7;

capsules with distinct, often raised, white veins.;

it occurs throughout much of Mexico to central Chile.

staminate 24–40 × 7–15 mm, flowering branchlet 12–15 mm; pistillate moderately densely flowered, stout, 24–35 mm, flowering branchlet 12–15 mm;

floral bract (greenish or tawny), 0.8–1.3 mm, apex convex or rounded, entire or erose, abaxially hairy, hairs straight or wavy.

= 76.