Difference between revisions of "Paspalum praecox"

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(Conservation and Management)
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==Description==  
 
==Description==  
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
"Annuals or perennials. Leaves primarily basal and low cauline; blade margins usually scaberulous; ligules membranous. Spikelets plano-convex, terminal floret fertile, basal floret sterile. Frist glume usually absent, sterile lemma resembles 2nd glume; fertile lemma and paleas indurate, lustrous, yellowish or brownish. These plants are all important forage grasses." - Radford et al 1964
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"Annuals or perennials. Leaves primarily basal and low cauline; blade margins usually scaberulous; ligules membranous. Spikelets plano-convex, terminal floret fertile, basal floret sterile. Frist glume usually absent, sterile lemma resembles 2nd glume; fertile lemma and paleas indurate, lustrous, yellowish or brownish. These plants are all important forage grasses." </ref name="Radford et al 1964">Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 136. Print.</ref>
  
"Erect perennial from short rhizomes; culms 6-9 dm tall, nodes and internodes glabrous. Blades to 20 cm long, 1.5-4 mm wide, glabrous or villous on both surfaces, occasionally pilose basally above; sheaths glabrous, villous or sparsely papillose above, margins smooth; ligules 2-2.5 mm long. Racemes 3-5, racemose, ascending, 2-6 cm long; rachis wing scaberulous, 1-1.2 mm wide. Spikelets broadly obovoid to suborbicular, flattish, 2.2-3.2 mm long, in 4 rows, 2 rows rudimentary; pedicels scaberulous angled, 0.1-1 mm long. Second glume and sterile lemmas 3-nerved, yellowish green , margins scarious, obtuse 2.2-3.2 mm long; fertile lemma and palea nerveless, papillose, obtuse, 2.2-3.2 mm long. Grain brownish, broadly ellipsoid, flat, 2 mm long." - Radford et al 1964
+
"Erect perennial from short rhizomes; culms 6-9 dm tall, nodes and internodes glabrous. Blades to 20 cm long, 1.5-4 mm wide, glabrous or villous on both surfaces, occasionally pilose basally above; sheaths glabrous, villous or sparsely papillose above, margins smooth; ligules 2-2.5 mm long. Racemes 3-5, racemose, ascending, 2-6 cm long; rachis wing scaberulous, 1-1.2 mm wide. Spikelets broadly obovoid to suborbicular, flattish, 2.2-3.2 mm long, in 4 rows, 2 rows rudimentary; pedicels scaberulous angled, 0.1-1 mm long. Second glume and sterile lemmas 3-nerved, yellowish green , margins scarious, obtuse 2.2-3.2 mm long; fertile lemma and palea nerveless, papillose, obtuse, 2.2-3.2 mm long. Grain brownish, broadly ellipsoid, flat, 2 mm long." <ref name="Radford et al 1964"/>
  
 
==Distribution==
 
==Distribution==
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===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
  
This species has been found growing in open areas of longleaf and slash pine in wet, sandy and peaty soils (FSU Herbarium). It has also been found in moist, loose, and loamy sands of ditches along trails within pine plantations (FSU Herbarium). Associated species include ''Andropogon, Sorghastrum,'' and ''Pinus palustris'' (FSU Herbarium).
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This species has been found growing in open areas of longleaf and slash pine in wet, sandy and peaty soils. <ref name="FSU Herbarium">Florida State University Robert K. Godfrey Herbarium database. URL: [http://herbarium.bio.fsu.edu http://herbarium.bio.fsu.edu]. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Ann F. Johnson, Robert K. Godfrey, R. Komarek, Travis MacClendon, and Karen MacClendon.  States and Counties: Florida: Calhoun, Dixie, Liberty, and Wakulla. Georgia: Thomas.</ref> It has also been found in moist, loose, and loamy sands of ditches along trails within pine plantations. <ref name="FSU Herbarium"/> Associated species include ''Andropogon, Sorghastrum,'' and ''Pinus palustris.'' <ref name="FSU Herbarium"/>
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
This species has been observed flowering in July and fruiting in October (FSU Herbarium).
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This species has been observed flowering in July and fruiting in October. <ref name="FSU Herbarium"/>
 
