Difference between revisions of "Rhynchospora colorata"
Repert. Spec. Nov. Regni Veg. 38: 89. 1935.
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|name=Schoenus coloratus | |name=Schoenus coloratus | ||
|authority=Linnaeus | |authority=Linnaeus | ||
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|name=Scirpus cephalotes | |name=Scirpus cephalotes | ||
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|name=Dichromena colorata | |name=Dichromena colorata | ||
|authority=(Linnaeus) Hitchcock | |authority=(Linnaeus) Hitchcock | ||
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|name=Dichromena leucocephala | |name=Dichromena leucocephala | ||
|authority=Michaux | |authority=Michaux | ||
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|name=Rhynchospora drummondiana | |name=Rhynchospora drummondiana | ||
|authority=Steudel | |authority=Steudel | ||
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|elevation=0–300 m | |elevation=0–300 m | ||
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;S.C.;Tex.;Va.;Mexico;West Indies;Central America;South America (French Guiana). | |distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;S.C.;Tex.;Va.;Mexico;West Indies;Central America;South America (French Guiana). | ||
| − | |discussion=<p>Rhynchospora colorata is a slender and clonal version of R. latifolia, with a distinct preference for more basic substrates; involucral bracts are very slender and have a longer portion of green, usually reaching well proximal to midbract.</p><!-- | + | |discussion=<p><i>Rhynchospora colorata</i> is a slender and clonal version of <i>R. latifolia</i>, with a distinct preference for more basic substrates; involucral bracts are very slender and have a longer portion of green, usually reaching well proximal to midbract.</p><!-- |
| − | --><p>See also 16. Rhynchospora latifolia.</p> | + | --><p>See also 16. <i>Rhynchospora latifolia</i>.</p> |
|tables= | |tables= | ||
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|publication year=1935 | |publication year=1935 | ||
|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_371.xml |
|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora colorata | |species=Rhynchospora colorata | ||
Revision as of 16:07, 18 September 2019
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Plants perennial, cespitose or solitary, to 70 cm; rhizomes slender, scaly, to 2 mm thick. Culms erect, slender, leafy-based, trigonous, several-ribbed. Leaves spreading to erect, overtopped by culm; blades narrowly linear, proximally flattened, 0.5–3 mm wide, apex tapering, trigonous. Inflorescences terminal, solitary, headlike, dense, white, leafy-involucrate; involucral bracts several, flaring to recurved, white from broadened base nearly to median, then green to tapered tip, longer bracts 13 cm × 2–7 mm. Spikelets white, ovoid, 5–7 mm, apex acute; fertile scales many, boatshaped, sharply curvedkeeled, 3–4(–5) mm, apex acute or blunt. Flowers: perianth absent. Fruits several per spikelet, 1.5–1.7(–2) mm; body yellow to mahogany, broadly pyriformobovoid, tumidly lenticular, 1 × 0.5–0.7 mm, widest at apex, margins thickened, interrupted at base of tubercle; surfaces transversely undulaterugose, ridges contiguous, of shortlinear papillae; tubercle broadly triangular, 0.5–0.6 mm, graycrustaceous, apex short acuminate. 2n = 12.
Phenology: Fruiting late spring–summer.
Habitat: Sands, peats, and silt of interdunal swales, shores, meadowy swales, and marsh edges, sometimes fens, usually on circumneutral or basic substrates
Elevation: 0–300 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tex., Va., Mexico, West Indies, Central America, South America (French Guiana).
Discussion
Rhynchospora colorata is a slender and clonal version of R. latifolia, with a distinct preference for more basic substrates; involucral bracts are very slender and have a longer portion of green, usually reaching well proximal to midbract.
See also 16. Rhynchospora latifolia.
Selected References
None.