Difference between revisions of "Rhynchospora globularis"
Man. S.E. Fl., 184. 1933.
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|name=Rhynchospora cymosa var. globularis | |name=Rhynchospora cymosa var. globularis | ||
|authority=Chapman | |authority=Chapman | ||
| + | |rank=variety | ||
|publication_title=Fl. South. U.S., | |publication_title=Fl. South. U.S., | ||
|publication_place=525. 1860 | |publication_place=525. 1860 | ||
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, cespitose or single, 30–70(–80) cm; rhizomes absent. <b>Culms</b> erect or excurved, lax, leafy, slender to wiry. <b>Leaves</b> overtopped by culm; basal leaves spreading, twisted, distal longer, erect or ascending; blades proximally flat, 1–3 mm wide, apex trigonous, subulate, tapering. <b>Inflorescences</b>: spikelet clusters 1–4, proximalmost widely spaced, spikelets elongate, open, turbinate or compactlobed hemispheric; branches erect to ascending; leafy bracts setaceous, exceeding proximal clusters, exceeded by distal clusters. <b>Spikelets</b> 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. <b>Flowers</b>: perianth bristles 6 or less, antrorsely barbellate, of various lengths. <b>Fruits</b> 1–3 per spikelet, 1.5–1–8 mm (–2 mm in < | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, cespitose or single, 30–70(–80) cm; rhizomes absent. <b>Culms</b> erect or excurved, lax, leafy, slender to wiry. <b>Leaves</b> overtopped by culm; basal leaves spreading, twisted, distal longer, erect or ascending; blades proximally flat, 1–3 mm wide, apex trigonous, subulate, tapering. <b>Inflorescences</b>: spikelet clusters 1–4, proximalmost widely spaced, spikelets elongate, open, turbinate or compactlobed hemispheric; branches erect to ascending; leafy bracts setaceous, exceeding proximal clusters, exceeded by distal clusters. <b>Spikelets</b> 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. <b>Flowers</b>: perianth bristles 6 or less, antrorsely barbellate, of various lengths. <b>Fruits</b> 1–3 per spikelet, 1.5–1–8 mm (–2 mm in <i></i>var.<i> pinetorum</i>); body tumidly biconvex; surfaces transversely wavyrugose, intervals of vertically rectangular alveolae or transverserugosity indistinct, surface isodiametrically alveolate or cancellate; tubercle shortconic to patelliformapiculate.</span><!-- |
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name=Rhynchospora globularis | name=Rhynchospora globularis | ||
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|authority=(Chapman) Small | |authority=(Chapman) Small | ||
|rank=species | |rank=species | ||
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|publication year=1933 | |publication year=1933 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_399.xml |
|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora globularis | |species=Rhynchospora globularis | ||
Revision as of 20:07, 16 December 2019
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 compactlobed 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 wavyrugose, intervals of vertically rectangular alveolae or transverserugosity indistinct, surface isodiametrically alveolate or cancellate; tubercle shortconic to patelliformapiculate.
Distribution
United States, West Indies, Central America.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Spikelets ovoid; fruit body scarcely transversely wavy rugose, instead with transverse, undulate rows of subisodiametric to very broadly rectangular lattices or alveolae. | Rhynchospora globularis var. pinetorum |
| 1 | Spikelets broadly ovoid to subglobose; fruit body distinctly transversely wavy-rugose, intervals composed of irregular rows of vertical, rectangular alveolae. | > 2 |
| 2 | Perianth bristles not extending much beyond fruit midbody; tubercle low conic, distinctly narrower than rounded summit of fruit body. | Rhynchospora globularis var. globularis |
| 2 | Perianth bristles extending at least to fruit tubercle, sometimes to tip; tubercle depressed conic or patelliform, apiculate, nearly as broad as more truncate summit of fruit body. | Rhynchospora globularis var. saxicola |