Carex appalachica

J. M. Webber & P. W. Ball

Taxon 28: 614. 1979.

Common names: Carex des Appalaches
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 290. Mentioned on page 287, 289.

Plants without short-creeping rhizomes. Culms 20–60 cm, 0.7–1.3 mm wide basally, 0.2–0.5 mm wide distally. Leaves: sheaths tight, green, fronts hyaline; ligules less than 2 mm, wider than long; widest leaf-blades 0.9–1.5 mm wide. Inflorescences with 3–6 spikes, 2–8 cm × 2.5–6.5 mm; proximal internodes more than 2 times as long as proximal spikes; proximal bracts 1–11 cm; spikes with 2–5 (–7) ascending perigynia. Pistillate scales hyaline with green midvein, ovate to circular-ovate, 1.2–1.9 × 0.9–1.6 mm, body 1/2 length of perigynium, apex obtuse, acute, or short-awned. Anthers 0.8–1.3 mm. Perigynia green, faces not veined, 2–3.4 × 0.8–1.3 mm, base of perigynium spongy, thickened, longitudinally striate adaxially, spongy region 0.5–1.1 mm, margins serrulate distally; beak 0.3–1 mm, apical teeth 0.1–0.4 mm. Stigmas coiled or twisted, 0.05–0.08 (–0.09) mm wide. Achenes ovate to obovate, 1.4–2 × 0.8–1.3 mm. 2n = 52.


Phenology: Fruiting late spring–early summer.
Habitat: Dry to mesic deciduous or mixed forests, usually on sandy or rocky soils
Elevation: 100–1000 m

Distribution

V23 492-distribution-map.jpg

Ont., Que., Conn., D.C., Ga., Ky., Maine, Md., Mass., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va.

Discussion

The name Carex radiata has frequently been misapplied to C. appalachica.

Selected References

None.

Lower Taxa

None.

"/2lengthofperigynium" is not declared as a valid unit of measurement for this property."widest" is not a number.

... more about "Carex appalachica"
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
ovate;obovate +
smaller +
0.8mm;1.3mm +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Peter W. Ball +
J. M. Webber & P. W. Ball +
shortened +
white-hyaline +, hyaline +  and narrow +
red tinged +  and brown +
rounded +
bidentate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
v--shaped +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex des Appalaches +
round +  and trigonous +
20 cm200 mm <br />0.2 m <br /> (60 cm600 mm <br />0.6 m <br />) +
0.2mm;0.5mm +
Ont. +, Que. +, Conn. +, D.C. +, Ga. +, Ky. +, Maine +, Md. +, Mass. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Vt. +, Va. +  and W.Va. +
100–1000 m +
0.2 cm2 mm <br />0.002 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry to mesic deciduous or mixed forests, usually on sandy or rocky soils +
, +  and racemose +
sessile +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
wider than long +
with (1-)3-6(-30) bristles and/or scales +
stipitate +, not +  and veined +
Fruiting late spring–early summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
1 cm10 mm <br />0.01 m <br /> (11 cm110 mm <br />0.11 m <br />) +
2+ times as long as proximal spikes +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
adventitious +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
basal +  and proximal +
ovate;circular-ovate +
0.9mm;1.6mm +
cylindric +
Illustrated +  and Endemic +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
twisted +  and coiled +
papillate +
0.05mm +  and 0.08mm +
deciduous +
2-3(-4)-fid +
Carex appalachica +
Carex sect. Phaestoglochin +
species +
rhizomatous +  and short-rhizomatous +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +