Carex fissuricola

Mackenzie

Muhlenbergia 5: 53. 1909.

IllustratedEndemic
Synonyms: Carex ablata var. luzuliformis L. H. Bailey
Treatment appears in FNA Volume 23. Treatment on page 480. Mentioned on page 478, 479.

Plants densely or loosely cespitose; rhizomes thick, short. Culms to 80 cm. Leaves: blades 3–8 mm wide. Inflorescences with 3–5 spikes; peduncles of proximal spikes exserted more than 1 cm; proximal bracts with blade (10–) 15–50 mm, sheaths cylindric to ± expanded to mouth, 20–37 mm, mouth with narrow, ± purple band at top, usually Y or V-shaped, mouth 0.7–1.8 mm wide. Lateral spikes pistillate or often androgynous, purple to brown, proximal spikes pendent to erect, 14–25 × 4–7 mm. Terminal spike staminate or androgynous, ± erect, 10–21 × 4.5–6 mm. Pistillate scales purple or brown with pale, usually indistinctly veined, ovate to elliptic, 2.3–3.8 × 0.8–1.7 mm, midvein and margins ciliate, apex obtuse to short-awned. Staminate scales purple or reddish-brown with pale midvein, ovate to obovate, 3–4.4 × 1–1.4 mm, margins slightly ciliate, apex obtuse. Anthers 1.5–3 mm. Perigynia ascending, usually purple or redbrown, veins usually indistinct, ovate to elliptic, 3.2–5.5 × 0.9–1.7 (–2) mm, margins flat, less than 1/2 mature achene width, margins setose-ciliate distally, usually at least sparsely hispidulous to shortly setose; beak ± distinct, apex brown to purple, setose-ciliate, distance from beak tip to achene apex usually more than 2 mm. Achenes obovoid, body 1.5–2 × 0.8–1 mm.


Phenology: Fruiting summer.
Habitat: Meadows, rocky stream banks
Elevation: 1500–3500 m

Distribution

V23 881-distribution-map.jpg

Calif., Idaho, Mont., Nev., Utah.

Discussion

Carex fissuricola is intermediate between C. luzulifolia and C. luzulina. A population in Lemhi County, Idaho, has the terminal spike gynecandrous and the perigynium glabrous or subglabrous. It is tentatively included in C. fissuricola.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Carex fissuricola"
smaller +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
brown +  and purple +
hispidulous +, setose +  and glabrous +
Peter W. Ball +  and Joy Mastrogiuseppe +
Mackenzie +
shortened +
tapered +  and rounded +
straight +
distinct +
bidentate +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
v--shaped +
1.5 cm15 mm <br />0.015 m <br /> (?) +  and 5 cm50 mm <br />0.05 m <br /> (?) +
3mm;8mm +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 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 trigonous +
0 cm0 mm <br />0 m <br /> (80 cm800 mm <br />0.8 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
Calif. +, Idaho +, Mont. +, Nev. +  and Utah. +
1500–3500 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Meadows, rocky stream banks +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
at-least sparsely hispidulous +  and shortly setose +
0 +  and 1/2 +
setose-ciliate +
v--shaped +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
stipitate +, veined +  and veinless +
redbrown +  and purple +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Fruiting summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
scale-like +  and filiform +
1.4 cm14 mm <br />0.014 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
pendent +  and erect +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Muhlenbergia +
adventitious +
staminate +, veined +  and pistillate +
reddish-brown +, purple +  and brown with pale +
0.3 cm3 mm <br />0.003 m <br /> (0.44 cm4.4 mm <br />0.0044 m <br />) +
basal +  and proximal +
ovate;obovate +
1mm;1.4mm +
cylindric +
expanded +
2 cm20 mm <br />0.02 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
Illustrated +  and Endemic +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex ablata var. luzuliformis +
Carex fissuricola +
Carex sect. Aulocystis +
species +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
indistinct +
0.9mm +  and 1.7mm +
stoloniferous +  and rhizomatous +
plant +  and cespitose +