Rhynchospora globularis

Rhynchospora globularis
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General description 1
Rhynchospora globularis (Chapm.) Small
Distribution
Wet pine savannas (VWLPS), adjacent roadsides.
Notes
Infrequent. Jun–Sep . Thornhill 252 (NCSC). [<RAB; = Rhynchospora globularis (Chapm.) Small var.
globularis sensu FNA; = Weakley]
National distribution 2
United States
Ori gi n : Unknown/Undetermined
R egu l ari ty : Regularly occurring
Cu rren tl y : Unknown/Undetermined
Con fi d en ce : Confident
Description 3,4
Plants perennial, cespitose or single, 30–70(–80) cm; rhizomes absent. Culms erect or excurved, lax,
leafy, slender to wiry. Leaves overtopped by culm; basal leaves spreading, twisted, distal longer, erect or
ascending; blades proximally flat, 1–3 mm wide, apex trigonous, subulate, tapering. Inflorescences:
spikelet clusters 1–4, proximalmost widely spaced, spikelets elongate, open, turbinate or compact lobed
hemispheric; branches erect to ascending; leafy bracts setaceous, exceeding proximal clusters,
exceeded by distal clusters. Spikelets mostly dark brown to brown, globose to broadly ovoid, (2–)2.5–3(–
4) mm, apex acute; fertile scales broadly ovate to orbiculate, 1.7–2.3 mm, apex obtuse to rounded or
emarginate, midrib mostly included, sometimes excurrent as apiculus. Flowers: perianth bristles 6 or
less, antrorsely barbellate, of various lengths. Fruits 1–3 per spikelet, 1.5–1–8 mm (–2 mm in var.
pinetorum); body tumidly biconvex; surfaces transversely wavy rugose, intervals of vertically rectangular
alveolae or transverse rugosity indistinct, surface isodiametrically alveolate or cancellate; tubercle short
conic to patelliform apiculate.
Synonym 3,4
Rhynchospora cymosa Elliott var. globularis Chapman, Fl. South. U.S., 525. 1860
5
Statistics of barcoding coverage: rhynchospora globularis 5
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
National nature serve conservation status 2
United States
R ou n d ed N ati on al Statu s R an k : NNR - Unranked
Taxonomy 2
Commen ts : This record is for Rhynchospora globularis in a strict sense, excluding R. recognita.
Rhynchospora recognita is recognized as distinct from R. globularis according to Kral (Novon 9(2):205.
1999) and as accepted by Kartesz (1999). This concept includes R. pinetorum as a variety; it is excluded
as a distinct species by others such as Weakley (2011 draft).
References
1. Thornhill, Robert, Krings, Alexander, Lindbo, David, Stucky, Jon (2014): Guide to the Vascular Flora
of the Savannas and Flatwoods of Shaken Creek Preserve and Vicinity (Pender & Onslow Counties,
North Carolina, U. S. A.). Biodiversity Data Journal 2, 1099: 1099-1099,
URL:http://dx.doi.org/10.3897/BDJ.2.e1099
2. © NatureServe, some rights reserved
3. Flora of North America Vol. 23: 205, 225, 226, 227 in eFloras.org, Missouri Botanical Garden.
Accessed Nov 12, 2008.
4. © Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights
reserved
5. © Barcode of Life Data Systems, some rights reserved