Details for: PI 593292, Trifolium microcephalum Pursh, C-25


Summary Data
Taxonomy:
Trifolium microcephalum Pursh
Top Name:
C-25
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 593292 01 SD
 
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Core Passport Data
Taxonomy:
Trifolium microcephalum Pursh
Top Name:
C-25
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. 4 miles NE on Atlas Peek Rd.
Coordinates: 38.4028, -122.2372 (Map it)
Elevation: 470m.
Environment description: Chapparel foothills with vernal pools; wild oat, bunch grasses, festuca californicum, scrub oak, vicia, western wild rye, ryegrass. Sandy loam; 67% sand, 33%sh, 0 clay. pH 6.0.
Number of plants sampled: 150
Comment: Abundant.
Collector(s):
Accession Names and Identifiers
C-25
Type: Collector identifier

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

Narrative
Upright. Low growing. Plants short. Flowers white pink.
Trifolium microcephalum Pursh
Genus:
Trifolium
Subgenus:
Trifolium
Section:
Involucrarium
Family:
Fabaceae (alt. Leguminosae)
Subfamily:
Faboideae
Tribe:
Trifolieae
Nomen number:

40294
Place of publication:

Fl. Amer. sept. 2:478. 1813
Comment:
for date of this publication see Taxon 57:305. 2008
Verified:
03/26/2007 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Common names
LanguageNameAlternate namenoteseqCitation
Englishmaiden clover  1Cronquist, A. et al. 1972-. Intermountain flora.
Englishmarden clover  1Gillett, J. M. & N. L. Taylor (M. Collins ed.). 2001. The world of clovers 240.
Englishsmall-head clover  1Taylor, N. P. 1997. pers. comm. Note: re. common names
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)9 CLOVER.S9.97PI 593292 01 SD
GROWTHGrowth habitGrowth habit (1 = Prostrate, 9 = Very erect)1 CLOVER.S9.97PI 593292 01 SD
GROWTHPlant heightPlant height in centimeters12 CLOVER.S9.97PI 593292 01 SD
GROWTHPlant typePlant type2 - Intermediate CLOVER.S9.97PI 593292 01 SD
GROWTHPlant widthPlant width in centimeters60 CLOVER.S9.97PI 593292 01 SD
GROWTHSpring plant sizeVisual estimate of most common plant size in the spring. (1.0 = Large, 9.0 = Small)9 CLOVER.S9.97PI 593292 01 SD
GROWTHSummer plant sizeVisual estimate of most common plant size in summer (1 = Large, 9 = Small)1 - Large CLOVER.S9.97PI 593292 01 SD
GROWTHUniformityPlant uniformity for growth and development within accession taken at 50% flowering (1 = Most uniform, 9 = Least uniform)1 - Most uniform CLOVER.S9.97PI 593292 01 SD
GROWTHVigorPlant vigor (1 = Most vigorous, 9 = Poor)1 - Most vigorous CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYFlower colorFlower color3 - Pink CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYNumber of headsNumber of heads (1 = Many, 9 = Few)1 - Many CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYLeaf colorColor of leaves5 - Medium green CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYLeafinessLeafiness (1 = Most, 9 = Few)1 CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYMarking of leaves as defined bLeaf marking (0 = None, 1.0 = Circular, 2.0 = V Marking)0 CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYLeaf markingDegree of leaf marking (1.0 = Strong, 9.0 = None)9 CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYLeaf sizeLeaf size (1 = Largest, 9 = Small)5 CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYPubescencePubescence1 - Sparse CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYFMC stemsFMC stems5 - Medium CLOVER.S9.97PI 593292 01 SD
MORPHOLOGYNumber of stemsRelative number of stems (1 = Many, 9 = Few)1 - Many CLOVER.S9.97PI 593292 01 SD
PHENOLOGYMaturity (time to mature)Relative time of maturity (1 = Very late, 9 = Very early)1 - Very late CLOVER.S9.97PI 593292 01 SD
PRODUCTIONFlower productionFlower production. Mean value scored 1.0 (most flowers) to 9.0 (no flowers)1 CLOVER.S9.97PI 593292 01 SD
PRODUCTIONHard seed at harvestPercent of hard seed recorded at harvest100 CLOVER.S9.97PI 593292 01 SD
PRODUCTIONSeed productionSeed production (1 = High, 9 = Low)1 - High CLOVER.S9.97PI 593292 01 SD
PRODUCTIONSpring recoverySpring recovery (1 = Much growth, 9 = Little01 - Much growth CLOVER.S9.97PI 593292 01 SD
PRODUCTIONStand survivalPercent of stand survival90 CLOVER.S9.97PI 593292 01 SD
PRODUCTION100 SEED WEIGHT IN GRAMSWeight of 100 seeds in grams0.05 CLOVER-ANNUALS.WEIGHTSPI 593292 01 SD