Difference between revisions of "Rhynchospora macra"

(C. B. Clarke ex Britton) Small

Man. S.E. Fl., 180. 1933.

Basionym: Rhynchospora alba var. macra C. B. Clarke ex Britton Trans. New York Acad. Sci. 11: 88. 1892 (as Rynchospora)
Synonyms: Phaeocephalum album var. macrum (C. B. Clarke ex Britton) Farwell Triodon albus var. macer (C. B. Clarke ex Britton) Farwell
Treatment appears in FNA Volume 23. Treatment on page 214. Mentioned on page 202, 213, 230.
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|name=Rhynchospora alba var. macra
 
|name=Rhynchospora alba var. macra
 
|authority=C. B. Clarke ex Britton
 
|authority=C. B. Clarke ex Britton
 +
|rank=variety
 
|publication_title=Trans. New York Acad. Sci.
 
|publication_title=Trans. New York Acad. Sci.
 
|publication_place=11: 88. 1892 (as Rynchospora)
 
|publication_place=11: 88. 1892 (as Rynchospora)
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|name=Phaeocephalum album var. macrum
 
|name=Phaeocephalum album var. macrum
 
|authority=(C. B. Clarke ex Britton) Farwell
 
|authority=(C. B. Clarke ex Britton) Farwell
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Triodon albus var. macer
 
|name=Triodon albus var. macer
 
|authority=(C. B. Clarke ex Britton) Farwell
 
|authority=(C. B. Clarke ex Britton) Farwell
 +
|rank=variety
 
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}}
 
|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora macra
 
|hierarchy=Cyperaceae;Rhynchospora;Rhynchospora macra
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name=Rhynchospora macra
 
name=Rhynchospora macra
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|authority=(C. B. Clarke ex Britton) Small
 
|authority=(C. B. Clarke ex Britton) Small
 
|rank=species
 
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|publication year=1933
 
|publication year=1933
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_369.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V23/V23_369.xml
 
|genus=Rhynchospora
 
|genus=Rhynchospora
 
|species=Rhynchospora macra
 
|species=Rhynchospora macra

Revision as of 20:07, 16 December 2019

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Plants perennial, cespitose, 40–80 cm; rhizomes absent. Culms erect, trigonous, multiribbed, rather stiff. Principal leaves overtopped by culm; blades narrowly linear, proximally flat, (1.5–)2–3.5 mm wide, apex tapering, trigonous. Inflorescences: spikelet clusters 1–3, turbinate to hemispheric, 1.5–3 cm wide; subtending leafy bracts mostly exceeded by distal compound. Spikelets pale brown to nearly white, fusiform, 4–5(–7) mm, apex narrowly acute; fertile scales elliptic, 3.5–4 mm, apex narrowly acute, midrib excurrent as mucro. Flowers: perianth bristles (15–)18–20, reaching tubercle tip, retrorsely barbellate. Fruits 1 per spikelet, 2.5–3.2 mm; body brown with pale center, obovoid distal to short stipe, lenticular, 1.7–2.2 × 0.8–1.5, margins narrow, wirelike, flowing into tubercle edges; tubercle flat, narrowly triangular-subulate, 0.8–1 mm.


Phenology: Fruiting late summer–fall.
Habitat: Sands and sandy peats of savanna bogs and seeps, pinelands
Elevation: 0–200 m

Distribution

V23 369-distribution-map.jpg

Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Central America (Nicaragua).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Rhynchospora macra"
Robert Kral +
(C. B. Clarke ex Britton) Small +
Rhynchospora alba var. macra +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tex. +  and Central America (Nicaragua). +
0–200 m +
Sands and sandy peats of savanna bogs and seeps, pinelands +
Fruiting late summer–fall. +
Man. S.E. Fl., +
Phaeocephalum album var. macrum +  and Triodon albus var. macer +
Rhynchospora macra +
Rhynchospora +
species +