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.
Revision as of 02:05, 30 July 2020 by imported>Volume Importer
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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 +