Carex oreocharis

T. Holm

Amer. J. Sci. 159: 358, fig. 2. 1900.

Illustrated
Synonyms: Carex oreocharis var. enantiomorpha Kelso
Treatment appears in FNA Volume 23. Treatment on page 567. Mentioned on page 566.

Culms trigonous, not filiform or wiry, angles proximal to spike blunt or sharp, 10–50 cm, usually longer than leaves. Leaves: basal leaf-sheaths ± fibrillose when old; blades light to bright green, folded or channeled, not quill-shaped, 5–15 cm, (0.7–) 1–2 mm wide near base. Spike 17–40 × 4–6.5 mm; staminate portion 10–16 (–20) mm. Proximal pistillate scales golden-brown (cream-colored) with white margins to 1.2 mm wide or cream-colored throughout, orbiculate, 3–5.5 × 2–3.5 mm, shorter than mature perigynia, apex obtuse to awned. Staminate scales gold with white margins, oblong-lanceolate, apex obtuse to acute. Perigynia 3–15, erect to appressed, white to gold, broadly obovate to broadly ovate, 3–4.5 × 1.4–2.2 mm, body hirsute or puberulent at least proximal to beak; beak (0.4–) 0.5–1 mm; rachilla present. Achenes obovate to elliptic, 2.2–2.6 (–3) × 1.2–1.9 mm. Stigmas ± black.


Phenology: Fruiting spring–summer.
Habitat: Dry slopes in granitic soils
Elevation: 2200–3300 m

Distribution

V23 1081-distribution-map.jpg

Colo., Wyo., Mexico (Coahuila)

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Carex oreocharis"
0.26 cm2.6 mm <br />0.0026 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
obovate;elliptic +
1.2mm;1.9mm +
usually longer +
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 m <br />) +
obtuse;acute +
Joy Mastrogiuseppe +
T. Holm +
rounded +  and tapering +
Filifoliae +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
puberulent +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
light +  and bright green +
not quill--shaped +, channeled +  and folded +
5 cm50 mm <br />0.05 m <br /> (?) +  and 15 cm150 mm <br />0.15 m <br /> (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
not filiform +  and trigonous +
Colo. +, Wyo. +  and Mexico (Coahuila) +
2200–3300 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry slopes in granitic soils +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0mm +  and 1.2mm +
with (1-)3-6(-30) bristles and/or scales +
white +  and gold +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
erect +  and appressed +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Fruiting spring–summer. +
2-3(-4)-carpellate +
1.6 cm16 mm <br />0.016 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
3 (?) +  and 1 (?) +
Amer. J. Sci. +
adventitious +
staminate +  and pistillate +
gold +, cream-colored +  and golden-brown +
basal +  and proximal +
oblong-lanceolate;orbiculate +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
cylindric +
Illustrated +
1.7 cm17 mm <br />0.017 m <br /> (4 cm40 mm <br />0.04 m <br />) +
sharp;blunt +
0.4 cm4 mm <br />0.004 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex oreocharis var. enantiomorpha +
Carex oreocharis +
Carex sect. Filifoliae +
species +
plant +  and cespitose +