Salix ovalifolia var. cyclophylla

(Rydberg) C. R. Ball

Proc. Natl. Acad. Sci. U.S.A. 21: 184. 1935.

Illustrated
Basionyms: Salix cyclophylla Rydberg Bull. New York Bot. Gard. 1: 274. 1899
Synonyms: Salix ovalifolia subsp. cyclophylla (Rydberg) Jurtsev & V. V. Petrovsky
Treatment appears in FNA Volume 7. Treatment on page 77.

Leaves: petiole 2–7 mm; largest medial blade subcircular to circular, 13–28 × 7–18 mm, 1–1.5 times as long as wide, base subcordate, cordate, or convex, apex convex, rounded, or retuse, abaxial surface glabrous, pilose or villous. Catkins: staminate 12.5–15.5 × 8–10 mm, flowering branchlet 3–12 mm; pistillate stout, subglobose, or globose, 10–31 × 6–12 mm, flowering branchlet 3.5–15 mm. Staminate flowers: abaxial nectary 0.8–1.1 mm, adaxial nectary 0.7–1.1 mm, nectaries connate and cupshaped. Pistillate flowers: abaxial nectary absent, adaxial nectary ovate, 0.5–2.1 mm; stipe 0.2–1.4 mm; ovary glaucous or not, usually glabrous, sometimes pubescent, or villous. Capsules 5.2–6.5 mm.


Phenology: Flowering mid May-late Jul.
Habitat: Arctic and possibly subarctic, shores of lakes and lagoons, Empetrum tundra, in moss on rocky pavements, meadows, beach ridges
Elevation: 10-600 m

Distribution

V7 78-distribution-map.gif

Alaska, Asia (Chukotka), Asia (Russia)

Discussion

Selected References

None.

Lower Taxa

None.

"-0.64mm" is not declared as a valid unit of measurement for this property.

0 cm0 mm <br />0 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
connate +  and distinct +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
villous +, pilose +  and glabrous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
red turning yellow +
globose +, short-cylindrical +  and elliptic +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Retuse (?) +, Rounded (?) +  and Convex (?) +
George W. Argus +
(Rydberg) C. R. Ball +
convex +, cordate +  and subcordate +
Salix cyclophylla +
tapering +
toothed +  and 2-fid +
persistent +
redbrown +, gray-brown +  and yellowbrown +
hairy +  and glabrous +
pilose +  and glabrous +
subglobose +  and globose +
0.35 cm3.5 mm <br />0.0035 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.52 cm5.2 mm <br />0.0052 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
pistillate +  and staminate +
1 cm10 mm <br />0.01 m <br /> (3.1 cm31 mm <br />0.031 m <br />) +
pendulous +, spreading +  and erect +
globose +  and subglobose +
slender +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Alaska +, Asia (Chukotka) +  and Asia (Russia) +
10-600 m +
connate +  and distinct +
bicolor +, greenish +  and brown +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
pistillate +  and staminate +
bisexual +  and unisexual +
spherical +
Arctic and possibly subarctic, shores of lakes and lagoons, Empetrum tundra, in moss on rocky pavements, meadows, beach ridges +
ferruginous +  and white +
straight +
unbranched +  and spicate +
subterminal +  and axillary +
membranaceous +
1.3 cm13 mm <br />0.013 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
subcircular +  and circular +
0.7 cm7 mm <br />0.007 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
arranged +  and alternate +
marcescent +
deciduous +
long-silky +, villous +  and pilose +
0.11 cm1.1 mm <br />0.0011 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
flat +  and revolute +
2-7[-10]-carpellate +
villous +, pubescent +, glabrous +, not +  and glaucous +
pyriform +  and obclavate +
glandular-dotted +
flat;convex;flat;convex +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering mid May-late Jul. +
Proc. Natl. Acad. Sci. U.S.A. +
overlapping +
distinct +
Illustrated +
branched +, sympodial +, monopodial +  and branching +
non-papillate +
cylindrical +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
caducous +  and persistent +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
persistent +  and deciduous +
ferruginous +  and white +
Salix ovalifolia subsp. cyclophylla +
Salix ovalifolia var. cyclophylla +
Salix ovalifolia +
variety +
pointed +
sympodial +, branching +  and heterophyllous +
plant +, forming +  and not clonal +