Difference between revisions of "Rhynchospora pusilla"
Amer. J. Sci. Arts, ser. 2, 7: 409. 1849.
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|name=Phaeocephalum pusillum | |name=Phaeocephalum pusillum | ||
|authority=(Chapman ex M. A. Curtis) House | |authority=(Chapman ex M. A. Curtis) House | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Rhynchospora intermixta | |name=Rhynchospora intermixta | ||
|authority=C. Wright | |authority=C. Wright | ||
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}} | }} | ||
|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora pusilla | |hierarchy=Cyperaceae;Rhynchospora;Rhynchospora pusilla | ||
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name=Rhynchospora pusilla | name=Rhynchospora pusilla | ||
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|authority=Chapman ex M. A. Curtis | |authority=Chapman ex M. A. Curtis | ||
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|publication year=1849 | |publication year=1849 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_382.xml |
|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora pusilla | |species=Rhynchospora pusilla | ||
Revision as of 20:07, 16 December 2019
Illustrator:
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Plants perennial, densely cespitose, 15–50(–60) cm; rhizomes absent. Culms erect or arching, leafy toward base, filiform, terete, wiry. Leaves overtopped by culm; blades linear to filiform, channeled, 0.3–0.5 mm wide, margins deeply involute, apex setaceous. Inflorescences: spikelet clusters 1–2(–3), dense to open, narrowly to broadly turbinate; branches capillary, variously elongate; leafy bracts setaceous, equaling or exceeding clusters. Spikelets variously brown, ellipsoid, 2–3 mm, apex sharply acute; fertile scales ovate to nearly orbiculate, rounded, 1.2–1.8 mm, apiculate, convexcupulate, midrib slender, mostly included. Flowers: perianth absent. Fruits 2–3 per spikelet, 0.7–0.9(–1) mm; body pale, obovoid-lenticular, (0.5–)0.6–0.9 × 0.4–0.5 mm, margin wirelike; surfaces transversely rugulose; tubercle buttonlike, depressed triangular, 0.05–0.1 mm, base lunate atop rounded fruit body.
Phenology: Fruiting summer–fall.
Habitat: Moist sands, peats and silts of low meadows, savannas, bogs, seeps, pond shores
Elevation: 0–300 m
Distribution
Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Mexico, West Indies, Central America.
Discussion
Selected References
None.