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Trifolium campestre

Trifolium campestre Schreb.

Trifolium procumbens L. 1755

non 1753

Low Hop Clover, Hop Trefoil, Field Clover

KingdomPlantaePlants, but not fungi, lichens, or algae (from Stearn’s Botanical Latin)
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderFabalesLegumes (pea and bean families)
FamilyFabaceaeLegume family (peas and beans)
GenusTrifolium“Three-leaved,” for the 3-leaf clusters
SpeciescampestreOf the fields or open plains

About plant names...

Low hop clover is native to Eurasia, but it has become naturalized and widespread in North America.

Identification: Trifolium (“three-leaved”) is a large genus, and three common yellow hop clovers are compared below. Black medic, a relative, looks closely similar to low hop clover, so this is included too.

 

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

8/1/2009 · Gordon & Kathy’s, Prospect, ME
≈ 6 × 4" (15 × 10 cm) ID is uncertain

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

7/15/2012 · Slipway Restaurant, Thomaston, ME
≈ 3½ × 3½" (9.2 × 9.8 cm)

 
Trifolium aureum
You are here
Trifolium campestre
Common Name

Hop Clover

Low Hop Clover
Plant Plants 6-18" (15-45 cm) high. Up to 16" (40 cm) tall, sometimes erect, sometimes growing along the ground
Flowers

 

About ¾" (1.9 cm) high. Flowers turn brown and wilt, seeds fall to the ground instead of forming a fruit

 

Yellow, less than ½" (1.3 cm) across; roughly spherical, with 20-40 individual flowers; flowerheads become brown with age. Upper petals of the flowers have grooves.
Leaves

 

Groups of 3. Central leaf is not on a separate stem (petiole). Leaflets about ¾" (1.9 cm) long, ¼" (6.3 mm) wide.

 

Groups of 3, about ¾" (1.9 cm) long; with small teeth near the leaf tips. The central leaf is on a longer stem (petiole) than with other hop clovers, often notched at the top
Stem Multiply branched, usually erect Green or reddish green, multiply branched
Seeds Inconspicuous Inconspicuous
Range/ Zones

Habitats Grasslands, fields, roadsides, wastelands Temperate grasslands, fields, roadsides, wastelands, cultivated fields
Type Wild Wild
Occurrence Common Common

 

 
Medicago lupulina
Common Name

Black Medic
Plant Plant may reach up to 30" (76 cm) long
Flowers

 

Rounded, about ¼-½" (6.3-12 mm)
Leaves

 

Three leaves, with slightly serrated tips, center leaf on separate petiole
Stem Often prostrate, light green or reddish green, covered with white hairs
Seeds Black, coiled
Fruit

 

Seedpods are “coiled”—this is probably the most unique feature of black medic
Range/ Zones

Habitats Prairies (black soil, clay), weedy meadows, old fields, cropland, pastures, vacant lots, landfills, cemeteries, lawns, areas along railroads and roadsides, and miscellaneous waste areas; common in low-cut lawns
Type Wild

 

Online References:

Trifolium campestre at Illinois Wildflowers

Trifolium campestre Kansas Wildflowers and Grasses

Trifolium campestre on Missouriplants.com

Trifolium campestre on Discover Life

Trifolium campestre on CalPhotos

Trifolium campestre at the University of Wisconsin's Robert W. Freckmann Herbarium

Trifolium campestre on Southeastern Flora, the Southeastern U.S. Plant Identification Resource

Trifolium campestre at the Vanderbilt University Bioimages web site

Trifolium campestre on eFloras

References:

Newcomb, Lawrence, Morrison, Gordon (Illus.), Newcomb’s Wildflower Guide, Little, Brown and Company, 1977, p. 58

Peterson, Roger Tory, McKenny, Margaret, Peterson Field Guides: A Field Guide to Wildflowers of Northeastern and North Central North America, Houghton Mifflin, 1968, p. 150

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

8/2/2009 · Gordon & Kathy’s, Prospect, ME
≈ 9 × 6" (23 × 15 cm) ID is uncertain

Trifolium campestre description by Thomas H. Kent, last updated 16 Aug 2013.

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Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

By Bernd Haynold · 9/30/2007 · Härtsfeld, Germany

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

6/14/2010 · Tom and Susan’s, Pepperell, MA

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

7/15/2012 · Gordon and Kathy’s, Prospect, ME
≈ 9 × 6" (22 × 14 cm)

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

8/3/2009 · By J Gordon Williamson ID is uncertain

Trifolium campestre (Low Hop Clover, Hop Trefoil, Field Clover)

5/23/2008 · Memphis, TN · By Tim Chandler

Range:

About this map...