Tripleurospermum | |
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Tripleurospermum inodorum | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Subfamily: | Asteroideae |
Tribe: | Anthemideae |
Genus: | Tripleurospermum Sch.Bip. (1844) |
Type species | |
Tripleurospermum inodorum | |
Synonyms [1] | |
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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]
There are approximately 40 species recognised in the genus Tripleurospermum [9] :
The genus is closely related to Heteromera , Matricaria , and Pyrethrum . [1]
Onobrychis, the sainfoins, are a genus of Eurasian perennial herbaceous plants of the legume family (Fabaceae). About 206 species are presently accepted. The Flora Europaea lists 23 species of Onobrychis; the main centre of diversity extends from Central Asia to Iran, with 56 species – 27 of which are endemic – in the latter country alone. O. viciifolia is naturalized throughout many countries in Europe and North America grasslands on calcareous soils.
Marrubium is a genus of flowering plants in the family Lamiaceae, native to temperate regions of Europe, North Africa, and Asia as far east as the Xinjiang region of western China. A few species are also naturalized in North and South America.
Verbascum is a genus of over 450 species of flowering plants, common name mullein, in the figwort family Scrophulariaceae. They are native to Europe and Asia, with the highest species diversity in the Mediterranean.
Scorzonera is a genus of flowering plants in the tribe Cichorieae within the family Asteraceae.
Onopordum, or cottonthistle, is a genus of plants in the tribe Cardueae within the family Asteraceae. They are native to southern Europe, northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia. They grow on disturbed land, roadsides, arable land and pastures.
Anthemis is a genus of aromatic flowering plants in the family Asteraceae, closely related to Chamaemelum, and like that genus, known by the common name chamomile; some species are also called dog-fennel or mayweed. Anthemis are native to the Mediterranean region and southwest Asia east to Iran. A number of species have also become naturalized in the United Kingdom and other parts of the world.
Hedysarum (sweetvetch) is a genus of the botanical family Fabaceae, consisting of about 200 species of annual or perennial herbs in Asia, Europe, North Africa, and North America.
Trigonosciadium is a genus in the family Apiaceae. Trigonosciadium brachytaenium is endemic to Iran, whereas T. tuberosum and T. viscidulum grow in Iran, Anatolia and Iraq.
Anthemideae is a tribe of flowering plants in the family, Asteraceae, and the subfamily Asteroideae. They are distributed worldwide with concentrations in central Asia, the Mediterranean Basin, and southern Africa. Most species of plant known as chamomile belong to genera of this tribe.
Pertya is a genus of Asian flowering plants in the family Asteraceae.
Seseli is a genus of herbaceous perennial plants in the family Apiaceae. They are sometimes woody at base with a conic taproot. Leaf blades are 1–3-pinnate or pinnately decompound. Umbels are compound, with bracts few or absent. Petals are white or yellow, and the fruit ovoid or ellipsoid.
Asyneuma is a genus of flowering plants in the bellflower family, Campanulaceae. They are native to North Africa and Eurasia. Many are endemic to Turkey. Plants of the genus may be known commonly as harebells, but this name can also apply to the entire family. There are up to about 33 species.
Acanthophyllum is a genus of flowering plants in the family Caryophyllaceae with about 75 species, spread in the Irano-Turanian area.
Psephellus is a genus of flowering plants in the family Asteraceae, native to eastern Europe and western Asia. A taxonomic revision reassigned many species from Centaurea to Psephellus.
Semenovia is a genus of flowering plants belonging to the family Apiaceae. It is in subfamily Apioideae and also tribe Tordylieae subtribe Tordyliinae.
Tripleurospermum tenuifolium is a species of daisy in the family Asteraceae and is in the tribe Anthemideae. It ranges from Austria, Hungary, through southeastern Europe to Turkey, and the Caucasus. Its chromosome count is 2n=28.