Details for: PI 593267, Trifolium dubium Sibth., Hop Clover


Summary Data
Taxonomy:
Trifolium dubium Sibth.
Top Name:
Hop Clover
Origin:
Collected – California, United States
Received by NPGS:
17 Oct 1995
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 593267 01 SD
 
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Core Passport Data
Taxonomy:
Trifolium dubium Sibth.
Top Name:
Hop Clover
Origin:
Collected – California, United States
Received by NPGS:
17 Oct 1995
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Collected
03 June 1994.
California, United States
Locality: About 15 miles East of Marysville, on Rte. 20, then 6 miles NE on Peoria Rd. to Sierra Foothills Experiment Station.
Coordinates: 39.2347, -121.2853 (Map it)
Elevation: 130m.
Environment description: Mountain foothills along bank of creek leading to Yuba River, 60% sand, 27% sh, 13% clay, pH 6.9. Soil thin rocky. Slope 25-30 degrees, southern aspect. Scrub oak, grasslands with wild oat, pine, bromus, introduced T. hir Trifolium hirtum.
Number of plants sampled: 50
Comment: Occasional abundance.
Collector(s):
Accession Names and Identifiers
Hop Clover
Type: Local name

C-2
Type: Collector identifier

TAY0594
Type: Exploration identifier
Group: PEO-EXPLORATIONS
Exploration ID links

Narrative
Upright.
Trifolium dubium Sibth.
Genus:
Trifolium
Subgenus:
Chronosemium
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Trifolieae
Nomen number:

40219
Place of publication:

Fl. oxon. 231. 1794
Verified:
03/23/2007 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Homotypic Synonym(s)
Chrysaspis dubia (Sibth.) Desv.
Trifolium filiforme L. var. dubium (Sibth.) Fiori

Heterotypic Synonym(s)
Trifolium minus Sm.
Trifolium parviflorum Bunge ex Nyman

Common names
LanguageNameAlternate namenoteseqCitation
Englishlesser trefoil  1Stace, C. 1995. New flora of the British Isles.
Englishlow hop clover  1Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Englishshamrock  1Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Englishsmall clover  1Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Englishsmall hop clover  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Englishsmall trefoil  1Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Englishsuckling clover  1Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Englishyellow clover  1Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
English (Canada)small hop clover Agriculture & Agri-Food Canada official name2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 144.
Frenchtrèfle douteux  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.
French (Canada)petit trèfle jaune Agriculture & Agroalimentaire Canada nom officiel2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 144.
Italiantrifoglio filiforme  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Swedishtrådklöver  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinesedun ye che zhou cao  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
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Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHCrown widthVisual estimate of most common crown width. Mean value scored 1.0 (wide) to 9.0 (narrow)8 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
GROWTHGrowth habitGrowth habit (1 = Prostrate, 9 = Very erect)5 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
GROWTHPlant heightPlant height in centimeters11 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
GROWTHPlant typePlant type2 - Intermediate CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
GROWTHPlant widthPlant width in centimeters63 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
GROWTHUniformityPlant uniformity for growth and development within accession taken at 50% flowering (1 = Most uniform, 9 = Least uniform)1 - Most uniform CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
GROWTHVigorPlant vigor (1 = Most vigorous, 9 = Poor)1 - Most vigorous CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYFlower colorFlower color9 - Yellow CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYLeaf colorColor of leaves9 - Light green CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYLeafinessLeafiness (1 = Most, 9 = Few)5 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYMarking of leaves as defined bLeaf marking (0 = None, 1.0 = Circular, 2.0 = V Marking)0 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYLeaf markingDegree of leaf marking (1.0 = Strong, 9.0 = None)9 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYLeaf sizeLeaf size (1 = Largest, 9 = Small)9 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYPubescencePubescence9 - Dense CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYFMC stemsFMC stems9 - Fine CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
MORPHOLOGYNumber of stemsRelative number of stems (1 = Many, 9 = Few)1 - Many CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
PHENOLOGYMaturity (time to mature)Relative time of maturity (1 = Very late, 9 = Very early)5 - Medium CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
PRODUCTIONFlower productionFlower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers)9 CLOVER.S9.BYRON.FALL.SELF.2006PI 593267 01 SD
PRODUCTION100 SEED WEIGHT IN GRAMSWeight of 100 seeds in grams0.05 CLOVER-ANNUALS.WEIGHTSPI 593267 01 SD