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Species
Trifolium dubium Sibthorp
IUCN
NCBI
EOL Text
"Notes: Western Ghats, Naturalized, Native of Mediterranean Region"
A native of Europe and Southwest Asia.
Canada
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
United States
Origin: Exotic
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | NatureServe |
Source | http://explorer.natureserve.org/servlet/NatureServe?searchName=Trifolium+dubium |
"Tamil Nadu: Dindigul, Nilgiri"
V, RM, VI, VII, VIII, IX, X, XI, XII, Juan Fernandez
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | Pablo Gutierrez, IABIN |
Source | No source database. |
Distribution: Throughout Europe, extending to the Caucasus; introduced in Pakistan (Murree hills, Chenab valley).
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242352906 |
Erect or procumbent annual, stem usually pubescent. Leaflets 8-11 mm long, obovate or obcordate, terminal leaflet petiolulate. Stipules 4-5 mm, broadly ovate. Inflorescence a compact raceme, hemispherical, 8-9 mm long. Pedicel c. 1 mm, shorter than calyx tube. Calyx 1.5-2.0 mm, glabrous. Corolla yellow becoming yellowish brown. Vexillum 3-4 mm long.
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242352906 |
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 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, Petals separate , Corolla papilionaceous, Petals clawed, 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, Style persistent in fruit, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit oblong or ellipsoidal, 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.
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | Compiled from several sources by Dr. David Bogler, Missouri Botanical Garden in collaboration with the USDA NRCS NPDC |
Source | http://plants.usda.gov/java/profile?symbol=TRDU2 |
Habit: Herb
Foodplant / internal feeder
larva of Apion nigritarse feeds within inflorescence of Trifolium dubium
Remarks: Other: uncertain
Other: major host/prey
Foodplant / gall
larva of Apion pubescens causes gall of stem of Trifolium dubium
Foodplant / sap sucker
adult of Berytinus minor sucks sap of Trifolium dubium
Other: major host/prey
In Great Britain and/or Ireland:
Foodplant / parasite
conidial anamorph of Erysiphe trifolii parasitises live Trifolium dubium
Foodplant / saprobe
immersed, roundish, bright blackish-brown pycnidium of Stagonospora coelomycetous anamorph of Leptosphaeria pratensis is saprobic on dead stem of Trifolium dubium
Remarks: season: 11
Foodplant / pathogen
sporangium of Peronospora trifoliorum infects and damages live green parts of Trifolium dubium
Foodplant / parasite
amphigenous uredium of Uromyces anthyllidis parasitises live leaf of Trifolium dubium
Foodplant / parasite
aecium of Uromyces minor parasitises live Trifolium dubium