{{Key Start | id = 5170 | title = trifolium trifolium | description = | source = Dichotomous key exported in Wiki format from Dryades / KeyToNature. | common names = | parent key = | creators = | language =eng | category = | geoscope = | audience = | status = | edited by = | general review by= | nomreview by = | expert review by = }} {{Lead | 1 | Flowers bright yellow | image j = File:Dryades_VR_inf_menodi.jpg | 2 }} {{Lead | 1* | Flowers white, cream-coloured or pink | image j = File:Dryades_VR_inf.-globose-trif.jpg | 9 }} {{Lead | 2 | Leaves subopposite. Heads at the end of stems. Old flowers brown. Plants of high mountains | 3 }} {{Lead | 2* | Leaves clearly alternate. Heads lateral. Old flowers not brown. Plants of lowland areas | 4 }} {{Lead | 3 | Plant perennial. Inflorescences globose | result = Trifolium badium Schreb. | result text = Trifolium badium Schreb. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4223 Italian Dryades Species Page] | image j = File:Dryades_TS194947.jpg }} {{Lead | 3* | Plant annual. Inflorescences ovate | result = Trifolium spadiceum L. | result text = Trifolium spadiceum L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=7490 Italian Dryades Species Page] | image j = File:Dryades_TS194946.jpg }} {{Lead | 4 | Flowers 5-8 mm long | 5 }} {{Lead | 4* | Flowers 2-4(-5) mm long | 7 }} {{Lead | 5 | Stipules not widened at base into an auricle. Plant biennial | result = Trifolium aureum Pollich subsp. aureum | result text = Trifolium aureum Pollich subsp. aureum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4226 Italian Dryades Species Page] | image j = File:Dryades_TS113921.jpg }} {{Lead | 5* | Stipules widened at base into an auricle. Plants annual | 6 }} {{Lead | 6 | Inflorescences with 20-30 flowers. Style not exceeding 1/4 of the fruit (lens!) | result = Trifolium campestre Schreb. | result text = Trifolium campestre Schreb. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4224 Italian Dryades Species Page] }} {{Lead | 6* | Inflorescences with 10-15 flowers. Style more or less as long as fruit | result = Trifolium patens Schreb. | result text = Trifolium patens Schreb. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4225 Italian Dryades Species Page] | image j = File:Dryades_TS215282.jpg }} {{Lead | 7 | Central leaflet subsessile | result = Trifolium micranthum Viv. | result text = Trifolium micranthum Viv. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=6237 Italian Dryades Species Page] | image j = File:Dryades_TS165234.jpg }} {{Lead | 7* | Central leaflet clearly stalked | 8 }} {{Lead | 8 | Inflorescences with 20-30 flowers, c. 1.5 cm wide | result = Trifolium campestre Schreb. | result text = Trifolium campestre Schreb. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=599 Italian Dryades Species Page] | image j = File:Dryades_TS210696.jpg }} {{Lead | 8* | Inflorescences with 5-12(-15) flowers, < 1 cm wide | result = Trifolium dubium Sibth. | result text = Trifolium dubium Sibth. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4222 Italian Dryades Species Page] | image j = File:Dryades_TS198262.jpg }} {{Lead | 9 | Flowers white or cream-coloured | image j = File:Dryades_VR_inf-subsferic-oval_trifo.jpg | 10 }} {{Lead | 9* | Flowers pink to red | 19 }} {{Lead | 10 | Inflorescences sessile | image j = File:Dryades_sessili.jpg | 11 }} {{Lead | 10* | Inflorescences clearly stalked, the stalk at least 5 mm long | image j = File:Dryades_nonsessile.jpg | 12 }} {{Lead | 11 | Calyx-teeth in fruit hardened and almost spiny | result = Trifolium scabrum L. | result text = Trifolium scabrum L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=602 Italian Dryades Species Page] | image j = File:Dryades_TS210687.jpg }} {{Lead | 11* | Calyx-teeth in fruit soft | result = Trifolium striatum L. subsp. striatum | result text = Trifolium striatum L. subsp. striatum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=2398 Italian Dryades Species Page] | image j = File:Dryades_TS174428.jpg }} {{Lead | 12 | Stems creeping and rooting at nodes | result = Trifolium repens L. | result text = Trifolium repens L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=597 Italian Dryades Species Page] | image j = File:Dryades_TS210693.jpg }} {{Lead | 12* | Stems erect to ascending, never rooting at nodes | 13 }} {{Lead | 13 | Inflorescences oval to cylindrical | image j = File:Dryades_VR_inf-cilind-oval_trif.jpg | 14 }} {{Lead | 13* | Inflorescences globose | image j = File:Dryades_globys.jpg | 16 }} {{Lead | 14 | Flowers 13-20 mm long. Plant perennial | result = Trifolium ochroleucon Huds. | result text = Trifolium ochroleucon Huds. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4231 Italian Dryades Species Page] | image j = File:Dryades_TS113903.jpg }} {{Lead | 14* | Flowers < 10 mm long. Plant annual | 15 }} {{Lead | 15 | Leaves all alternate | result = Trifolium arvense L. subsp. arvense | result text = Trifolium arvense L. subsp. arvense | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=622 Italian Dryades Species Page] | image j = File:Dryades_TS210692.jpg }} {{Lead | 15* | At least the upper leaves subopposite | result = Trifolium alexandrinum L. | result text = Trifolium alexandrinum L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4899 Italian Dryades Species Page] | image j = File:Dryades_TSB93288.jpg }} {{Lead | 16 | Leaves and stems clearly hairy | result = Trifolium montanum L. subsp. montanum | result text = Trifolium montanum L. subsp. montanum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=601 Italian Dryades Species Page] | image j = File:Dryades_TS155291.jpg }} {{Lead | 16* | Leaves and stems hairless or almost so | 17 }} {{Lead | 17 | Flower pedicels 1-1.6 mm long. Leaflets with 7-10 prominent veins | result = Trifolium thalii Vill. | result text = Trifolium thalii Vill. