Carex triquetra

Boott

Proc. Linn. Soc. London 1: 259. 1846.

IllustratedConservation concern
Treatment appears in FNA Volume 23. Treatment on page 490. Mentioned on page 487.

Culms 30–75 cm, ± smooth. Leaf-blades 2–4 mm wide, margins revolute. Spikes: lateral spikes all in distal 1/2 of stem, 10–45 × 4–7 mm; terminal spikes 10–35 × 2–4 mm. Pistillate scales 3-veined, ovate to ovate-circular, 3.7–5 × 2–2.6 mm, proximal ones shorter than perigynia. Perigynia 3.7–4.5 × 2–2.5. Achenes sessile, 3.3–3.5 × 1.9–2.5 mm.


Phenology: Fruiting late spring.
Habitat: Dry grasslands and scrub
Elevation: 0–600 m

Distribution

V23 909-distribution-map.jpg

Calif., Mexico (Baja California)

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Carex triquetra"
0.33 cm3.3 mm <br />0.0033 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
trigonous +
1.9mm;2.5mm +
Peter W. Ball +
shortened +
rounded-tapering +
Triquetrae +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
m--shaped +
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 +
30 cm300 mm <br />0.3 m <br /> (75 cm750 mm <br />0.75 m <br />) +
Calif. +  and Mexico (Baja California) +
0–600 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry grasslands and scrub +
prophyllate +, pedunculate +, , +  and pistillate +
1 cm10 mm <br />0.01 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
with (1-)3-6(-30) bristles and/or scales +
subsessile +  and sessile +
Fruiting late spring. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Proc. Linn. Soc. London +
adventitious +
3-veined +  and pistillate +
brown +, green +  and hyaline +
0.37 cm3.7 mm <br />0.0037 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
basal +  and proximal +
ovate;ovate-circular +
2mm;2.6mm +
cylindric +
0 cm0 mm <br />0 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Illustrated +  and Conservation concern +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex triquetra +
Carex sect. Triquetrae +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
plant +  and cespitose +