Trifolium bonannii C.Presl - Bonann.s Clover.

Taxonomic position.

Family Fabaceae Lindl., genus Trifolium L.


Trifolium neglectum C.A.Mey.,T. fragiferum subsp. bonannii (C.Presl) Sojak.

Morphology and biology.

Perennial herbaceous plant. Stems 40 cm tall. Corolla pink, calyx at mature fruits 4-6 mm long, inflated, corolla persistent at fruits, always 2-2.5 mm longer than calyx. Heads at fruit oblong, 1.5-2.5 cm long and 1-1.5 cm wide. Fruit an elliptic coriaceous pod with 1-2 seeds. Flowers in May, fruits in August. Cross-pollinated plant. 2n=16.


Moldova, western Black Sea area, Crimea, Caucasus, mountains of Central Asia.


On damp subsaline lawns, in depressions and at brook and stream sides, more often in desert and semidesert zones, sometimes at field fringes and near irrigation ditches.

Economic value.

Forage plant. Prospective species for cultivation on irrigated pastures. Salt-resistant.


Galushko AI. 1980. Flora of the North Caucasus: Handbook. V.2. 352 p. (In Russian).
Grossheim AA. 1952. Flora of Caucasus. 2nd ed. V.5. P.194-221. (In Russian).
Nikitin VV., Geldikhanov AM. 1988. Manual of plants of Turkmenistan. Leningrad: Nauka. 680 p. (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).
Hulten E., Fries M. 1986. Atlas of North European vascular plants north of the Tropic of Cancer. V.1-3. Konigstein: Koeltz Scientific Books.

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