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=5455 Italian Dryades Species Page] | image j = File:Dryades_TS193934.jpg }} {{Lead | 17* | Flower pedicels 2-5 mm long. Leaflets with 10-40 weak veins | 18 }} {{Lead | 18 | Leaflets with 10-20 lateral veins. Stipules not ending in a thread-like appendix | result = Trifolium pallescens Schreb. | result text = Trifolium pallescens Schreb. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4229 Italian Dryades Species Page] | image j = File:Dryades_TS123916.jpg }} {{Lead | 18* | Leaflets with 20-40 lateral veins. Stipules ending in a thread-like appendix | result = Trifolium hybridum L. subsp. hybridum | result text = Trifolium hybridum L. subsp. hybridum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4230 Italian Dryades Species Page] | image j = File:Dryades_TS113175.jpg }} {{Lead | 19 | Flowers 18-22 mm long | result = Trifolium alpinum L. | result text = Trifolium alpinum L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=5508 Italian Dryades Species Page] | image j = File:Dryades_TS215277.jpg }} {{Lead | 19* | Flowers <15 mm long | 20 }} {{Lead | 20 | Inflorescences sessile | image j = File:Dryades_sessili.jpg | 21 }} {{Lead | 20* | Inflorescences clearly stalked, the stalk at least 5 mm long | image j = File:Dryades_nonsessile.jpg | 23 }} {{Lead | 21 | Flowers 4-5 mm long. Plant annual | result = Trifolium striatum L. subsp. striatum | result text = Trifolium striatum L. subsp. striatum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=2401 Italian Dryades Species Page] | image j = File:Dryades_TS174428.jpg }} {{Lead | 21* | Flowers >9 mm long. Plant perennial | 22 }} {{Lead | 22 | Calyx-tube hairless | result = Trifolium medium L. subsp. medium | result text = Trifolium medium L. subsp. medium | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=2393 Italian Dryades Species Page] | image j = File:Dryades_TS146499.jpg }} {{Lead | 22* | Calyx-tube hairy | result = Trifolium alpestre L. | result text = Trifolium alpestre L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4232 Italian Dryades Species Page] | image j = File:Dryades_TS126584.jpg }} {{Lead | 23 | Calylx-tube with 5(-6) veins. Corolla persistent in fruit | result = Trifolium hybridum L. subsp. hybridum | result text = Trifolium hybridum L. subsp. hybridum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=2390 Italian Dryades Species Page] | image j = File:Dryades_TS113175.jpg }} {{Lead | 23* | Calyx-tube with more than 10 veins. Corolla not persistent in fruit | 24 }} {{Lead | 24 | Inflorescences oval to cylindrical | image j = File:Dryades_VR_inf-cilind-oval_trif.jpg | 25 }} {{Lead | 24* | Inflorescences globose | image j = File:Dryades_VR_inf.-globose-trif.jpg | 27 }} {{Lead | 25 | Leaflets < 2 times as long as wide | result = Trifolium incarnatum L. | result text = Trifolium incarnatum L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=2399 Italian Dryades Species Page] | image j = File:Dryades_TS210689.jpg }} {{Lead | 25* | Leaflets >2 times as long as wide | 26 }} {{Lead | 26 | Flowers 5-8 mm long. Plant perennial | result = Trifolium rubens L. | result text = Trifolium rubens L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=603 Italian Dryades Species Page] | image j = File:Dryades_TS113176.jpg }} {{Lead | 26* | Flowers 2-4(-5) mm long. Plant annual | result = Trifolium arvense L. subsp. arvense | result text = Trifolium arvense L. subsp. arvense | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=2400 Italian Dryades Species Page] | image j = File:Dryades_TS210692.jpg }} {{Lead | 27 | Flowers sessile, without a small bract at the base (lens!). Calyx-mouth filled by a tuft of hairs | result = Trifolium pratense L. subsp. pratense | result text = Trifolium pratense L. subsp. pratense | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=600 Italian Dryades Species Page] | image j = File:Dryades_TS210694.jpg }} {{Lead | 27* | Flowers shortly stalked, with a small bract at the base of the stalk. Calyx mouth not filled by hairs | 28 }} {{Lead | 28 | Calyx not swollen in fruit. Plant of mountain areas | result = Trifolium thalii Vill. | result text = Trifolium thalii Vill. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4228 Italian Dryades Species Page] | image j = File:Dryades_TS193934.jpg }} {{Lead | 28* | Calyx swollen in fruit. Plants of lowland areas | image j = File:Dryades_rigonfiostella.jpg | 29 }} {{Lead | 29 | Standard (upper petal) pointing upwards. Plant perennial | result = Trifolium fragiferum L. subsp. fragiferum | result text = Trifolium fragiferum L. subsp. fragiferum | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4227 Italian Dryades Species Page] | image j = File:Dryades_TS210695.jpg }} {{Lead | 29* | Standard point downwards. Plaat annual | result = Trifolium resupinatum L. | result text = Trifolium resupinatum L. | description = | remarks =[http://dbiodbs.units.it/carso/chiavi_pub25?usr=admin&n=5170&specie=4903 Italian Dryades Species Page] | image j = File:Dryades_TS174299.jpg }} {{Key End}}