Details for: PI 419416, Trifolium nigrescens Viv., 172

Summary Data

Taxonomy:

Trifolium nigrescens Viv.

Top Name:

172

Origin:

Collected – Kríti, Greece

Maintained:

Plant Genetic Resources Conservation Unit (S9)

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

Backup Location:

National Laboratory for Genetic Resources Preservation

Inventory Volume:

185
View original Plant Inventory data in pdf format

Availability

Form	Quantity	Note	Inventory	Cart
Seed	100 count		PI 419416 03 SD

There are no images for this accession.

Core Passport Data

Taxonomy:

Trifolium nigrescens Viv.

Top Name:

172

Origin:

Collected – Kríti, Greece

Maintained:

Plant Genetic Resources Conservation Unit (S9)

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

Kríti, Greece
Locality: Sembronas, in meadow.
Coordinates: 35.3833, 23.8167 (Map it)

Collector(s):

Accession Names and Identifiers

172

Type: Collector identifier

S-28-7

Type: Other or unclassified name

Group: TAYLOR ANNUAL CLOVER

Norman L. Taylor Annual Clover Collection

Taylor, Norman L. University of Kentucky

Narrative

Erect branching. Seed head similar to white clover but much smaller.

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

Language	Name	Alternate name	note	seq	Citation
English	ball clover			1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study	Inventory	Availability
GROWTH	Growth habit	Growth habit (1 = Prostrate, 9 = Very erect)	5	CLOVER.S9.96	PI 419416 02 SD	Not Available
GROWTH	Plant type	Plant type	1 - Small	CLOVER.S9.96	PI 419416 02 SD	Not Available
GROWTH	Regrowth	Amount of vegetative growth three weeks after first harvest in second year of growth (1 = Most, 9 = Least)	9 - Least	CLOVER.S9.96	PI 419416 02 SD	Not Available
GROWTH	Spring plant size	Visual estimate of most common plant size in the spring. (1.0 = Large, 9.0 = Small)	9	CLOVER.S9.96	PI 419416 02 SD	Not Available
GROWTH	Summer plant size	Visual estimate of most common plant size in summer (1 = Large, 9 = Small)	9 - Small	CLOVER.S9.96	PI 419416 02 SD	Not Available
GROWTH	Uniformity	Plant uniformity for growth and development within accession taken at 50% flowering (1 = Most uniform, 9 = Least uniform)	1 - Most uniform	CLOVER.S9.96	PI 419416 02 SD	Not Available
GROWTH	Vigor	Plant vigor (1 = Most vigorous, 9 = Poor)	5 - Medium	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Flower color	Flower color	1 - White	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Number of heads	Number of heads (1 = Many, 9 = Few)	9 - Few	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Leaf color	Color of leaves	1 - Dark green	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Leafiness	Leafiness (1 = Most, 9 = Few)	1	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Marking of leaves as defined b	Leaf marking (0 = None, 1.0 = Circular, 2.0 = V Marking)	0	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Leaf marking	Degree of leaf marking (1.0 = Strong, 9.0 = None)	9	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Leaf size	Leaf size (1 = Largest, 9 = Small)	9	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Seeds per head	Number of seeds per head - coded (1 = Most, 9 = Fewest)	9 - Fewest	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	FMC stems	FMC stems	9 - Fine	CLOVER.S9.96	PI 419416 02 SD	Not Available
MORPHOLOGY	Number of stems	Relative number of stems (1 = Many, 9 = Few)	5 - Medium	CLOVER.S9.96	PI 419416 02 SD	Not Available
PHENOLOGY	Maturity (time to mature)	Relative time of maturity (1 = Very late, 9 = Very early)	1 - Very late	CLOVER.S9.96	PI 419416 02 SD	Not Available
PRODUCTION	Flower production	Flower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers)	5	CLOVER.S9.96	PI 419416 02 SD	Not Available
PRODUCTION	Hard seed at harvest	Percent of hard seed recorded at harvest	80	CLOVER.S9.96	PI 419416 02 SD	Not Available
PRODUCTION	Seed production	Seed production (1 = High, 9 = Low)	9 - Low	CLOVER.S9.96	PI 419416 02 SD	Not Available
PRODUCTION	Spring recovery	Spring recovery (1 = Much growth, 9 = Little0	5 - Medium	CLOVER.S9.96	PI 419416 02 SD	Not Available
PRODUCTION	Stand survival	Percent of stand survival	60	CLOVER.S9.96	PI 419416 02 SD	Not Available
PRODUCTION	100 SEED WEIGHT IN GRAMS	Weight of 100 seeds in grams	0.018	CLOVER-ANNUALS.WEIGHTS	PI 419416 03 SD