Results 1 to 10 of about 27,037 (195)

Revisión taxonómica del complejo Centaurea alba L. (Asteraceae) en la Península Ibérica [PDF]

open access: yesCollectanea Botanica, 2011
Revisión taxonómica del complejo Centaurea alba L. (Asteraceae) en la Península Ibérica.- Se efectúa la revisión taxonómica del complejo de Centaurea alba L. (Centaurea L. sect. Centaurea) en la Península Ibérica, representado por dos especies, C. alba y
E. López, J. A. Devesa
doaj   +3 more sources

Nomenclature and typification of plant names related to Centaurea aplolepa and C. leucophaea (Asteraceae) from Italy and France [PDF]

open access: yesPhytoKeys
Centaurea aplolepa Moretti and C. leucophaea Jord. (Asteraceae) are endemic to the central-western Mediterranean and include, respectively, ten and six subspecies, mostly occurring in north-western Italy and south-eastern France.
Antonio Giacò, Lorenzo Peruzzi
doaj   +4 more sources

Centaurea sehat-niakii, A New Name for C. deflexa Wagenitz (Asteraceae, Cardueae) [PDF]

open access: yesتاکسونومی و بیوسیستماتیک, 2020
The genus Centaurea is considered as the fourth largest genus belonging to the Asteraceae family that includes ca. 600 species in the world. Due to taxonomic confusions, this genus has recently been divided into four genera: Centaurea s.
Kazem Negaresh
doaj   +1 more source

Centaurea patula (Asteraceae), A Forgotten Species for the Flora of Iran [PDF]

open access: yesتاکسونومی و بیوسیستماتیک, 2018
Centaurea is one of the most complex and largest genera of the family Asteraceae in the World. It is mainly distributed in Europe, the Mediterranean region, and southwest Asia.
Kazem Negaresh
doaj   +1 more source

Assessment of the genetic diversity of a critically endangered species Centaurea amaena (Asteraceae) [PDF]

open access: yesArchives of Biological Sciences, 2022
Centaurea amaena is an endemic and endangered species listed as CR (critically endangered) in Turkey. ISSR markers were used to detect the level of genetic diversity in two natural populations of C. amaena.
Atasagun Bayram
doaj   +1 more source

Comparative Assessment of the Phytochemical Composition and Biological Activity of Extracts of Flowering Plants of Centaurea cyanus L., Centaurea jacea L. and Centaurea scabiosa L.

open access: yesPlants, 2021
The data on the phytochemical composition and biological activity for flowering plant extracts of the genus Centaurea (Knapweed)—cornflower (Centaurea cyanus L.), brown knapweed (Centaurea jacea L.), and greater knapweed (Centaurea scabiosa L.), which ...
Natalia Sharonova   +8 more
doaj   +1 more source

Bio-guided Fractionation of Centaurea bruguierana subsp. belangeriana Extract Based on Anti-Helicobacter pylori Activity [PDF]

open access: yesResearch Journal of Pharmacognosy, 2019
Background and objectives: Centaurea bruguierana subsp. belangeriana (DC.) Bornm. is an annual herb widely distributed in the world. It is used in folk medicine of Iran as an anti-ulcer for gastrointestinal problems.
mahdieh kalkhorani   +6 more
doaj   +1 more source

Quantitative analysis of sesquiterpene lactone cnicin in seven Centaurea species wild-growing in Serbia and Montenegro using 1H-NMR spectroscopy [PDF]

open access: yesJournal of the Serbian Chemical Society, 2007
1H-NMR spectroscopy was applied for the quantitative analysis of cnicin, a bioactive germacranolide type sesquiterpene lactone, in the aerial parts of seven wild-growing Centaurea species collected in Serbia and Montenegro.
Tešević Vele   +6 more
doaj   +1 more source

A review of the subtribe Centaureinae (Asteraceae, Cardueae) in Lithuania with information on new alien species

open access: yesBotanica, 2022
The study’s objective was to overview all Centaureinae species recorded in Lithuania, evaluate the distribution and population state of the newly discovered four alien species and provide information on the residence status, distribution and habitats ...
Zigmantas Gudžinskas
doaj   +1 more source

Establishment, Impacts, and Current Range of Spotted Knapweed (\u3ci\u3eCentaurea Stoebe\u3c/i\u3e Ssp. \u3ci\u3eMicranthos\u3c/i\u3e) Biological Control Insects in Michigan [PDF]

open access: yes, 2018
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek (spotted knapweed) is an invasive plant that has been the target of classical biological control in North America for more than four decades. Work in the western U.S.
Bahlai, C. A, Carson, B. D, Landis, D. A
core   +2 more sources

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