Difference between revisions of "Rhynchospora colorata"
Repert. Spec. Nov. Regni Veg. 38: 89. 1935.
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GeoffLevin (talk | contribs) m (Corrected genus for Dichromena drummondiana Steudel and deleted illegitimate name Scirpus cephalotes Walter) |
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|place=38: 89. 1935 | |place=38: 89. 1935 | ||
|year=1935 | |year=1935 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Schoenus coloratus | |name=Schoenus coloratus | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
|publication_title=Sp. Pl. | |publication_title=Sp. Pl. | ||
|publication_place=1: 43. 1753 | |publication_place=1: 43. 1753 | ||
| − | + | }} | |
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Dichromena cephalotes | |name=Dichromena cephalotes | ||
|authority=Britton | |authority=Britton | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Dichromena colorata | |name=Dichromena colorata | ||
|authority=(Linnaeus) Hitchcock | |authority=(Linnaeus) Hitchcock | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Dichromena leucocephala | |name=Dichromena leucocephala | ||
|authority=Michaux | |authority=Michaux | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
| − | |name= | + | |name=Dichromena drummondiana |
|authority=Steudel | |authority=Steudel | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora colorata | |hierarchy=Cyperaceae;Rhynchospora;Rhynchospora colorata | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Rhynchospora colorata | name=Rhynchospora colorata | ||
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|authority=(Linnaeus) H. Pfeiffer | |authority=(Linnaeus) H. Pfeiffer | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| − | |synonyms=Dichromena cephalotes;Dichromena colorata;Dichromena leucocephala; | + | |synonyms=Dichromena cephalotes;Dichromena colorata;Dichromena leucocephala;Dichromena drummondiana |
| − | |basionyms=Schoenus coloratus | + | |basionyms=Schoenus coloratus |
|family=Cyperaceae | |family=Cyperaceae | ||
|phenology=Fruiting late spring–summer. | |phenology=Fruiting late spring–summer. | ||
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|publication title=Repert. Spec. Nov. Regni Veg. | |publication title=Repert. Spec. Nov. Regni Veg. | ||
|publication year=1935 | |publication year=1935 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_371.xml |
|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora colorata | |species=Rhynchospora colorata | ||
Latest revision as of 14:09, 18 March 2024
Illustrator:
Copyright:
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.