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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Anthemideae
Subtribus: Anthemidinae
Genus: Tripleurospermum
Species: T. ambiguum – T. anchialense – T. auriculatum – T. baytopianum – T. callosum – T. caucasicum – T. conoclinium – T. corymbosum – T. decipiens – T. disciforme – T. elongatum – T. fissurale – T. froedinii – T. griersonii – T. heterolepis – T. homogamum – T. hookeri – T. hygrophilum – T. inodorum – T. insularum – T. kotschyi – T. limosum – T. maritimum – T. melanolepis – T. microcephalum – T. monticola – T. parviflorum – T. pichleri – T. repens – T. rosellum – T. rupestre – T. sannineum – T. sevanense – T. subpolare – T. tempskyanum – T. tenuifolium – T. tetragonospermum – T. transcaucasicum – T. ziganaense
Name

Tripleurospermum Sch.Bip., Tanaceteen: 31 (1844).

Type species: T. inodorum (L.) Sch.Bip.

Synonyms

Homotypic
Chamaemelum Vis., Giorn. Bot. Ital. 2(1): 33 (1845) nom. illeg. hom., non Chamaemelum Mill. (1754)
Rhytidospermum Sch.Bip. in Webb & Berthel., Hist. Nat. Iles Canaries 3(2.2): 277 (1844).

References
Additional references

Král, M. 1990. Tripleurospermum anchialense, a new species of the genus Tripleurospermum. Preslia 62(1): 41–42. PDF Reference page.
İnceer, H.& Hayırlıoğlu-Ayaz, S. 2008. Tripleurospermum ziganaense (Asteraceae, Anthemideae), a new species from north-east Anatolia, Turkey. Botanical Journal of the Linnean Society 158(4): 696–700. DOI: 10.1111/j.1095-8339.2008.00883.xReference page.
Yıldırımlı, Ş. 2010. Some new taxa, records and taxonomic treatments from Turkey. Ot Sistematik Botanik Dergisi 17(2): 1–114. Reference page.
Pobedimova, E.G. 1961. Tripleurospermum. Pp. 152 in Schischkin, B.K. & Bobrov, E.G. (eds.), Flora URSS (Flora Unionis Rerumpublicarum Sovieticarum Socaialisticarum) XXVI. [Compositae]. English page 1-862, Academia Scientiarum URSS, Mosqua, Leningrad. DJVU BHL (English translation)Reference page.
Hossain, E. 1975. Tripleurospermum. Pp. 295–311 in Davis, P.H. (ed.), Flora of Turkey and the East Aegean Islands. Vol. 5 (Compositae). Edinburgh University Press, Edinburgh, 890 pp., ISBN 0-85224-280-8. Reference page.
Applequist, W.L. 2003. A reassessment of the nomenclature of Matricaria L. and Tripleurospermum Sch. Bip. (Asteraceae). Taxon 51(4): 757–761. DOI: 10.2307/1555032 JSTOR Reference page.
İnceer, H. & Hayırlıoğlu-Ayaz, S. 2014. Tripleurospermum insularum (Asteraceae, Anthemideae), a new species from Turkey. Annales Botanici Fennici 51(1–2): 49–53. DOI: 10.5735/085.051.0106 JSTOR PDFReference page.

Links

Hassler, M. 2021. Tripleurospermum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2021. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2021 February 17. Reference page.
Govaerts, R. et al. 2021. Tripleurospermum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2021 February 17. Reference page.
International Plant Names Index. 2021. Tripleurospermum. Published online. Accessed: 17 February 2021.

Vernacular names
čeština: heřmánkovec
dansk: Kamille
Deutsch: Strandkamillen
English: Mayweeds
suomi: Peltosauniot
français: Matricaire
magyar: Ebszékfű
հայերեն: եռակողասերմիկ
lietuvių: Šunramunis
norsk nynorsk: Balderbråslekta
polski: Maruna
русский: Трёхрёберник
slovenčina: parumanček
svenska: Baldersbrår
中文: 三肋果属

Tripleurospermum is a genus in the chamomile tribe within the sunflower family.[2][3] Mayweed is a common name for plants in this genus.[4]

Most of the species are from Europe and temperate Asia although a few are from North America and North Africa. The species are placed in Matricaria by some authors.[5][6][7]

Plants typically have lobed leaves that are composed of one to three opposite pairs cut almost to the leaf mid rib: they have indehiscent one-celled fruits that have 3-ribs and two resinous glands at the base, Matricaria species are distinguished from these species by lacking fruits with 3-ribs and the two glands.[8]

Species[1][9]

