Difference between revisions of "Rhynchospora inexpansa"
Enum. Pl. 2: 232. 1805.
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Revision as of 16:07, 18 September 2019
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Plants perennial, cespitose, 30–120 cm; rhizomes absent. Culms arching, leafy, droopingtipped, ± terete, ribbed, slender. Principal leaves exceeded by culm; blades spreading to ascending, narrowly linear, proximally flat, 2–3.5 mm wide, apex trigonous, tapering. Inflorescences: clusters of spikelets 3–6, progressively wider-spaced proximally, narrow, elongate; leafy bracts slender, mostly exceeding clusters. Spikelets redbrown, lanceoloid, 5–7 mm, apex acuminate; fertile scales narrowly ovate, 4–5 mm, apex acuminate, midrib included or shortexcurrent. Flowers: perianth bristles 6, exceeding tubercle, antrorsely barbellate. Fruits (1–)2–3(–4) per spikelet, 3–3.2 mm; body brown, narrowly oblong-ellipsoid, flattened, 2 × 0.8–1 mm; surface strongly transversely wavyrugose, vertically finely striate between ridges; tubercle compressed, narrowly triangular-subulate, 1 mm.
Phenology: Fruiting summer–fall.
Habitat: Sands, peats, clays, and silts of moist meadows, shores of ponds, flatwoods, disturbed low areas
Elevation: 0–300 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.
Discussion
Selected References
None.