Details for: PI 298999, Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs, P.M.14 (Shashi)


Summary Data
Taxonomy:
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Top Name:
P.M.14 (Shashi)
Origin:
Donated – Zimbabwe
Received by NPGS:
07 Jul 1964
PI Assigned:
1964
Form Received:
Seed
Availability
FormQuantityNoteInventoryCart
Seed200 countPI 298999 01 SD
 
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Core Passport Data
Taxonomy:
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Top Name:
P.M.14 (Shashi)
Origin:
Donated – Zimbabwe
Received by NPGS:
07 Jul 1964
PI Assigned:
1964
Form Received:
Seed
Source History
Donated
07 July 1964.
Zimbabwe

Donor(s):
Accession Names and Identifiers
P.M.14 (Shashi)
Type: Other or unclassified name

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 decimeters6 S9.GRASSESPI 298999 01 SD
GROWTHPlant HeightTotal plant height in decimeters14 S9.GRASSESPI 298999 01 SD
GROWTHPlant WidthPlant spread in decimeters14 S9.GRASSESPI 298999 01 SD
MORPHOLOGYFoliage DistributionDistribution of leaves on plant3 - Well distributed S9.GRASSESPI 298999 01 SD
MORPHOLOGYLeaf LengthLeaf length measured in centimeters30 S9.GRASSESPI 298999 01 SD
MORPHOLOGYLeaf WidthLeaf width measured in millimeters13 S9.GRASSESPI 298999 01 SD
MORPHOLOGYStem SizeStem size by code9 - Large S9.GRASSESPI 298999 01 SD
MORPHOLOGYTillersAbundance of tillers produced1 - Abundant S9.GRASSESPI 298999 01 SD
PRODUCTIONFoliage AmountAbundance of foliage produced5 - Medium S9.GRASSESPI 298999 01 SD
PRODUCTIONSeed ProductionRelative seed production1 - Abundant S9.GRASSESPI 298999 01 SD
STRESSWinter SurvivalResistance to winter damage9 - Complete winter kill S9.GRASSESPI 298999 01 SD