Carex purpurifera

Mackenzie in J. K. Small

in J. K. Small, Man. S.E. Fl., 216, 1503. 1933.

IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 437. Mentioned on page 433.

Culms densely tufted, erect, ascending, rarely decumbent, 28–56 cm × 0.7–1.2 mm. Leaves: basal sheaths purple; sheaths 7–54 mm; blades erect or ascending, midrib well developed especially abaxially, 2 lateral-veins developed adaxially, flat, 24–48 cm × 5–10 mm, dead leaves lateral to new clumps; blade of owerwintered leaves desnsely papillose abaxially. Inflorescences: peduncles of pistillate spike absent; of terminal spike (0.4–) 3.1–5.4 (–15.7) cm. Bracts 0.14–0.92 cm × 2–3.5 mm, bract blade of distal lateral spikes linear, narrower than spikes; widest bract blade of distalmost lateral spike 0.5–3.4 mm wide. Spikes usually 4 per culm; lateral spikes 14–45 × 2.2–4.5 mm; terminal spike linear, 12–32 × 2–3.5 mm; exeeding bract blade of distalmost lateral spike. Pistillate scales 3–5 × 1.4–2 mm, apex acute to aristate, awn to 2 mm, serrulate. Staminate scales 7–11 × 1.2–2 mm, margins hyaline or purplish. Anthers 3.2–4 mm. Perigynia 4–16 per spike, loosely overlapping, ratio of longer lateral spike length to perigynia number 1.9–3.4, finely, conspicuously (22–) 25–32-veined, oblongelliptic, 3.6–4.1 × 1.8–2.2 mm; beak slightly curved, 0.8–1.4 mm. Achenes ovate, 3.4–3.8 × 1.6–2 mm. 2n = 34, 36, 38.


Phenology: Fruiting spring.
Habitat: Moist, deciduous or, rarely, mixed deciduous-evergreen forests, around limestone escarpments, washes, sinks, and cave entrances
Elevation: 200–1100 m

Distribution

V23 801-distribution-map.jpg

Ala., Ga., Ky., N.C., Ohio, Tenn., Va.

Discussion

Selected References

None.

Lower Taxa

None.

"narrower" is not a number.

... more about "Carex purpurifera"
38 +, 36 +  and 34 +
0.34 cm3.4 mm <br />0.0034 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
1.6mm;2mm +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Charles T. Bryson +  and Robert F. C. Naczi +
Mackenzie in J. K. Small +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
shortened +
tapering +
Laxiflorae +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
papillose +
m--shaped +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.92 cm9.2 mm <br />0.0092 m <br />) +
ascending +  and appressed +
scale-like +  and leaflike +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
parallel +  and divergent +
terete +, rolled +  and plicate +
purple +  and brown +
28 cm280 mm <br />0.28 m <br /> (56 cm560 mm <br />0.56 m <br />) +
ascending +  and erect +
round +  and trigonous +
0.7mm;1.2mm +
Ala. +, Ga. +, Ky. +, N.C. +, Ohio +, Tenn. +  and Va. +
200–1100 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Moist, deciduous or, rarely, mixed deciduous-evergreen forests, around limestone escarpments, washes, sinks, and cave entrances +
prophyllate +, pedunculate +  and pistillate +
1.4 cm14 mm <br />0.014 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
24cm +  and 48cm +
basal +  and cauline +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
purplish +  and hyaline +
with (1-)3-6(-30) bristles and/or scales +
(22-)25-32-veined +
not black-mottled +, yellowbrown +  and dark-brown +
0.36 cm3.6 mm <br />0.0036 m <br /> (0.41 cm4.1 mm <br />0.0041 m <br />) +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Fruiting spring. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
long-sheathing +  and leaflike +
awned +  and acute +
in J. K. Small, Man. S.E. Fl., +
adventitious +
staminate +  and pistillate +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
basal +  and proximal +
2-keeled +
1.2mm;2mm +
cylindric +
0.7 cm7 mm <br />0.007 m <br /> (5.4 cm54 mm <br />0.054 m <br />) +
Illustrated +  and Endemic +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.34 cm3.4 mm <br />0.0034 m <br /> (?) +
5.4 cm54 mm <br />0.054 m <br /> (15.7 cm157 mm <br />0.157 m <br />) +
3.1 cm31 mm <br />0.031 m <br /> (5.4 cm54 mm <br />0.054 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex purpurifera +
Carex sect. Laxiflorae +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
plant +  and cespitose +