Carex rariflora

(Wahlenberg) Smith in J. E. Smith and J. Sowerby

in J. E. Smith and J. Sowerby, Engl. Bot., plate 2516. 1813.

Common names: Carex rariflore
Illustrated
Basionym: Carex limosa var. rariflora Wahlenberg Kongl. Vetensk. Acad. Nya Handl. 24: 162. 1803
Synonyms: Carex rariflora var. pluriflora (Hultén) T. V. Egorova
Treatment appears in FNA Volume 23. Treatment on page 417. Mentioned on page 382, 418.

Culms phyllopodic, with dead leaf remains at base, 5–35 cm. Leaf-blades 1–2.5 mm wide, margins sometimes involute, scabrid at tip. Inflorescences: proximal bracts 0.5-2 cm, much shorter than inflorescences; lateral spikes 6–15 × 3.5–5 mm, with 2–10 perigynia; terminal spikes 6–20 × 1–2.5 mm. Pistillate scales circular-ovate, 3–4.8 × 2.2–3.4 mm, long as and wider than perigynia, apex obtuse, sometimes mucronate. Staminate scales oblanceolate to obovate, 3.2–4.8 × 1.5–2 mm, apex acute to obtuse. Anthers 2–2.5 mm. Perigynia 2.5–4.5 × 1.6–2 mm, apex rounded; beak absent. 2n = 52.


Phenology: Fruiting summer.
Habitat: Open bogs, meadows, seepage slopes, heath
Elevation: 0–500 m

Distribution

V23 760-distribution-map.jpg

Greenland, St. Pierre and Miquelon, Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Yukon, Alaska, Maine, subarctic Eurasia

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Carex rariflora"
trigonous +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
papillose +
rounded;acute;obtuse +
Peter W. Ball +
(Wahlenberg) Smith in J. E. Smith and J. Sowerby +
rounded +  and tapering +
Carex limosa var. rariflora +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
v--shaped +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex rariflore +
phyllopodic +
purple-brown +  and red +
round +  and trigonous +
5 cm50 mm <br />0.05 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Greenland +, St. Pierre and Miquelon +, Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +, Maine +  and subarctic Eurasia +
0–500 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Open bogs, meadows, seepage slopes, heath +
prophyllate +, pedunculate +  and pistillate +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
gynecandrous +  and androgynous +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
emarginate +  and entire +
with (1-)3-6(-30) bristles and/or scales +
sessile +, stipitate +, 3-7-veined +, veinless +  and (3-)5-7-veined +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Fruiting summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
in J. E. Smith and J. Sowerby, Engl. Bot., plate +
adventitious +
staminate +  and pistillate +
basal +  and proximal +
oblanceolate;obovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cylindric +
0 cm0 mm <br />0 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Illustrated +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
persistent +  and deciduous +
2-3(-4)-fid +
Carex rariflora var. pluriflora +
Carex rariflora +
Carex sect. Limosae +
species +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
plant +  and cespitose +