Details for: PI 232341, Eriocoma hymenoides (Roem. & Schult.) Rydb.


Summary Data
Taxonomy:
Eriocoma hymenoides (Roem. & Schult.) Rydb.
Origin:
Collected – Montana, United States
Received by NPGS:
01 Jan 1955
PI Assigned:
1956
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 232341 83i SD
Seed available for distribution is a limited resource. The quantity of seed distributed is hopefully sufficient to conduct the intended research. If additional seed is required, the recipient is urged to grow and reproduce the seed. Repeated requests for seed of the same accession will not be honored.
  
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SEED

Core Passport Data
Taxonomy:
Eriocoma hymenoides (Roem. & Schult.) Rydb.
Origin:
Collected – Montana, United States
Received by NPGS:
01 Jan 1955
PI Assigned:
1956
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Collected
01 January 1955.
Montana, United States
Locality: Eighteen miles south of Cameron, Route 1, Madison Co., Montana.
Comment: Collections made July, August and September, 1955 in Arizona, California, Colorado, Idaho, Montana, Nevada, OREGO Oregon, Utah, Washington and Wyoming.
Collector(s):
Accession Names and Identifiers
Narrative
Eriocoma hymenoides (Roem. & Schult.) Rydb.
Genus:
Eriocoma
Family:
Poaceae (alt. Gramineae)
Subfamily:
Pooideae
Tribe:
Stipeae
Nomen number:

511182
Place of publication:

Bull. Torrey Bot. Club 39:102. 1912
Verified:
09/27/2024 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Basionym
Stipa hymenoides Roem. & Schult.

Homotypic Synonym(s)
Achnatherum hymenoides (Roem. & Schult.) Barkworth
Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper
Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper var. hymenoides

Heterotypic Synonym(s)
Eriocoma cuspidata Nutt.

Common names
LanguageNameAlternate namenoteseqCitation
EnglishIndian ricegrass  1Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Achnatherum hymenoides
Englishmountain-rice as Oryzopsis hymenoides11961. Webster's third new international dictionary. Note: = Oryzopsis hymenoides
Annotations
  • Nomenclature Name Change: 02 Jun 1995, from Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper to Achnatherum hymenoides (Roem. & Schult.) Barkworth
  • Nomenclature Name Change: 27 Sep 2024, from Achnatherum hymenoides (Roem. & Schult.) Barkworth to Eriocoma hymenoides (Roem. & Schult.) Rydb.
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Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHAggressiveAggressiveness (coded)2 - MEDIUM GRASS.W6PI 232341 83i SD
MORPHOLOGYSeed weight 100Weight of 100 seeds in grams.0.277 GRASS.SEEDWEIGHT.WRPISPI 232341 83i SD
MORPHOLOGYLeaf numberRelative number of leaves2 - AVERAGE GRASS.W6PI 232341 83i SD
MORPHOLOGYLeaf PositionLeaf position (coded)1 - BASAL GRASS.W6PI 232341 83i SD
MORPHOLOGYLeaf StrengthLeaf strength (coded)2 - TOUGH GRASS.W6PI 232341 83i SD
MORPHOLOGYShatterAmount of shattering (coded)3 - SLIGHT GRASS.W6PI 232341 83i SD
MORPHOLOGYStem HabitStem growth habit (coded).1 - ERECT GRASS.W6PI 232341 83i SD
MORPHOLOGYStem NumberStem number (coded)2 - AVERAGE GRASS.W6PI 232341 83i SD
MORPHOLOGYStem StrengthStem strength (coded)2 - AVERAGE GRASS.W6PI 232341 83i SD
MORPHOLOGYStem TextureStem texture (coded)2 - MEDIUM GRASS.W6PI 232341 83i SD