<!--===Seed dispersal===-->
 
<!--===Seed dispersal===-->
 
<!--===Seed bank and germination===-->
 
<!--===Seed bank and germination===-->
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->
This species can be found in burned, open longleaf pine areas (FSU Herbarium).
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This species can be found in burned, open longleaf pine areas. <ref name="FSU Herbarium"/>
 
<!--===Pollination===-->  
 
<!--===Pollination===-->  
 
<!--===Use by animals===--> <!--Herbivory, granivory, insect hosting, etc.-->
 
<!--===Use by animals===--> <!--Herbivory, granivory, insect hosting, etc.-->
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==References and notes==
 
==References and notes==
Florida State University Robert K. Godfrey Herbarium database. URL: [http://herbarium.bio.fsu.edu http://herbarium.bio.fsu.edu]. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Ann F. Johnson, Robert K. Godfrey, R. Komarek, Travis MacClendon, and Karen MacClendon.  States and Counties: Florida: Calhoun, Dixie, Liberty, and Wakulla. Georgia: Thomas.
 
 
Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 136. Print.
 

Revision as of 15:17, 4 August 2016

Paspalum praecox
Pasp prae.jpg
Photo by Guy Anglin, Atlas of Florida Vascular Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida – Monocotyledons
Order: Cyperales
Family: Poaceae ⁄ Gramineae
Genus: Paspalum
Species: P. praecox
Binomial name
Paspalum praecox
Walter
PASP PRAE dist.jpg
Natural range of Paspalum praecox from USDA NRCS Plants Database.

Common name: Early paspalum

Taxonomic notes

Synonyms: Paspalum praecox Walter var. curtisianum (Steudel) Vasey; P. lentiferum Lamarck

Description

"Annuals or perennials. Leaves primarily basal and low cauline; blade margins usually scaberulous; ligules membranous. Spikelets plano-convex, terminal floret fertile, basal floret sterile. Frist glume usually absent, sterile lemma resembles 2nd glume; fertile lemma and paleas indurate, lustrous, yellowish or brownish. These plants are all important forage grasses." </ref name="Radford et al 1964">Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 136. Print.</ref>

"Erect perennial from short rhizomes; culms 6-9 dm tall, nodes and internodes glabrous. Blades to 20 cm long, 1.5-4 mm wide, glabrous or villous on both surfaces, occasionally pilose basally above; sheaths glabrous, villous or sparsely papillose above, margins smooth; ligules 2-2.5 mm long. Racemes 3-5, racemose, ascending, 2-6 cm long; rachis wing scaberulous, 1-1.2 mm wide. Spikelets broadly obovoid to suborbicular, flattish, 2.2-3.2 mm long, in 4 rows, 2 rows rudimentary; pedicels scaberulous angled, 0.1-1 mm long. Second glume and sterile lemmas 3-nerved, yellowish green , margins scarious, obtuse 2.2-3.2 mm long; fertile lemma and palea nerveless, papillose, obtuse, 2.2-3.2 mm long. Grain brownish, broadly ellipsoid, flat, 2 mm long." [1]

Distribution

Ecology

Habitat

This species has been found growing in open areas of longleaf and slash pine in wet, sandy and peaty soils. [2] It has also been found in moist, loose, and loamy sands of ditches along trails within pine plantations. [2] Associated species include Andropogon, Sorghastrum, and Pinus palustris. [2]

Phenology

This species has been observed flowering in July and fruiting in October. [2]

Fire ecology

This species can be found in burned, open longleaf pine areas. [2]

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

  1. Cite error: Invalid <ref> tag; no text was provided for refs named Radford et al 1964
  2. 2.0 2.1 2.2 2.3 2.4 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Ann F. Johnson, Robert K. Godfrey, R. Komarek, Travis MacClendon, and Karen MacClendon. States and Counties: Florida: Calhoun, Dixie, Liberty, and Wakulla. Georgia: Thomas.