Details for: PI 593296, Trifolium obtusiflorum Hook. & Arn., Swamp clover


Summary Data
Taxonomy:
Trifolium obtusiflorum Hook. & Arn.
Top Name:
Swamp 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 593296 03 SD
 
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Core Passport Data
Taxonomy:
Trifolium obtusiflorum Hook. & Arn.
Top Name:
Swamp 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
06 June 1994.
California, United States
Locality: Napa. Pope Valley; Wallace Farm; 3 miles NE of Wantrup Wildlife Sanctuary; Creek about 1/2 mile N of farmhouse.
Coordinates: 38.6350, -122.4081 (Map it)
Elevation: 220m.
Environment description: Among rocks along bank of dry creek. Sandy soil; 93% sand, 7% sh, 0 clay. pH 7.3
Number of plants sampled: 75
Comment: Frequent abundance.
Collector(s):
Accession Names and Identifiers
Swamp clover
Type: Local name

C-29
Type: Collector identifier

S-244-1
Type: Other or unclassified name
Group: TAYLOR ANNUAL CLOVER
Norman L. Taylor Annual Clover Collection
Taylor, Norman L. University of Kentucky

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

Narrative
Nice tall plants, very prickly calyx teeth. Upright. Flowers purple.
Trifolium obtusiflorum Hook. & Arn.
Genus:
Trifolium
Subgenus:
Trifolium
Section:
Involucrarium
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Trifolieae
Nomen number:

404491
Place of publication:

Bot. Beechey Voy. 331. 1838
Verified:
03/26/2007 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Common names
LanguageNameAlternate namenoteseqCitation
Englishclammy clover  1Gillett, J. M. & N. L. Taylor (M. Collins ed.). 2001. The world of clovers 264. Note: lists as Trifolium obtusiflorum Hook.
Englishcreek clover  1Gillett, J. M. & N. L. Taylor (M. Collins ed.). 2001. The world of clovers 264. Note: lists as Trifolium obtusiflorum Hook.
Englishsour-salt clover  1Gillett, J. M. & N. L. Taylor (M. Collins ed.). 2001. The world of clovers 264. Note: lists as Trifolium obtusiflorum Hook.
Annotations
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Citations
Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHCrown widthVisual estimate of most common crown width. Mean value scored 1.0 (wide) to 9.0 (narrow)2 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
GROWTHGrowth habitGrowth habit (1 = Prostrate, 9 = Very erect)1 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
GROWTHPlant heightPlant height in centimeters33 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
GROWTHPlant typePlant type2 - Intermediate CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
GROWTHPlant widthPlant width in centimeters90 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 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 593296 03 SD
GROWTHVigorPlant vigor (1 = Most vigorous, 9 = Poor)1 - Most vigorous CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYFlower colorFlower color7 - Purple CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYLeaf colorColor of leaves5 - Medium green CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
MORPHOLOGYLeafinessLeafiness (1 = Most, 9 = Few)5 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYMarking of leaves as defined bLeaf marking (0 = None, 1.0 = Circular, 2.0 = V Marking)0 CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
MORPHOLOGYMarking of leaves as defined bLeaf marking (0 = None, 1.0 = Circular, 2.0 = V Marking)2 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYLeaf markingDegree of leaf marking (1.0 = Strong, 9.0 = None)5 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYLeaf markingDegree of leaf marking (1.0 = Strong, 9.0 = None)9 CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
MORPHOLOGYLeaf sizeLeaf size (1 = Largest, 9 = Small)5 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYLeaf sizeLeaf size (1 = Largest, 9 = Small)9 CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
MORPHOLOGYPubescencePubescence1 - Sparse CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
MORPHOLOGYFMC stemsFMC stems5 - Medium CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
MORPHOLOGYFMC stemsFMC stems9 - Fine CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
MORPHOLOGYNumber of stemsRelative number of stems (1 = Many, 9 = Few)1 - Many CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
PHENOLOGYMaturity (time to mature)Relative time of maturity (1 = Very late, 9 = Very early)5 - Medium CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
PRODUCTIONFlower productionFlower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers)5 CLOVER.S9.BYRON.FALL.SELF.2006PI 593296 03 SD
PRODUCTIONFlower productionFlower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers)9 CLOVER.S9.WESTBROOK.UNCAGED.SPRING.2004 Not Available
PRODUCTION100 SEED WEIGHT IN GRAMSWeight of 100 seeds in grams0.16 CLOVER-ANNUALS.WEIGHTSPI 593296 03 SD