Carex luzulina

Olney

Proc. Amer. Acad. Arts 7: 395. 1868.

IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 481. Mentioned on page 477, 479, 480.

Plants densely or loosely cespitose; rhizomes short, thick or thin. Culms to 90 cm. Inflorescences with 3–7 spikes; peduncles of proximal spikes exserted (0.5–) 1 cm; proximal bracts with blades 12–80 mm, sheaths cylindric, 12–58 mm, mouth not purple-banded, 0.6–2 mm wide. Lateral spikes pistillate or androgynous, erect to pendent, purple or purple and brown, 12–32 × 5–10 mm;. Terminal spike staminate, ± erect, 11–66 × 3–8 mm. Pistillate scales redbrown to dark purple with paler midvein, ovate to obovate, 1.9–3.5 × 1–1.7 mm, apex acute or obtuse. Staminate scales gold to purple-brown with pale, 2.9–4.5 × 0.7–1.6 mm, midvein ciliate, margins scarious, apex obtuse. Anthers (1.9–) 2–3 mm. Perigynia ascending to spreading, green to purple, indistinctly or distinctly 9-20-veined, (3–) 3.5–5.5 × 0.9–1.6 (–1.8) mm, usually without flat margins around achene, usually glabrous, margins often ciliate-setose distally; beak 0.5–1.5 mm, tip dark purple, often ciliate-setose, distance from perigynium beak tip to achene apex less than 2.5 mm. Achenes ± obovoid, 1.3–2 × 0.7–1.1 mm.

Distribution

V23 884-distribution-map.jpg

B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Spikes dense; perigynia ± spreading, green or gold with red-brown or purple blotches; pale midvein of pistillate scales more than 0.2 mm wide and extending to tip. Carex luzulina var. luzulina
1 Spikes lax; perigynia ascending, purple at least distally; pale midvein of pistillate scales usually less than 0.2 mm wide and not extending to tip. Carex luzulina var. ablata

"thin" is not a number. "thick" is not a number.

... more about "Carex luzulina"
0 cm0 mm <br />0 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
smaller +
0.7mm;1.1mm +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
hispidulous +, setose +  and glabrous +
Peter W. Ball +  and Joy Mastrogiuseppe +
shortened +
tapered +  and rounded +
straight +
bidentate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
v--shaped +
1.2 cm12 mm <br />0.012 m <br /> (?) +  and 8 cm80 mm <br />0.08 m <br /> (?) +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
round +  and trigonous +
0 cm0 mm <br />0 m <br /> (90 cm900 mm <br />0.9 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
1.2 cm12 mm <br />0.012 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
erect +  and pendent +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
ciliate-setose +
not purple-banded +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
green +  and purple +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
ascending +  and spreading +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
scale-like +  and filiform +
Proc. Amer. Acad. Arts +
adventitious +
staminate +  and pistillate +
gold +  and purple-brown with pale +
0.29 cm2.9 mm <br />0.0029 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
basal +  and proximal +
ovate;obovate +
0.7mm;1.6mm +
cylindric +
1.2 cm12 mm <br />0.012 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
Illustrated +  and Endemic +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (?) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex sect. Ferrugineae +
Carex luzulina +
Carex sect. Aulocystis +
species +
gynecandrous +  and androgynous +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
dark purple +
ciliate-setose +
stoloniferous +  and rhizomatous +
plant +  and cespitose +