Details for: PI 277923, Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs, 216

Summary Data

Taxonomy:

Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs

Top Name:

216

Origin:

Collected – South Africa

Maintained:

Plant Genetic Resources Conservation Unit (S9)

Received by NPGS:

05 Jan 1962

PI Assigned:

1962

Backup Location:

National Laboratory for Genetic Resources Preservation

Inventory Volume:

170
View original Plant Inventory data in pdf format

Availability

Form	Quantity	Note	Inventory	Cart
Seed	200 count		PI 277923 02 SD

Images (1 total. Click on image for more.)

Core Passport Data

Taxonomy:

Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs

Top Name:

216

Origin:

Collected – South Africa

Maintained:

Plant Genetic Resources Conservation Unit (S9)

Received by NPGS:

05 Jan 1962

PI Assigned:

1962

Source History

Collected

1959.
South Africa
Locality: Kalahari, Chobe River

Donated

05 January 1962.

Donor(s):

Department of Agriculture - Transvaal

Accession Names and Identifiers

216

Type: Collector identifier

B/59/216

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

Language	Name	note	seq	Citation
English	green panic grass	as Panicum maximum	1	'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
English	Guinea grass		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
French	herbe de Guinée	as Panicum maximum	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
German	Guineagras	as Panicum maximum	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Italian	erba della Guinea		2	International 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 maximum	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Spanish	mijo de Guinea	as Panicum maximum	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Spanish	pasto Guinea	as Panicum maximum	2	Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Panicum maximum
Swedish	guineagräs		2	Aldén, 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

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study	Inventory	Availability
GROWTH	Foliage Height	Foliage height in decimeters	14	S9.GRASSES	PI 277923 01 SD	Not Available
GROWTH	Foliage Height	Foliage height in decimeters	8.5	S9.GRASSES.2011	PI 277923 02 SD
GROWTH	Plant Height	Total plant height in decimeters	12.2	S9.GRASSES.2011	PI 277923 02 SD
GROWTH	Plant Height	Total plant height in decimeters	18	S9.GRASSES	PI 277923 01 SD	Not Available
GROWTH	Plant Width	Plant spread in decimeters	21	S9.GRASSES	PI 277923 01 SD	Not Available
GROWTH	Plant Width	Plant spread in decimeters	28	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Foliage Distribution	Distribution of leaves on plant	2 - Cauline	S9.GRASSES	PI 277923 01 SD	Not Available
MORPHOLOGY	Foliage Distribution	Distribution of leaves on plant	3 - Well distributed	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Leaf Length	Leaf length measured in centimeters	12	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Leaf Length	Leaf length measured in centimeters	33	S9.GRASSES	PI 277923 01 SD	Not Available
MORPHOLOGY	Leaf Width	Leaf width measured in millimeters	11.6	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Leaf Width	Leaf width measured in millimeters	16	S9.GRASSES	PI 277923 01 SD	Not Available
MORPHOLOGY	Stem Size	Stem size by code	9 - Large	S9.GRASSES	PI 277923 01 SD	Not Available
MORPHOLOGY	Tillers	Abundance of tillers produced	1 - Abundant	S9.GRASSES	PI 277923 01 SD	Not Available
MORPHOLOGY	Tillers	Abundance of tillers produced	9 - Sparse	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Flower Length	Length of flower in centimeters	43	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Flower Width	Width of flower in centimeters	28	S9.GRASSES.2011	PI 277923 02 SD
MORPHOLOGY	Stem Diameter	Stem diameter in millimeters	4	S9.GRASSES.2011	PI 277923 02 SD
PHENOLOGY	Maturity	Days from March 15 planting to first flower	100	S9.GRASSES	PI 277923 01 SD	Not Available
PHENOLOGY	Maturity	Days from March 15 planting to first flower	113	S9.GRASSES.2011	PI 277923 02 SD
PRODUCTION	Foliage Amount	Abundance of foliage produced	1 - Abundant	S9.GRASSES	PI 277923 01 SD	Not Available
PRODUCTION	Foliage Amount	Abundance of foliage produced	1 - Abundant	S9.GRASSES.2011	PI 277923 02 SD
PRODUCTION	Seed Production	Relative seed production	5 - Medium	S9.GRASSES	PI 277923 01 SD	Not Available
STRESS	Winter Survival	Resistance to winter damage	9 - Complete winter kill	S9.GRASSES	PI 277923 01 SD	Not Available
SUBSET	Image	Image present in GRIN database	Flower - Image of flower	S9.GRASS.IMAGE.2011		Not Available