Field Clover

Foodplant / internal feeder
larva of Apion nigritarse feeds within inflorescence of Trifolium campestre
Remarks: Other: uncertain
Other: major host/prey

Foodplant / gall
larva of Apion pubescens causes gall of stem of Trifolium campestre

Plant / associate
adult of Bruchus rufipes is associated with Trifolium campestre
Remarks: season: (late 3-)5-6(-11)

Foodplant / sap sucker
Ceraleptus lividus sucks sap of Trifolium campestre

In Great Britain and/or Ireland:
Foodplant / parasite
conidial anamorph of Erysiphe trifolii parasitises live Trifolium campestre

Foodplant / spot causer
conidiophore of Stemphylium dematiaceous anamorph of Stemphylium sarciniforme causes spots on live leaf of Trifolium campestre

Foodplant / parasite
amphigenous uredium of Uromyces anthyllidis parasitises live leaf of Trifolium campestre

Foodplant / parasite
telium of Uromyces minor parasitises live Trifolium campestre

campestre: of the fields or plains

Rare

Native to Europe and western Asia. Naturalised in North America.

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules clasping stem at the base, Stipules adnate to petiole, Leaves compound, Leaves palmately 2-3 foliate, Leaves pinnately 3-foliolate, Leaves odd pinnate, Leaflets dentate or denticulate, Leaflets 3, Leaves glabrous or nearly so, Inflorescences racemes, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Inflorescence terminal, Bracteoles present, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals denticulate or erose, Petals striate, with grooves and ridges, Petals orange or yellow, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit orbicular to subglobose, Fruit or valves persistent on stem, Fruit enclosed in calyx, Fruit glabrous or glabrate, Fruit 1-seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

Trifolium campestre, commonly known as hop trefoil, field clover and low hop clover, is a species of flowering plant native to Europe and western Asia, growing in dry, sandy grassland habitats, fields, woodland margins, roadsides, wastelands and cultivated land. The species name campestre means "of the fields".