Difference between revisions of "Rhynchospora microcephala"
Fl. S.E. U.S., 195. 1903.
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| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Rhynchospora axillaris var. microcephala | |name=Rhynchospora axillaris var. microcephala | ||
|authority=Britton | |authority=Britton | ||
| + | |rank=variety | ||
| + | |publication_title=Trans. New York Acad. Sci. | ||
| + | |publication_place=11: 89. 1892 (as Rynchospora) | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Rhynchospora cephalantha var. microcephala | |name=Rhynchospora cephalantha var. microcephala | ||
|authority=(Britton) Kükenthal | |authority=(Britton) Kükenthal | ||
| + | |rank=variety | ||
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|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora microcephala | |hierarchy=Cyperaceae;Rhynchospora;Rhynchospora microcephala | ||
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name=Rhynchospora microcephala | name=Rhynchospora microcephala | ||
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|authority=(Britton) Britton ex Small | |authority=(Britton) Britton ex Small | ||
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|publication title=Fl. S.E. U.S., | |publication title=Fl. S.E. U.S., | ||
|publication year=1903 | |publication year=1903 | ||
| − | |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_366.xml |
|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora microcephala | |species=Rhynchospora microcephala | ||
Latest revision as of 21:40, 5 November 2020
Illustrator:
Copyright:
Plants perennial, cespitose, 30–90 cm; rhizomes absent. Culms arching or erect, leafy, nearly terete, multiribbed, slender. Principal leaves overtopped by culm; blades linear, proximally flattened, 1–3 mm wide, apex tapering, trigonous. Inflorescences: spikelet clusters 2–6, mostly widely spaced; clusters dense, hemispheric to mostly spheroid, 0.5–1 cm thick. Spikelets dark redbrown to dark brown, lanceovoid, (2–)2.5–3.5(–4) mm, apex acute; fertile scales elliptic, 2–3 mm, apex acute, midrib shortexcurrent or not. Flowers: perianth bristles 6, reaching tubercle tip, retrorsely barbellate. Fruits 1 per spikelet, 2.5–3 mm; body pale brown with light center, lenticular, obovoid distal to stipe, 1.1–1.5 × 0.9–1.1 mm, margins pale, wirelike, surfaces slick; tubercle triangularsubulate, 0.9–1.2(–1.5) mm, at least 0.5 mm wide at base.
Phenology: Fruiting summer–fall.
Habitat: Sands and sandy peats of savanna swales, pineland seeps, bogs, ditches, pond shores and banks
Elevation: 0–200 m
Distribution
Ala., Del., D.C., Fla., Ga., La., Md., Miss., N.J., N.C., S.C., Va., West Indies (Cuba).
Discussion
Selected References
None.