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 yellow-brown, pubescent or pilose; branchlets yellow-green or red-brown (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.
George W. Argus +
C. R. Ball +
Salix tribe Hastatae +
Idaho +, Mont. +, Utah +  and Wyo. +
2100-3100 m +
Sedge meadows along stream and lake margins, drainageways, around springs +
Flowering early-mid Jun. +
Illustrated +  and Endemic +
Salix idahoensis +
Salix wolfii var. idahoensis +
Salix wolfii +
variety +