Relatives
Trifolium campestre Schreb. - Hop Trefoil, Low Hop Clover.
Taxonomic position.
Family Fabaceae Lindl., genus Trifolium L.Synonyms.
Chrysaspis campestris (Schreb.) Desv., Trifolium agrarium L., Trifolium procumbens L., Trifolium campestre Schreb. var. lagrangei (Boiss.) Zohary, Trifolium erythranthum (Griseb.) Halacsy, Trifolium karatavicum Pavlov, Trifolium lagrangei Boiss., Trifolium procumbens L. var. campestre DC., Trifolium pseudoprocumbens C.C.Gmel., Trifolium pumilum Hossain, Trifolium thionanthum Hausskn.Morphology and biology.
Annual herbaceous plant. Stems 10-25 cm tall, ascending, laxly branched. Stipules ovate, ciliate at margins, acute at apex. Leaflets obovate, middle leaflet always on longer petiolule. Racemes many-flowered, semiglobose, after blossom ovoid. Calyx teeth unequal, lower ones longer than tube. Style as long as one quarter of the pod length. Flowers in June, fruits in July. Autogamous. 2n = 14.Distribution.
European part of the former USSR, Caucasus, Central Asia, Far East (adventive).Ecology.
In meadows, forest glades and fringes, roadsides, field fringes. Up to the upper alpine mountain zone. Very common.Economic value.
May be used as forage plant.References:
Brezhnev DD., Korovina ON. 1981. Wild relatives of cultivated plants of the flora of the USSR. Leningrad: Kolos. 376 p. (In Russian).Grossheim AA. 1952. Flora of Caucasus. 2nd ed. V.5. P.194-221. (In Russian).
Bobrov EG. 1987. Clover - Trifolium L. In: Fedorov AA., Tzvelev NN., eds. Flora of the European part of the USSR. V.6. P.195-208. (In Russian).
Bobrov EG. 1945. Clover - Trifolium L. In: Shishkin BK., ed. Flora URSS. V.11. P.189-261. (In Russian).
Pavlov NV., ed. 1961. Flora of Kazakhstan. V.2. Alma-Ata. 515 p. (In Russian).
Hulten E., Fries M. 1986. Atlas of North European vascular plants north of the Tropic of Cancer. V.1-3. Konigstein: Koeltz Scientific Books.