Carex cordillerana

Saarela & B. A. Ford

Syst. Bot. 26: 715, figs. 1C, 2C, 3C, 4C, 8. 2001.

Common names: Cordilleran sedge
Treatment appears in FNA Volume 23. Treatment on page 562. Mentioned on page 559, 560.

Culms 6.8–40 cm. Leaves: basal sheaths pale to medium brown; blades dull green to yellowish green, exceeding culms, 1.5–5.9 mm wide, widest ones 2–5.5 mm wide, herbaceous, margins green, papillose. Lateral spikes 0–3, basal, on erect peduncles. Terminal spikes with staminate portion 2–3-flowered, 1.7–2.6 × 0.4–0.9 mm; pistillate portion 3–5-flowered. Pistillate scales yellowish green to dull olive green, margins green, 2.5–3 mm wide, essentially concealing perigynia, apex acute; distal scales ovate, apex acute. Staminate scales white or green, often with reddish-brown tinge, margins connate, sometimes for entire length, enfolding scales above, apex obtuse. Anthers 0.9–1.4 mm. Perigynia yellowish green to dull olive green, obovoid, 3.9–5.4 × 1.6–2.5 mm, tightly enveloping achenes, apex abruptly tapered; beak 0.5–1.6 mm, smooth. Stigmas clavate, erect, minutely papillose. Achenes brown, obpyriform, 2.8–3.5 × 1.5–2.4 mm.


Phenology: Fruiting spring–summer (late May–late Jul).
Habitat: Naturally disturbed, rocky slopes with organic layer and leaf litter in mesic mixed forests, or disturbed, open, grassy slopes
Elevation: 500–2400 m

Distribution

V23 1072-distribution-map.jpg

Alta., B.C., Idaho, Mont., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Carex cordillerana"
0.28 cm2.8 mm <br />0.0028 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
obpyriform +
1.5mm;2.4mm +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
William J. Crins +, Robert F. C. Naczi +, A. A. Reznicek +  and Bruce A. Ford +
Saarela & B. A. Ford +
shortened +
pale;medium brown +
tapering +
flattened-triangular +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
green +  and yellowish green +
v--shaped +
2mm;5.5mm +
smaller +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Cordilleran sedge +
2 +  and widest +
round +  and trigonous +
6.8 cm68 mm <br />0.068 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Alta. +, B.C. +, Idaho +, Mont. +, Oreg. +, Utah +, Wash. +  and Wyo. +
500–2400 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Naturally disturbed, rocky slopes with organic layer and leaf litter in mesic mixed forests, or disturbed, open, grassy slopes +
septate-nodulose +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
stipitate +  and 2-veined +
reddish-brown tinge +  and green +
papillose +
lanceolate;oblong-lanceolate rounded-trigonous +
2.5mm +  and 3mm +
with (1-)3-6(-30) bristles and/or scales +
veined +  and veinless +
yellowish green +  and dull olive green +
0.39 cm3.9 mm <br />0.0039 m <br /> (0.54 cm5.4 mm <br />0.0054 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Fruiting spring–summer (late May–late Jul). +
2-3(-4)-carpellate +
3-5-flowered +, pistillate +, 2-3-flowered +  and staminate +
3 (?) +  and 1 (?) +
adventitious +
staminate +  and pistillate +
reddish-brown tinge +, green +, white +, yellowish green +  and dull olive green +
basal +  and proximal +
2-keeled +
septate-nodulose +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillose +
deciduous +
dilated +
Carex cordillerana +
Carex sect. Phyllostachyae +
species +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
plant +  and cespitose +