Carex filifolia var. filifolia

Treatment appears in FNA Volume 23. Treatment on page 568. Mentioned on page 567.

Culms round to sharply trigonous, 8–35 cm. Leaf-blades 7–25 cm, 0.3–0.7 mm wide near base. Spike (10–) 12–26 (–30) × 3–7 mm, staminate portion 4–14 mm. Longest pistillate scales 2.9–4.5 (–6.5) × 1.9–4 mm excluding awns, usually equaling or longer than perigynia. Perigynia obovate, (2.8–) 3–4.8 × 1.4–2 mm; beak 0.2–0.8 mm. Achenes 2.2–3 (–3.3) × 1.3–1.9 mm.


Phenology: Fruiting Apr–Jun.
Habitat: Dry to dryish areas, stable silt-loam or gravel, on slopes, headlands, eroded areas, swales
Elevation: 100–3100 m

Distribution

V23 1083-distribution-map.jpg

Alta., B.C., Man., N.W.T., Sask., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Kans., Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Oreg., S.Dak., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number."pubescent" is not a number. "hirsute" is not a number.

0.3 cm3 mm <br />0.003 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
obovate;elliptic +
1.3mm;1.9mm +
5 cm50 mm <br />0.05 m <br /> (35 cm350 mm <br />0.35 m <br />) +
obtuse;obtuse;short-awned +
Joy Mastrogiuseppe +
Nuttall +
rounded +  and tapering +
Filifoliae +
puberulent +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
7 cm70 mm <br />0.07 m <br /> (25 cm250 mm <br />0.25 m <br />) +
0.3mm;0.7mm +
bright green +  and yellow-green +
quill--shaped +
6 cm60 mm <br />0.06 m <br /> (?) +  and 25 cm250 mm <br />0.25 m <br /> (?) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
round +  and sharply trigonous +
8 cm80 mm <br />0.08 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Alta. +, B.C. +, Man. +, N.W.T. +, Sask. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Kans. +, Minn. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
100–3100 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry to dryish areas, stable silt-loam or gravel, on slopes, headlands, eroded areas, swales +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
0.29 cm2.9 mm <br />0.0029 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
white +  and gold +
with (1-)3-6(-30) bristles and/or scales +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
white +  and gold +
0.3 cm3 mm <br />0.003 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
appressed +  and ascending +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Fruiting Apr–Jun. +
2-3(-4)-carpellate +
0.4 cm4 mm <br />0.004 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
3 (?) +  and 1 (?) +
Gen. N. Amer. Pl. +
adventitious +
staminate +  and pistillate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
redbrown +  and pale redbrown +
shorter or longer +
basal +  and proximal +
obovate;obovate +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
cylindric +
Illustrated +  and Endemic +
2.6 cm26 mm <br />0.026 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
sharp;blunt +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex filifolia var. filifolia +
Carex filifolia +
variety +
plant +  and cespitose +