Carex buxbaumii

Wahlenberg

Kongl. Vetensk. Acad. Nya Handl. 24: 163. 1803.

Common names: Carex de Buxbaum
Illustrated
Basionym: Carex polygama Mackenzie 1801
Synonyms: Carex buxbaumii var. anticostensis Raymond Carex holmiana
Treatment appears in FNA Volume 23. Treatment on page 409. Mentioned on page 384, 403, 407, 410, 459.

Plants cespitose, long-rhizomatous. Culms 25–75 cm, distally scabrous. Leaves 2–3.5 mm wide. Inflorescences: proximal bracts shorter than, equaling, or exceeding inflorescences; spikes separate, erect, short-pendunculate, short-oblong or elongate, 10–25 × 6–10 mm; lateral 2–3 (–4) spikes pistillate; terminal spike gynecandrous. Pistillate scales light to dark-brown, lanceolate, shorter or much longer and narrower than perigynia, midvein lighter colored than body, conspicuous, often raised, prominent, apex acute or acuminate, mucronate, mucro 0.5–3 mm. Perigynia ascending, gray green or whitish, faintly veined, elliptic, 2.5–4 × 1.5–2 mm, apex beakless or abruptly beaked, densely papillose; beak to 0.2 mm. Achenes nearly filling body of perigynia. 2n = ca. 106.


Phenology: Fruiting May–Sep.
Habitat: Wet meadows, marshes, fens
Elevation: 20–3000 m

Distribution

V23 738-distribution-map.jpg

Greenland, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., Que., Sask., Yukon, Alaska, Ark., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Kans., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., N.H., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.C., S.Dak., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Eurasia

Discussion

The plant reported by M. Raymond (1950) as Carex hartmanii Cajander is most likely this species (J. Cayouette, pers. comm.).

Selected References

None.

Lower Taxa

None.
... more about "Carex buxbaumii"
trigonous +
smaller +
beaked +  and beakless +
papillose +
David F. Murray +
Wahlenberg +
shortened +
cuneate +  and more or less rounded +
Carex polygama +
bidentate +  and entire +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-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 +
Carex de Buxbaum +
papillose +  and smooth +
red +  and purple +
round +  and trigonous +
25 cm250 mm <br />0.25 m <br /> (75 cm750 mm <br />0.75 m <br />) +
Greenland +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Ark. +, Colo. +, Conn. +, Del. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +  and Eurasia +
20–3000 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Wet meadows, marshes, fens +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
lighter colored +
prominent +, raised +  and conspicuous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
whitish +  and gray green +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Fruiting May–Sep. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
scale-like;,;thread-like +
ladder-fibrillose +  and veined +
purple +, tinged red +  and dotted +
Kongl. Vetensk. Acad. Nya Handl. +
black without yellowbrown +  and brown +
adventitious +
light +  and dark-brown +
basal +  and proximal +
lanceolate +
much longer and narrower +
cylindric +
Illustrated +
pistillate +  and short-pendunculate +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
elongate;short-oblong +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
2 +  and 3 +
papillate +
deciduous +
2-3(-4)-fid +
Carex buxbaumii var. anticostensis +  and Carex holmiana +
Carex buxbaumii +
Carex sect. Racemosae +
species +
pistillate +  and staminate +
plant +  and cespitose +