Tripleurospermum ambiguum (Ledeb.) Franch. & Sav. - Heilongjiang, Xinjiang, Kazakhstan, Mongolia, Uzbekistan, Iran, Kyrgyzstan, Altai Krai
Tripleurospermum auriculatum (Boiss.) Rech.f. - Middle East including Egypt + Saudi Arabia
Tripleurospermum callosum (Boiss. & Heldr.) E.Hossain - Turkey
Tripleurospermum caucasicum (Willd.) Hayek - SE Europe + SW Asia from Switzerland to Iran
Tripleurospermum conoclinium (Boiss. & Balansa) Hayek - Greece, Turkey
Tripleurospermum daghestanicum Rupr. ex Boiss. - Daghestan
Tripleurospermum decipiens (Fisch. & C.A Mey.) Bornm. - Turkey, Iran, Caucasus
Tripleurospermum disciforme (C.A.Mey.) Sch.Bip. - central + southwestern Asia
Tripleurospermum elongatum (DC.) Bornm. - Turkey, Georgia
Tripleurospermum fissurale (Sosn.) E.Hossain - Turkey
Tripleurospermum grandiflorum (Hook.) Panigrahi - Arctic Russia
Tripleurospermum heterolepis (Freyn & Sint.) Bornm. - Turkey
Tripleurospermum homogamum G.X.Fu - Xinjiang
Tripleurospermum hygrophilum (Bornm.) Bornm. - Turkey
Tripleurospermum inodorum (L.) Sch.Bip. - Europe, temperate and arctic Asia; naturalized in North America, New Zealand etc., considered a noxious weed in some places
Tripleurospermum kotschyi (Boiss.) E.Hossain
Tripleurospermum lamellatum (Bunge) Rech.f.
Tripleurospermum limosum (Maxim.) Pobed. - China (Hebei, Heilongjiang, Jilin, Liaoning, Inner Mongolia), Japan, Kazakhstan, Korea, Mongolia, Uzbekistan, Russia (Irkutsk, Amur, Khabarovsk, Primorye)
Tripleurospermum maritimum (L.) W.D.J.Koch - Arctic coasts of Eurasia + North America
Tripleurospermum melanolepis (Boiss. & Buhse) Pobed. - Turkey, Caucasus
Tripleurospermum microcephalum (Boiss.) Bornm. - Turkey, Iran, Syria, Lebanon
Tripleurospermum monticola (Boiss. & A.Huet) Bornm. - Azerbaijan, Armenia
Tripleurospermum parviflorum (Willd.) Pobed. - Greece, Ukraine, Crimea, European Russia, Caucasus, Turkey, Iran, Syria, Jordan, Lebanon, Iraq, Turkmenistan, Kazakhstan, Uzbekistan
Tripleurospermum pichleri (Boiss.) Bornm. - Bithynia region of Turkey
Tripleurospermum repens (Freyn & Sint.) Bornm. - Turkey
Tripleurospermum rosellum (Boiss. & Orph.) Hayek - Greece + Turkey including islands
Tripleurospermum sannineum (Thiéb.) Mout. - Lebanon
Tripleurospermum sevanense (Manden.) Pobed. - Turkey, Iran, Armenia
Tripleurospermum subpolare Pobed. - Scandinavia, Baltic States, northern European Russia
Tripleurospermum szovitsii Pobed. - Caucasus
Tripleurospermum tempskyanum (Freyn & Sint.) Hayek - Greece
Tripleurospermum tenuifolium (Kit.) Freyn - Caucasus; southeastern Europe from Germany to Bulgaria
Tripleurospermum tetragonospermum (F.Schmidt) Pobed. - Heilongjiang, Liaoning, Japan, Russian Far East, North Caucasus
Tripleurospermum transcaucasicum (Manden.) Pobed. - Turkey, Georgia, Armenia, Azerbaijan

formerly included[1]

see Heteromera Matricaria Pyrethrum

Tripleurospermum breviradiatum - Matricaria breviradiata
Tripleurospermum fuscatum - Heteromera fuscata
Tripleurospermum philaenorum - Heteromera philaenorum
Tripleurospermum pulchrum - Pyrethrum pulchrum

References

Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-06 at archive.today
Schultz, Carl Heinrich Bipontinus. 1844. Ueber die Tanaceteen: mit besonderer Berücksichtigung der deutschen Arten 31–34
Tropicos, Tripleurospermum Sch. Bip.
"Tripleurospermum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 December 2015.
Flora of North America Vol. 19, 20 and 21 Page 548, Tripleurospermum Schultz-Bipontinus, Tanaceteen. 31. 1844.
Flora of China Vol. 20-21 Page 769 三肋果属 san lei guo shu Tripleurospermum Schultz Bipontinus, Tanaceteen. 31. 1844.
Altervista Flora Italilana, Camomilla senza odore, Tripleurospermum inodorum (L.) Sch. Bip. includes photos and distribution maps
"6. Tripleurospermum". Flora of Pakistan. New York & Oxford: Oxford University Press. 207: 33. Retrieved 2008-06-16.
"Tripleurospermum". Index Nominum Genericorum. International Association for Plant Taxonomy. 2006-02-20. Retrieved 2008-06-14.

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