Details for: PI 233553, Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs


Summary Data
Taxonomy:
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Origin:
Donated – Paraguay
Received by NPGS:
18 May 1956
PI Assigned:
1956
Availability
This accession is not available. Contact site for status.
 
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Core Passport Data
Taxonomy:
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Origin:
Donated – Paraguay
Received by NPGS:
18 May 1956
PI Assigned:
1956
Source History
Donated
18 May 1956.
Paraguay

Donor(s):
Accession Names and Identifiers
Narrative
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Genus:
Megathyrsus
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Paniceae
Subtribe:
Melinidinae
Nomen number:

447623
Place of publication:

Austrobaileya 6:572. 2003
Verified:
01/05/2005 by ARS Systematic Botanists.
Other conspecific taxa
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs var. coloratus (C. T. White) B. K. Simon & S. W. L. Jacobs (0 active accession[s])
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs var. maximus (0 active accession[s])
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs var. pubiglumis (K. Schum.) B. K. Simon & S. W. L. Jacobs (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Panicum maximum Jacq.

Homotypic Synonym(s)
Panicum maximum Jacq. var. maximum
Urochloa maxima (Jacq.) R. D. Webster

Heterotypic Synonym(s)
Panicum hirsutissimum Steud.
Panicum maximum Jacq. var. hirsutissimum (Steud.) Oliv.
Panicum maximum Jacq. var. trichoglume Robyns

Common names
LanguageNameAlternate namenoteseqCitation
Englishgreen panic grass as Panicum maximum1't Mannetje, L. & R. M. Jones, eds. 1992. Forages. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 4:172. Note: as Panicum maximum
EnglishGuinea grass  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Frenchherbe de Guinée as Panicum maximum2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
GermanGuineagras as Panicum maximum2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Italianerba della Guinea  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Portuguese (Brazil)capim-colonião as Panicum maximum2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Spanishmijo de Guinea as Panicum maximum2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Spanishpasto Guinea as Panicum maximum2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Swedishguineagräs  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Annotations
  • Nomenclature Name Change: 05 Jan 2005, from Panicum maximum Jacq. to Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
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Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHFoliage HeightFoliage height in decimeters12 S9.GRASSESPI 233553 01 SDNot Available
GROWTHPlant HeightTotal plant height in decimeters22 S9.GRASSESPI 233553 01 SDNot Available
GROWTHPlant WidthPlant spread in decimeters24 S9.GRASSESPI 233553 01 SDNot Available
MORPHOLOGYFoliage DistributionDistribution of leaves on plant2 - Cauline S9.GRASSESPI 233553 01 SDNot Available
MORPHOLOGYLeaf LengthLeaf length measured in centimeters38 S9.GRASSESPI 233553 01 SDNot Available
MORPHOLOGYLeaf WidthLeaf width measured in millimeters14 S9.GRASSESPI 233553 01 SDNot Available
MORPHOLOGYStem SizeStem size by code9 - Large S9.GRASSESPI 233553 01 SDNot Available
MORPHOLOGYTillersAbundance of tillers produced1 - Abundant S9.GRASSESPI 233553 01 SDNot Available
PHENOLOGYMaturityDays from March 15 planting to first flower220 S9.GRASSESPI 233553 01 SDNot Available
PRODUCTIONFoliage AmountAbundance of foliage produced1 - Abundant S9.GRASSESPI 233553 01 SDNot Available
PRODUCTIONSeed ProductionRelative seed production9 - Sparse S9.GRASSESPI 233553 01 SDNot Available
STRESSWinter SurvivalResistance to winter damage9 - Complete winter kill S9.GRASSESPI 233553 01 SDNot Available