Rhynchospora rariflora |
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fewflower beaksedge |
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Habit | Plants perennial, densely cespitose, 15–60 cm; rhizomes compact, branching, slender. |
Culms | lax,filiform, leafy, terete, grooved. |
Leaves | ascending to erect, exceeded by culm, blades lax, filiform, margins proximally deeply involute, apex trigonous, tapering. |
Inflorescences | mostly cymose clusters, simple or compound, 1–3(–4), widely spaced, loose, narrowly to broadly turbinate;, branchies capillary, ascending to spreading, leafy bracts setaceous, exceeded by or exceeding cymes. |
Spikelets | light redbrown or brown, lanceovoid to fusiform, 3–4(–4.5) mm, apex acuminate, fertile scales ovate, mostly 2–3 mm, apex rounded to acute, midrib included or shortexcurrent. |
Flowers | perianth bristles mostly 6, unequal, rarely extending past fruit midbody, antrorsely barbellate. |
Fruits | 1–4 per spikelet, 1.8–2 mm, body yellowbrown to brown, lustrous, tumidly obovoidlenticular, 1–1.5 × 1–1.5 mm, surfaces transversely wavyrugose, intervals vertically striate with narrow alveolae, tubercle flat, triangular, 0.3–0.6 mm. |
Rhynchospora rariflora |
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Phenology | Fruiting spring–summer or all year (south). |
Habitat | Sands or peats of low savannas, seeps, bogs, flatwoods, pond shores, stream banks |
Elevation | 0–400 m (0–1300 ft) |
Distribution |
AL; AR; FL; GA; LA; MD; MS; NC; NJ; OK; SC; TN; TX; VA; Mexico; Central America; West Indies
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Discussion | Rhynchospora rariflora forms solid tussocks by means of short, forking, compact masses of rhizomes. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 23, p. 221. |
Parent taxa | |
Sibling taxa | |
Synonyms | Schoenus rariflorus, Phaeocephalum rariflorum |
Name authority | (Michaux) Elliott: Sketch Bot. S. Carolina 1: 58. (1816) |
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