Carex timida

R. F. C. Naczi & B. A. Ford

Sida 19: 879, figs. 3C, 4A–C, 5C, 7. 2001.

Treatment appears in FNA Volume 23. Treatment on page 561. Mentioned on page 559, 560.

Culms 4.6–34 cm; cataphylls with bulging cells. Leaves: basal sheaths dark-brown, tinged red-purple; blades green, exceeding culms, 1–4.3 mm wide, herbaceous, margins green, scabrous. Lateral spikes 1–3, basal, on widely spreading to nodding peduncles. Terminal spikes with staminate portion 2–12-flowered, 3.4–5.6 (–6.2) × 0.6–1 mm; pistillate portion 2–3 (–4) -flowered. Pistillate scales green, margins hyaline, white or with brown submarginal band, 1.6–2.4 mm wide, not more than 1.5 times as and not concealing perigynia; distal scales with hyaline margins 0.4–0.8 mm wide. Staminate scales white or pale green with subapical brown band, margins connate, enfolding scales above, (1.9–) 2.1–3.3 mm, (0.33–) 0.4–0.75 length of staminate portion of terminal spike, apex truncate or broadly obtuse. Anthers 0.4–1.5 mm. Perigynia 2–3 (–4) per spike, pale green to pale-brown, narrowly ovoid, obovoid, or ellipsoid, (4–) 4.4–5.6 (–6) × 1.6–2.1 mm, tightly enveloping achenes, apex abruptly tapering; beak 1.4–2.3 (–2.5) mm, scabrous. Stigmas filiform, flexuous, long, slender, strongly papillose. Achenes brown, subglobose, 2.1–2.5 × 1.6–2.1 mm.


Phenology: Fruiting spring–summer (May–Jul).
Habitat: Mesic deciduous woods, mixed deciduous and juniper woodlands, on lime-rich substrates
Elevation: 200–500 m

Distribution

V23 1069-distribution-map.jpg

Ala., Ark., Ind., Ky., Mo., Ohio, Okla., Tenn.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex timida"
0.21 cm2.1 mm <br />0.0021 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
subglobose +
1.6mm;2.1mm +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
William J. Crins +, Robert F. C. Naczi +, A. A. Reznicek +  and Bruce A. Ford +
R. F. C. Naczi & B. A. Ford +
shortened +
tinged red-purple;dark-brown +
tapering +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
flattened-triangular +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
v--shaped +
1mm;4.3mm +
smaller +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
2 +  and widest +
round +  and trigonous +
4.6 cm46 mm <br />0.046 m <br /> (34 cm340 mm <br />0.34 m <br />) +
Ala. +, Ark. +, Ind. +, Ky. +, Mo. +, Ohio +, Okla. +  and Tenn. +
200–500 m +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Mesic deciduous woods, mixed deciduous and juniper woodlands, on lime-rich substrates +
septate-nodulose +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
stipitate +  and 2-veined +
hyaline +, with brown submarginal band +, white +  and green +
lanceolate;oblong-lanceolate rounded-trigonous +
1.5+ times as and not concealing perigynia +
0.4mm +  and 0.8mm +
with (1-)3-6(-30) bristles and/or scales +
veined +  and veinless +
0.56 cm5.6 mm <br />0.0056 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
pale green +  and pale-brown +
0.44 cm4.4 mm <br />0.0044 m <br /> (0.56 cm5.6 mm <br />0.0056 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
Fruiting spring–summer (May–Jul). +
2-3(-4)-carpellate +
2-3(-4)-flowered +, pistillate +, 2-12-flowered +  and staminate +
3 (?) +  and 1 (?) +
adventitious +
staminate +  and pistillate +
pale green +, white +  and green +
basal +  and proximal +
2-keeled +
septate-nodulose +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillose +
filiform +
slender +
deciduous +
dilated +
Carex timida +
Carex sect. Phyllostachyae +
species +
0.56 cm5.6 mm <br />0.0056 m <br /> (0.62 cm6.2 mm <br />0.0062 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
plant +  and cespitose +