Details for: PI 631915, Medicago ruthenica (L.) Trautv., CTM 20


Summary Data
Taxonomy:
Medicago ruthenica (L.) Trautv.
Top Name:
CTM 20
Origin:
Collected – Nei Mongol Zizhiqu, China
Received by NPGS:
03 Feb 1992
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 631915 94i 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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Core Passport Data
Taxonomy:
Medicago ruthenica (L.) Trautv.
Top Name:
CTM 20
Origin:
Collected – Nei Mongol Zizhiqu, China
Received by NPGS:
03 Feb 1992
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Collected
24 August 1991.
Nei Mongol Zizhiqu, China
Locality: Large dunes. Sand, few stones, good drainage, pH 6.7. Full sun, 0 deg. slope, basin aspect. North Da Quig Reserve, sandy basin or blow-out, also on rim of basin. 40% ground cover. Next to cult. area. 80km S of Tongliao, Daqing Res
Coordinates: 42.9167, 122.3333 (Map it)
Elevation: 206m.

Collector(s):
Donated
03 February 1992.
California, United States

Donor(s):
Accession Names and Identifiers
CTM 20
Type: Collector identifier

W6 9880
Type: Site identifier
Group: W6
Western Regional Plant Introduction (W6) accession numbers
USDA-ARS, WRPIS

TAC 0891
Type: Exploration identifier
Group: PEO-EXPLORATIONS
Exploration ID links

Narrative
Roots demonstrate a characteristic darkening of the stele indicating crown and root rot. Plants most likely quite old. Few ripe seeds. Plants quite vigorous. Associated with Artemisia sp., Setaria sp., Xanthium sp. 20 plants sampled. 8 M. ruthenica/m
Medicago ruthenica (L.) Trautv.
Genus:
Medicago
Section:
Platycarpae
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Trifolieae
Nomen number:

23675
Place of publication:

Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg 8:271. 1841 (C. F. von Ledebour, Fl. ross. 1:523. 1843)
Verified:
06/10/1987 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Basionym
Trigonella ruthenica L.

Homotypic Synonym(s)
Melilotoides ruthenica (L.) Soják
Melissitus ruthenicus (L.) Latsch.

Common names
Annotations
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Pathogens
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Citations
Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
MORPHOLOGYSeed weight 100Weight of 100 seeds in grams.0.09 ALFALFA.SEEDWEIGHT.WRPISPI 631915 94i SD
PRODUCTIONSeed productivitySeed productivity. coded 1-9.7 - (1 = HIGH, 9 = LOW) ALFALFA.SEEDPROD.94.PEADENPI 631915 94i SD