Carex epapillosa

Mackenzie in P. A. Rydberg

in P. A. Rydberg, Fl. Rocky Mts., 138, 1060. 1917.

IllustratedEndemic
Synonyms: Carex hagiana Kelso Carex heteroneura var. epapillosa (Mackenzie) F. J. Hermann
Treatment appears in FNA Volume 23. Mentioned on page 411.

Plants densely cespitose. Culms to 25–60 (–100) cm, smooth. Leaves 2–6 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes oblong or clavate, 10–25 × 6–8 mm; proximal spikes separate, usually pendent, often long-pendunculate; distal ones overlapping, erect, contiguous, short-pendunculate; lateral 3–5 spikes pistillate; terminal spike gynecandrous, 1/4 or less staminate. Pistillate scales light to dark-brown, margins hyaline, lanceolate, typically equaling or longer, sometimes shorter and narrower than perigynia, midvein dark, same color as body, inconspicuous, frequently raised, prominent, apex acute to short-mucronate. Perigynia ascending, light to dark-brown with light-brown margins, veinless, obovate or circular, 3.5–4 × 2–3 mm, apex abruptly beaked, smooth; beak 0.3–0.5 mm, shallowly or deeply bidentate, smooth. Achenes filling proximal 1/2 or less of perigynia.


Phenology: Fruiting Jun–Sep.
Habitat: Stream margins in open forest, moist subpalpine and alpine meadows
Elevation: 2000–3700 m

Distribution

V23 742-distribution-map.jpg

Alta., B.C., Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Intermediates between Carex epapillosa and C. heteroneura occur in California, Nevada, and Utah.

Selected References

None.

Lower Taxa

None.
... more about "Carex epapillosa"
trigonous +
smaller +
papillose +  and smooth +
David F. Murray +
Mackenzie in P. A. Rydberg +
shortened +
cuneate +  and more or less rounded +
bidentate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 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 +
papillose +  and smooth +
red +  and purple +
round +  and trigonous +
25 cm250 mm <br />0.25 m <br /> (60 cm600 mm <br />0.6 m <br />) +
contiguous +  and overlapping +
Alta. +, B.C. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
2000–3700 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Stream margins in open forest, moist subpalpine and alpine meadows +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
light-brown +  and hyaline +
lanceolate +
sometimes shorter and narrower +
inconspicuous +  and dark +
prominent +  and raised +
with (1-)3-6(-30) bristles and/or scales +
light +  and dark-brown +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Fruiting Jun–Sep. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
scale-like;,;thread-like +
ladder-fibrillose +  and veined +
purple +, tinged red +  and dotted +
in P. A. Rydberg, Fl. Rocky Mts., +
black without yellowbrown +  and brown +
adventitious +
light +  and dark-brown +
basal +  and proximal +
2-keeled +
cylindric +
Illustrated +  and Endemic +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
clavate;oblong +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
2 +  and 3 +
papillate +
deciduous +
2-3(-4)-fid +
Carex hagiana +  and Carex heteroneura var. epapillosa +
Carex epapillosa +
Carex sect. Racemosae +
species +
stoloniferous +, rhizomatous +  and long +
plant +  and cespitose +