Salix wolfii var. idahoensis

C. R. Ball

Bot. Gaz. 40: 378. 1905.

IllustratedEndemic
Synonyms: Salix idahoensis (C. R. Ball) Rydberg
Treatment appears in FNA Volume 7. Treatment on page 108. Mentioned on page 107.

Plants 0.1–2 m. Stems: branches yellow-gray or yellowbrown, pubescent or pilose; branchlets yellow-green or redbrown (darker in age), sparsely to moderately densely pubescent, hairs wavy or geniculate. Leaves: petiole shallowly grooved adaxially, 3–10 mm, pubescent or villous adaxially; largest medial blade very narrowly elliptic to elliptic, or narrowly oblanceolate, apex acute to acuminate, abaxial surface villous, adaxial densely silky or villous; juvenile blade long-silky abaxially. Catkins: pistillate very densely flowered, stout or subglobose, 8.5–38 × 5–12 mm, flowering branchlet 1–11 mm; floral bract 1–2 mm. Staminate flowers: abaxial nectary 0–0.2 mm, adaxial nectary 0.6–1.1 mm. Pistillate flowers: adaxial nectary oblong, ovate, or flask-shaped, 0.4–1.1 mm, longer than or, rarely, equal to stipe; stipe 0–0.4 mm; ovary pubescent or tomentose, hairs in streaks or patches; ovules 8–16 per ovary; stigmas flat, abaxially non-papillate with rounded or pointed tip, or slenderly or broadly cylindrical. 2n = unknown.


Phenology: Flowering early-mid Jun.
Habitat: Sedge meadows along stream and lake margins, drainageways, around springs
Elevation: 2100-3100 m

Discussion

Selected References

None.

Lower Taxa

None.

"-0.4mm" is not declared as a valid unit of measurement for this property.

21 +, 4 +, 1 +, 16 +  and 29 +
114 +, 95 +, 76 +, 57 +  and 38 +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
villous +, short-silky +, pubescent +  and not glaucous +
flask--shaped +, ovate +  and oblong +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
villous +  and silky +
Acute (?) +  and Acuminate (?) +
intermediate +
George W. Argus +
C. R. Ball +
rounded +, convex +  and cuneate +
Salix tribe Hastatae +
tapering +
yellowish green +
ferruginous +  and white +
long-silky or villous +  and short +
toothed +  and 2-fid +
persistent +
yellowbrown +  and yellow-gray +
pilose +  and pubescent +
flowered +  and pistillate +
globose +  and subglobose +
slender +  and stout +
0.1 cm1 mm <br />0.001 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
intermediate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
flowered +  and pistillate +
0.85 cm8.5 mm <br />0.0085 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
pendulous +, spreading +  and erect +
subglobose +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Idaho +, Mont. +, Utah +  and Wyo. +
2100-3100 m +
bicolor +, black +  and brown +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
pistillate +  and staminate +
bisexual +  and unisexual +
Sedge meadows along stream and lake margins, drainageways, around springs +
straight +
spreading +  and appressed +
geniculate +  and wavy +
unbranched +  and spicate +
subterminal +  and axillary +
membranaceous +
hemiamphistomatous +, amphistomatous +  and hypostomatous +
2.6 cm26 mm <br />0.026 m <br /> (5.6 cm56 mm <br />0.056 m <br />) +
oblanceolate +, elliptic +  and oblong +
0.8 cm8 mm <br />0.008 m <br /> (1.65 cm16.5 mm <br />0.0165 m <br />) +
arranged +  and alternate +
marcescent +
deciduous +
2-7[-10]-carpellate +
tomentose +  and pubescent +
pyriform +
glandular-dotted +
villous +  and pubescent +
convex;flat +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering early-mid Jun. +
overlapping +
distinct +
Illustrated +  and Endemic +
decumbent;erect +
non-papillate +
cylindrical +
0 cm0 mm <br />0 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
caducous +  and persistent +
distinct +  and connate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +  and deciduous +
villous +  and silky +
acute +  and acuminate +
Salix idahoensis +
Salix wolfii var. idahoensis +
Salix wolfii +
variety +
pointed +  and rounded +
sympodial +, branching +  and heterophyllous +