Details for: PI 419312, Trifolium nigrescens Viv., 55


Summary Data
Taxonomy:
Trifolium nigrescens Viv.
Top Name:
55
Origin:
Collected – Greece
Received by NPGS:
20 Jul 1977
PI Assigned:
1977
Improvement Status:
Wild material
Reproductive Uniformity:

Population
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 419312 01 SD
 
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Core Passport Data
Taxonomy:
Trifolium nigrescens Viv.
Top Name:
55
Origin:
Collected – Greece
Received by NPGS:
20 Jul 1977
PI Assigned:
1977
Improvement Status:
Wild material
Reproductive Uniformity:

Population
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Collected

Greece
Locality: Twenty km southwest of Trikkala, one-half km southeast of Lazzarina. Village compost pile.
Coordinates: 39.4500, 21.5900 (Map it)

Donated
20 July 1977.
Georgia, United States

Donor(s):
Accession Names and Identifiers
55
Type: Collector identifier

Narrative
Plant prostrate.
Trifolium nigrescens Viv.
Genus:
Trifolium
Subgenus:
Trifolium
Section:
Trifoliastrum
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Trifolieae
Nomen number:

310557
Place of publication:

Fl. ital. fragm. 12. 1808
Verified:
03/26/2007 by ARS Systematic Botanists.
Other conspecific taxa
Trifolium nigrescens Viv. subsp. meneghinianum (Clementi) Zohary (0 active accession[s])
Trifolium nigrescens Viv. subsp. nigrescens (0 active accession[s])
Trifolium nigrescens Viv. subsp. petrisavii (Clementi) Holmboe (11 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Common names
LanguageNameAlternate namenoteseqCitation
Englishball clover  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
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Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHGrowth habitGrowth habit (1 = Prostrate, 9 = Very erect)5 CLOVER.S9.96PI 419312 01 SD
GROWTHPlant heightPlant height in centimeters24 CLOVER.S9.96PI 419312 01 SD
GROWTHPlant typePlant type2 - Intermediate CLOVER.S9.96PI 419312 01 SD
GROWTHPlant widthPlant width in centimeters50 CLOVER.S9.96PI 419312 01 SD
GROWTHRegrowthAmount of vegetative growth three weeks after first harvest in second year of growth (1 = Most, 9 = Least)1 - Most CLOVER.S9.96PI 419312 01 SD
GROWTHSpring plant sizeVisual estimate of most common plant size in the spring. (1.0 = Large, 9.0 = Small)9 CLOVER.S9.96PI 419312 01 SD
GROWTHSummer plant sizeVisual estimate of most common plant size in summer (1 = Large, 9 = Small)9 - Small CLOVER.S9.96PI 419312 01 SD
GROWTHUniformityPlant uniformity for growth and development within accession taken at 50% flowering (1 = Most uniform, 9 = Least uniform)1 - Most uniform CLOVER.S9.96PI 419312 01 SD
GROWTHVigorPlant vigor (1 = Most vigorous, 9 = Poor)5 - Medium CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYFlower colorFlower color1 - White CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYNumber of headsNumber of heads (1 = Many, 9 = Few)5 - Medium CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYLeaf colorColor of leaves1 - Dark green CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYLeafinessLeafiness (1 = Most, 9 = Few)1 CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYMarking of leaves as defined bLeaf marking (0 = None, 1.0 = Circular, 2.0 = V Marking)0 CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYLeaf markingDegree of leaf marking (1.0 = Strong, 9.0 = None)9 CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYLeaf sizeLeaf size (1 = Largest, 9 = Small)9 CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYPubescencePubescence1 - Sparse CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYSeeds per headNumber of seeds per head - coded (1 = Most, 9 = Fewest)1 - Most CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYFMC stemsFMC stems9 - Fine CLOVER.S9.96PI 419312 01 SD
MORPHOLOGYNumber of stemsRelative number of stems (1 = Many, 9 = Few)1 - Many CLOVER.S9.96PI 419312 01 SD
PHENOLOGYMaturity (time to mature)Relative time of maturity (1 = Very late, 9 = Very early)1 - Very late CLOVER.S9.96PI 419312 01 SD
PRODUCTIONFlower productionFlower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers)5 CLOVER.S9.96PI 419312 01 SD
PRODUCTIONHard seed at harvestPercent of hard seed recorded at harvest80 CLOVER.S9.96PI 419312 01 SD
PRODUCTIONSeed productionSeed production (1 = High, 9 = Low)1 - High CLOVER.S9.96PI 419312 01 SD
PRODUCTIONSpring recoverySpring recovery (1 = Much growth, 9 = Little01 - Much growth CLOVER.S9.96PI 419312 01 SD
PRODUCTIONStand survivalPercent of stand survival75 CLOVER.S9.96PI 419312 01 SD
PRODUCTION100 SEED WEIGHT IN GRAMSWeight of 100 seeds in grams0.02 CLOVER-ANNUALS.WEIGHTSPI 419312 01 SD