Rhynchospora fernaldii |
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Fernald's beaksedge |
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Habit | Plants perennial, cespitose, 15–50 cm; rhizomes absent. |
Culms | erect or ascending, slender, leafy proximal to middle, somewhat stiff. |
Leaves | overtopped by culm; blades ascending, ± filiform, proximally flat or slightly concave, to 1 mm wide, apex narrowing, trigonous, abruptly blunt. |
Inflorescences | spikelet clusters 1–2, if 2 then close together, dense, broadly turbinate to hemispheric or even globose; primary leafy bract setaceous, exceeding clusters. |
Spikelets | redbrown, ovoid, 2–2.5(–4) mm, apex acute; fertile scales broadly ovate, 1.5–1.9(–2) mm, apex acute to acuminate, midrib excurrent as awn to 0.5 mm. |
Flowers | bristles 6, some reaching to apex of fruit body. |
Fruits | 2–3 per spikelet, 1–1.2(–1.4) mm; body dull dark brown with paler brown center, lenticular, broadly obovoid to broadly ellipsoid, 1 × 0.8 mm, margins narrow, flowing to tubercle; tubercle nearly equilaterally triangular, 0.2–0.3 mm. |
Rhynchospora fernaldii |
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Phenology | Fruiting summer–fall. |
Habitat | Sands and peats of low clearings in flatwoods, savannas, and bog edges |
Elevation | 0–100 m (0–300 ft) |
Distribution |
AL; FL; GA; MS |
Source | FNA vol. 23, p. 235. |
Parent taxa | Cyperaceae > Rhynchospora |
Sibling taxa | |
Synonyms | R. fascicularis var. fernaldii |
Name authority | Gale: Rhodora 46: 182, plate 825, figs. 3A, B. (1944) |
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