Difference between revisions of "Blysmopsis rufa"
Notes Roy. Bot. Gard. Edinburgh 33: 310. 1974.
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|name=Blysmus rufus | |name=Blysmus rufus | ||
|authority=(Hudson) Link | |authority=(Hudson) Link | ||
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|name=Scirpus rufus | |name=Scirpus rufus | ||
|authority=(Hudson) Schrader | |authority=(Hudson) Schrader | ||
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|name=Scirpus rufus var. neogaeus | |name=Scirpus rufus var. neogaeus | ||
|authority=Fernald | |authority=Fernald | ||
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>loosely cespitose. <b>Rhizomes</b> horizontal, slender, 1–3 mm thick. <b>Culms</b> (5–)10–45 cm × 1–2(–3) mm, glabrous. <b>Leaves</b> 1–3; ligules 0.3 mm; blades distichous, thickly crescentiform in cross section, 2–12(–18) cm × 1.5–4 mm, conspicuous midrib absent, apex blunt, glabrous. <b>Inflorescences</b> in loose spikes, 5–8; spikelets distichous, spreading-ascending, 1–2 cm; bracts erect to oblique, leaflike or scalelike, 4–15 mm. <b>Spikelets</b> linear-lanceoid to subterete, 3–6(–10) × 3–4.5 mm; floral scales deciduous, 3, tristichous, reddish brown, oblong-lanceolate, 3–5 × 2–3 mm, apex acute, glossy; prophylls linear, subtending flower. <b>Flowers</b>: perianth bristles separating from achene when mature, white, 0.5–1.2 mm, apex antrorsely roughened or barbed; anthers linear, 2.5–3 mm; connective apices barely 0.1 mm, obtuse, smooth; style as long as stigmas. <b>Achenes</b> yellowish brown, narrowly ellipsoid, dorsiventrally compressed, 4–5 × 1–1.3(–1.7) mm, base cuneate-stipelike, apex acute, beaked, smooth; embryo turbinate with lateral coleoptile and basal root cap ( | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>loosely cespitose. <b>Rhizomes</b> horizontal, slender, 1–3 mm thick. <b>Culms</b> (5–)10–45 cm × 1–2(–3) mm, glabrous. <b>Leaves</b> 1–3; ligules 0.3 mm; blades distichous, thickly crescentiform in cross section, 2–12(–18) cm × 1.5–4 mm, conspicuous midrib absent, apex blunt, glabrous. <b>Inflorescences</b> in loose spikes, 5–8; spikelets distichous, spreading-ascending, 1–2 cm; bracts erect to oblique, leaflike or scalelike, 4–15 mm. <b>Spikelets</b> linear-lanceoid to subterete, 3–6(–10) × 3–4.5 mm; floral scales deciduous, 3, tristichous, reddish brown, oblong-lanceolate, 3–5 × 2–3 mm, apex acute, glossy; prophylls linear, subtending flower. <b>Flowers</b>: perianth bristles separating from achene when mature, white, 0.5–1.2 mm, apex antrorsely roughened or barbed; anthers linear, 2.5–3 mm; connective apices barely 0.1 mm, obtuse, smooth; style as long as stigmas. <b>Achenes</b> yellowish brown, narrowly ellipsoid, dorsiventrally compressed, 4–5 × 1–1.3(–1.7) mm, base cuneate-stipelike, apex acute, beaked, smooth; embryo turbinate with lateral coleoptile and basal root cap (“<i>Carex</i>-type”). <b>2n</b> = 40.</span><!-- |
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|elevation=0–200 m | |elevation=0–200 m | ||
|distribution=Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Europe;Asia. | |distribution=Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Nunavut;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Europe;Asia. | ||
| − | |discussion=<p>Blysmopsis has been included in Scirpus or more recently treated within Blysmus. The current case for generic status was presented by J. J. Bruhl (1995). Blysmopsis differs from Blysmus in having thickly crescentiform leaf blades (not flat), terete or elliptic culms (not roundly trigonous), antrorsely (not retrorsely barbed) perianth bristles, and spongy, irregularly thickened fruit mesocarp layer (not regularly thickened). In the last feature, Blysmopsis is more like Cladium than its closer relatives Blysmus and Dulichium.</p> | + | |discussion=<p><i>Blysmopsis</i> has been included in <i>Scirpus</i> or more recently treated within Blysmus. The current case for generic status was presented by J. J. Bruhl (1995). <i>Blysmopsis</i> differs from Blysmus in having thickly crescentiform leaf blades (not flat), terete or elliptic culms (not roundly trigonous), antrorsely (not retrorsely barbed) perianth bristles, and spongy, irregularly thickened fruit mesocarp layer (not regularly thickened). In the last feature, <i>Blysmopsis</i> is more like <i>Cladium</i> than its closer relatives Blysmus and <i>Dulichium</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1974 | |publication year=1974 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V23/V23_353.xml |
|genus=Blysmopsis | |genus=Blysmopsis | ||
|species=Blysmopsis rufa | |species=Blysmopsis rufa | ||
Revision as of 17:07, 18 September 2019
Plants loosely cespitose. Rhizomes horizontal, slender, 1–3 mm thick. Culms (5–)10–45 cm × 1–2(–3) mm, glabrous. Leaves 1–3; ligules 0.3 mm; blades distichous, thickly crescentiform in cross section, 2–12(–18) cm × 1.5–4 mm, conspicuous midrib absent, apex blunt, glabrous. Inflorescences in loose spikes, 5–8; spikelets distichous, spreading-ascending, 1–2 cm; bracts erect to oblique, leaflike or scalelike, 4–15 mm. Spikelets linear-lanceoid to subterete, 3–6(–10) × 3–4.5 mm; floral scales deciduous, 3, tristichous, reddish brown, oblong-lanceolate, 3–5 × 2–3 mm, apex acute, glossy; prophylls linear, subtending flower. Flowers: perianth bristles separating from achene when mature, white, 0.5–1.2 mm, apex antrorsely roughened or barbed; anthers linear, 2.5–3 mm; connective apices barely 0.1 mm, obtuse, smooth; style as long as stigmas. Achenes yellowish brown, narrowly ellipsoid, dorsiventrally compressed, 4–5 × 1–1.3(–1.7) mm, base cuneate-stipelike, apex acute, beaked, smooth; embryo turbinate with lateral coleoptile and basal root cap (“Carex-type”). 2n = 40.
Phenology: Fruiting late summer.
Habitat: Coastal and inland salt or brackish marshes or freshwater peatlands
Elevation: 0–200 m
Distribution
Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Europe, Asia.
Discussion
Blysmopsis has been included in Scirpus or more recently treated within Blysmus. The current case for generic status was presented by J. J. Bruhl (1995). Blysmopsis differs from Blysmus in having thickly crescentiform leaf blades (not flat), terete or elliptic culms (not roundly trigonous), antrorsely (not retrorsely barbed) perianth bristles, and spongy, irregularly thickened fruit mesocarp layer (not regularly thickened). In the last feature, Blysmopsis is more like Cladium than its closer relatives Blysmus and Dulichium.
Selected References
None.