Carex verrucosa

Muhlenberg

Descr. Gram., 261. 1817.

IllustratedEndemic
Synonyms: Carex glaucescens var. androgyna M. A. Curtis Carex macrokolea Steudel
Treatment appears in FNA Volume 23. Treatment on page 422. Mentioned on page 420, 421.

Culms to 125 cm. Leaves: sheaths glaucous, fronts indistinctly veined, veins not persisting, apex thin, concave; blades 120 cm × 10 mm, glabrous or sparsely scabrous on margins and abaxial surface. Inflorescences with 5–7 spikes, 30 cm; peduncle of terminal spike to 3.5–6 cm; proximal bracts equaling or exceeding inflorescence, 3–5 mm wide; lateral spikes erect, 2–6 cm × 7 mm; terminal staminate spikelets usually absent. Pistillate scales shorter and narrower than perigynia, apex retuse, awn to 2 mm. Perigynia ascending, redbrown or whitish, angles veined, faces inconspicuously 3–8-veined, stipitate, widely elliptic or obovate, 3.2–4 × 2.5–3 mm, base rounded, apex obtuse to somewhat tapered, densely papillose with rounded white papillae, sometimes strongly glaucous; stipe to 0.2 mm; beak to 0.2 mm, entire. Achenes rhomboid, 2.5–2.7 × 2.5–2.7 mm, base not conspicuously broadened.


Phenology: Fruiting Jun–Jul.
Habitat: Shallow water in cypress ponds, shallow depressions in marshes
Elevation: 0–200 m

Distribution

V23 772-distribution-map.jpg

Ala., Fla., Ga., La., N.C., S.C., Tex.

Discussion

Numerous authors have considered Carex verrucosa and C. glaucescens conspecific. L. H. Bailey (1889) stated that the two forms are not sufficiently distinct to merit even a varietal separation. The two taxa are separable on proximal sheaths, spike orientation, presence of staminate spikelets at the apex of pistillate spikes, perigynium shape, and achene shape. They are also phenologically distinct, with flowering times separated by 1–2 months.

Selected References

None.

Lower Taxa

None.
... more about "Carex verrucosa"
0.25 cm2.5 mm <br />0.0025 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
rhomboid +
smaller +
2.5mm;2.7mm +
papillose +
Lisa A. Standley +
Muhlenberg +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
shortened +
rounded +
broadened +
bidentate +  and erose-ciliate to very +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
120 cm1,200 mm <br />1.2 m <br /> (?) +
more prominent +
scabrous +  and glabrous +
m--shaped +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
glaucous +, scabrous +  and glabrous +
reddish purple +
round +  and trigonous +
0 cm0 mm <br />0 m <br /> (125 cm1,250 mm <br />1.25 m <br />) +
Ala. +, Fla. +, Ga. +, La. +, N.C. +, S.C. +  and Tex. +
0–200 m +
stipitate +  and 3-8-veined +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
obovate;elliptic +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Shallow water in cypress ponds, shallow depressions in marshes +
30 cm300 mm <br />0.3 m <br /> (?) +
prophyllate +, pedunculate +, some +  and pistillate +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
7 cm70 mm <br />0.07 m <br /> (?) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
papillose +
rounded +  and tapered +
with (1-)3-6(-30) bristles and/or scales +
sessile +  and veined +
whitish +  and redbrown +
Fruiting Jun–Jul. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
long-sheathing +  and leaflike +
exceeding inflorescence +  and equaling +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Descr. Gram., +
black +  and brown +
adventitious +
basal +  and proximal +
2-keeled +
shorter and narrower +
cylindric +
W1 +, Illustrated +  and Endemic +
3.5 cm35 mm <br />0.035 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
0 cm0 mm <br />0 m <br /> (?) +  and 0.02 cm0.2 mm <br />2.0e-4 m <br /> (?) +
deciduous +
2-3(-4)-fid +
Carex glaucescens var. androgyna +  and Carex macrokolea +
Carex verrucosa +
Carex sect. Glaucescentes +
species +
not persisting +
plant +  and cespitose +