Details for: PI 496385, Steinchisma laxum (Sw.) Zuloaga, 137


Summary Data
Taxonomy:
Steinchisma laxum (Sw.) Zuloaga
Top Name:
137
Origin:
Collected – Argentina
Received by NPGS:
Feb 1985
PI Assigned:
1985
Improvement Status:
Wild material
Form Received:
Seed
Availability
FormQuantityNoteInventoryCart
Seed200 countPI 496385 01 SD
 
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Core Passport Data
Taxonomy:
Steinchisma laxum (Sw.) Zuloaga
Top Name:
137
Origin:
Collected – Argentina
Received by NPGS:
Feb 1985
PI Assigned:
1985
Improvement Status:
Wild material
Form Received:
Seed
Source History
Collected
31 March 1976.
Argentina
Locality: Rte. 12, 40 km E of Ituzaingo, Corrientes
Environment description: Wet roadside ditch

Collector(s):
Donated
February 1985.


Donor(s):
Accession Names and Identifiers
137
Type: Donor identifier
Brown R. H.

Narrative
Collected by R.H. Brown and C. Quarin. No rhizomes. Panicles with many branches. Spikelets short, 1.2-1.3mm.
Steinchisma laxum (Sw.) Zuloaga
Genus:
Steinchisma
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Paspaleae
Subtribe:
Otachyriinae
Nomen number:

451179
Place of publication:

S. S. Aliscioni et al., Amer J. Bot. 90:817. 2003 "laxa"
Verified:
06/19/2006 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Basionym
Panicum laxum Sw.

Heterotypic Synonym(s)
Panicum agrostoides Spreng.

Common names
Annotations
  • Nomenclature Name Change: 19 Jun 2006, from Panicum laxum Sw. to Steinchisma laxum (Sw.) Zuloaga
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Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHFoliage HeightFoliage height in decimeters6 S9.GRASSESPI 496385 01 SD
GROWTHPlant HeightTotal plant height in decimeters7 S9.GRASSESPI 496385 01 SD
GROWTHPlant WidthPlant spread in decimeters13 S9.GRASSESPI 496385 01 SD
MORPHOLOGYFoliage DistributionDistribution of leaves on plant3 - Well distributed S9.GRASSESPI 496385 01 SD
MORPHOLOGYLeaf LengthLeaf length measured in centimeters22 S9.GRASSESPI 496385 01 SD
MORPHOLOGYLeaf WidthLeaf width measured in millimeters15 S9.GRASSESPI 496385 01 SD
MORPHOLOGYStem SizeStem size by code5 - Medium S9.GRASSESPI 496385 01 SD
MORPHOLOGYTillersAbundance of tillers produced5 - Medium S9.GRASSESPI 496385 01 SD
PHENOLOGYMaturityDays from March 15 planting to first flower128 S9.GRASSESPI 496385 01 SD
PRODUCTIONFoliage AmountAbundance of foliage produced5 - Medium S9.GRASSESPI 496385 01 SD
STRESSWinter SurvivalResistance to winter damage8 - (1 = Little or no damage, 9 = Complete winter kill) S9.GRASSESPI 496385 01 SD