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Details for: PI 478833,
Eriocoma hymenoides
(Roem. & Schult.) Rydb., 'RIMROCK'
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Eriocoma hymenoides
(Roem. & Schult.) Rydb.
Cultivar:
'RIMROCK'
Origin:
Collected – Utah, United States
Maintained:
Western Regional PI Station
Received by NPGS:
May 1983
PI Assigned:
1983
Improvement Status:
Wild material
Reproductive Uniformity:
Population
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Backup Location:
National Laboratory for Genetic Resources Preservation
Inventory Volume:
191
View original Plant Inventory data in pdf format
Availability
Form
Quantity
Note
Inventory
Cart
Seed
100 count
PI 478833 84i 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.
Images
(1
total. Click on image for more.)
Core Passport Data
Taxonomy:
Eriocoma hymenoides
(Roem. & Schult.) Rydb.
Cultivar:
'RIMROCK'
Origin:
Collected – Utah, United States
Maintained:
Western Regional PI Station
Received by NPGS:
May 1983
PI Assigned:
1983
Improvement Status:
Wild material
Reproductive Uniformity:
Population
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Collected
1960.
Montana, United States
Locality:
1 km north of Billings.
Elevation:
1100m.
Environment description:
Seed retention index (g seed/g forage dry weight) of 15 Sep. was much greater (0.45) than for Nexpar (0.19) or Paloma (0.11).
Collector(s):
USDA, SCS
Developed
January 1987.
Utah, United States
Developer(s):
Holzworth, Larry K., USDA-NRCS State Office
Jones, Thomas A., USDA, ARS, FRRL
Majerus, Mark E., USDA-NRCS
Nielson, D.C., USDA, ARS
Scheetz, J.G., USDA-NRCS
Donated
May 1983.
Montana, United States
Comment:
Received through National Plant Materials Center, SCS, Beltsville, Md
Donor(s):
USDA, NRCS
Accession Names and Identifiers
'RIMROCK'
Type: Cultivar name
9005424
Type: Institute identifier
Group: NRCS
Natural Resources Conservation Service
T 5424
Type: Donor identifier
Bridger Pl. Mater. Ctr.
M-33
Type: Other or unclassified name
P-15597
Type: Other or unclassified name
T-05424
Type: Other or unclassified name
Group: USDA-ARS-FRRL
USDA-ARS Forage Range Research Laboratory Logan Utah
Jones, Thomas A. USDA, ARS, FRRL
Narrative
Plants tall, leafy. Leaves longer than normal. Seed production good. Retains mature seed better than Paloma or Nezpar, increasing harvestable seed yield. Days from glume opening to shattering 91% greater than Paloma (7.6 vs. 3.5 d). Produces a filled
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
Protologue link:
https://www.biodiversitylibrary.org/page/12929598
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
Language
Name
Alternate name
note
seq
Citation
English
Indian ricegrass
1
Rehm, S.
1994. Multilingual dictionary of agronomic plants
Note:
as
Achnatherum hymenoides
English
mountain-rice
as
Oryzopsis hymenoides
1
1961. Webster's third new international dictionary.
Note:
=
Oryzopsis hymenoides
Name
References
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.
Other Links
Storage Information Form
Actions
Pathogens
Vouchers
Citations
Pedigree
Date released:
29 Jan 1997
Description:
No intentional genetic selection practiced on the original collection.
Intellectual Property Rights
Crop Science Registration
. CV-192, OTHER GRASSES. Issued: 01 Mar 1998.
Jones, T. A., M. E. Majerus, J. G. Scheetz, L. K. Holzworth, & D. C. Nielson.
1998. RIMROCK INDIAN RICEGRASS. Crop Sci. (Madison) 38(2):540.
Material Transfer Agreement
Observations
Phenotype Data
Category
Descriptor
Description
Value
Sample Size
Study
Inventory
Availability
MORPHOLOGY
Seed weight 100
Weight of 100 seeds in grams.
0.24
GRASS.SEEDWEIGHT.WRPIS
PI 478833 84i SD