Carex supina subsp. spaniocarpa

(Steudel) Hultén

Acta Univ. Lund., n. s. 38: 365. 1942.

Illustrated
Basionym: Carex spaniocarpa Steudel Syn. Pl. Glumac. 2: 225. 1855
Treatment appears in FNA Volume 23. Treatment on page 557. Mentioned on page 553.

Plants loosely cespitose, usually long-rhizomatous. Culms to 30 cm. Leaf-blades 3–15 cm × 1–1.5 mm. Spikes: staminate 5–15 × 1–2 mm; pistillate to 15 × 5 mm. Pistillate scales redbrown, margins hyaline, ovate to ovate-circular, 2–3.5 × 1.4–2.2 mm, apex subobtuse to acuminate, ± covering perigynium body. Staminate scales light-brown, margins hyaline, oblong-lanceolate, 3–4.5 × 1–1.8 mm, apex acute. Perigynia yellow-green to brown, 2.5–3.3 × 1.2–2 mm; beak 0.4–0.9 mm. Achenes obovoid, 1.7–2 × 1.3–1.4 mm. 2n = 36.


Phenology: Fruiting summer.
Habitat: Dry meadows and bluffs, rock outcrops, sandy soil on lakeshores and flood plains
Elevation: 10–1300 m

Distribution

V23 1061-distribution-map.jpg

Greenland, B.C., Man., N.W.T., Nunavut, Ont., Sask., Yukon, Alaska, Minn., nc, ne Asia (Siberia), ne Asia (Russian Far East)

Discussion

Selected References

None.

Lower Taxa

None.
0.17 cm1.7 mm <br />0.0017 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1.3mm;1.4mm +
Peter W. Ball +  and David F. Murray +
(Steudel) Hultén +
shortened +
not +  and fibrous +
rounded +  and tapering +
Carex spaniocarpa +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
thread-like +  and v--shaped +
0mm;20mm +
short-sheathing +  and sheathless +
2-ranked +  and arranged +
ascending +  and appressed +
with short threadlike blade +  and scale-like +
parallel +  and divergent +
terete +, rolled +  and plicate +
purple +  and red +
round +  and trigonous +
0 cm0 mm <br />0 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Greenland +, B.C. +, Man. +, N.W.T. +, Nunavut +, Ont. +, Sask. +, Yukon +, Alaska +, Minn. +, nc +, ne Asia (Siberia) +  and ne Asia (Russian Far East) +
10–1300 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry meadows and bluffs, rock outcrops, sandy soil on lakeshores and flood plains +
septate-nodulose +
prophyllate +, subsessile +  and short-pedunculate +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
3mm;4.5mm +
oblong-lanceolate;ovate;ovate-circular +
1mm +  and 1.8mm +
bidentate +  and entire +
with (1-)3-6(-30) bristles and/or scales +
veined +  and veinless +
yellow-green +  and brown +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
ascending +  and spreading +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Fruiting summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Acta Univ. Lund., n. s. +
adventitious +
staminate +  and pistillate +
light-brown +  and redbrown +
basal +  and proximal +
2-keeled +
septate-nodulose +
Illustrated +
pistillate +  and staminate +
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex supina subsp. spaniocarpa +
Carex supina +
subspecies +
plant +  and cespitose +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +