Details for: PI 634688, Lactuca sativa L., 'Speed's Holdfast'


Summary Data
Taxonomy:
Lactuca sativa L.
Cultivar:
'Speed's Holdfast'
Origin:
Donated – California, United States
Received by NPGS:
07 Jan 2000
Improvement Status:
Cultivated material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
This accession is not available. Contact site for status.
 
There are no images for this accession.

Core Passport Data
Taxonomy:
Lactuca sativa L.
Cultivar:
'Speed's Holdfast'
Origin:
Donated – California, United States
Received by NPGS:
07 Jan 2000
Improvement Status:
Cultivated material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Donated
07 January 2000.
California, United States

Donor(s):
Accession Names and Identifiers
'Speed's Holdfast'
Type: Cultivar name

W6 22273
Type: Site identifier
Group: W6
Western Regional Plant Introduction (W6) accession numbers
USDA-ARS, WRPIS

Narrative
Lactuca sativa L.
Genus:
Lactuca
Section:
Lactuca
Family:
Asteraceae (alt. Compositae)
Subfamily:
Cichorioideae
Tribe:
Cichorieae
Subtribe:
Lactucinae
Nomen number:

21360
Place of publication:

Sp. pl. 2:795. 1753
Verified:
10/02/1996 by ARS Systematic Botanists.
Other conspecific taxa
Lactuca sativa L. var. angustana Irish (0 active accession[s])
Lactuca sativa L. var. capitata L. (6 active accession[s])
Lactuca sativa L. var. crispa L. (0 active accession[s])
Lactuca sativa L. var. longifolia Lam. (0 active accession[s])
Lactuca sativa L. var. sativa (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Common names
LanguageNameAlternate namenoteseqCitation
Englishgarden lettuce  1Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Englishlettuce  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Frenchlaitue  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Frenchlaitue cultivée  2Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France.
GermanGarten-Lattich  2Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1498.
Germangrüner Salat  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
GermanKopfsalat  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italianlattuga  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Portuguesealface  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanishlechuga  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedishsallat  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Koreansangchu  2Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:105.
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Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
MORPHOLOGYHead typeHead typeBUT - BUTTERHEAD LETTUCE.HEADTYPE.YR.RYDERPI 634688 2000ic SDNot Available
MORPHOLOGYHead typeHead typeBUT - BUTTERHEAD (100%)20LETTUCE.2010.SALINAS.HELLIER(1)PI 634688 2001i SDNot Available
MORPHOLOGYSeed colorSeed colorBR - brown (100%) LETTUCE.SEEDCOLOR.2015.PULLMANPI 634688 2001i SDNot Available
MORPHOLOGYSeed weight 100Weight of 100 seeds in grams.0.117 LETTUCE.SEEDWEIGHT.WRPISPI 634688 2001i SDNot Available