Flora of North America species comparison

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Rhynchospora harveyi var. harveyi
Photo is of parent taxon

Harvey's beaksedge
Habit Plants perennial, cespitose, 70–110 cm.
Culms

erect to excurved, slender, often stiffish.
Inflorescences

spikelet clusters mostly dense, branches spreading to erect, stiffish; subtending leafy bracts and bractlets, mostly exceeding clusters.
Spikelets

prevalently ovoid to broadly ellipsoid, 3–4 mm, apex acute;

fertile scales broadly ovate to obovate or suborbiculate, sometimes cupulate, 2.5–3.5 mm, apex acute to rounded or emarginate, often mucronate.
Flowers

perianth bristles 6, reaching at most to fruit midbody.
Fruits

1(–2) per spikelet, 2–2.4 mm;

body usually deep brown, lustrous, tumidly obovoid to suborbicular, 1.5–1.7 mm, with many fine, undulate lines of minute, isodiametric to short-rectangular pits or very finely reticulate, appearing nearly smooth;

tubercle distinctly buttressed, lowconic 0.3–0.5(–0.7) mm.

Rhynchospora harveyi var. harveyi
Phenology Fruiting spring–summer.
Habitat Sands or sandy clays in open areas in pinelands, flatwoods, savannas, and prairies, often in dry or seasonally dry places
Elevation 0–400 m (0–1300 ft)
Distribution
from FNA
AL; AR; FL; GA; KS; LA; MO; MS; NC; OK; SC; TN; TX; VA
[BONAP county map]
Source FNA vol. 23, p. 231.
Parent taxa Cyperaceae > Rhynchospora > Rhynchospora harveyi
Sibling taxa
R. harveyi var. culixa
Synonyms Phaeocephalum earlei, Phaeocephalum plankii, R. plankii
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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