Author: آمنه غلامی 
Tanacetum dumosum Boiss.
Parvin Salehi Shanjani, Sara Nikkhah, Ahmad Hatami and Naser Abdolahi
Natural Resources Gene Bank, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization, Tehran, Iran.
Uploaded at July 2025
Scientific editor: Masoumeh Izadpanah
Seed Storage
The storage behavior of this species is orthodox (desiccation-tolerant seeds), dry to 15-20% eRH, and store at -20°C.
Germination requirements
The seeds of this species are not dormant. Sterilize seeds before placing them on wet germination paper. Place seeds for two weeks at 4 ºC to germinate uniformly. Then germinate under an alternating temperature regime of 15/20 ºC (the higher temperature for 16 hours in light and the lower one for eight hours in dark).
Morphology
Fruit type: Achene
Fruit shape: Subcylindrical, apex truncate, with low crenate corona, without papus, base truncate. Surface longitudinally furrowed, slightly lustrous, dirty cream color
Fruit size: Length 3.05 to 3.06 mm, width 0.45 to 3.56 mm in an accession from Shiraz, Fars, with 1000 seed/fruit weight 0.49 g, which was collected and identified in 2018 by Ahmad Hatami and Naser Abdolahi and is stored in the Natural Resources Gene Bank of Iran with the accession number of 48779.
1000 seed/fruit weight: 0.49 g
Biological features
Life form: Subshrub, perennial, wooden at the base, pubescent. Stems numerus, erect 15 to 20 cm in height
Inflorescence, flower type, and pollination mechanism: Inflorescences solitary capitate; capitulum discoid; florets hermaphrodite, yellow; involucral bracts multiseriate; receptacle flat. Plant monoecious, cross-pollinated. Pollination is carried out by insects and wind.
Time of flowering: Late spring
Time of seed ripening: Early summer
Seed dispersal methods: By seed weight
Geographical distribution: Endemic to Iran, Plant of Irano-Turanian region. Typus from Mountain Dena
Distribution in Iran: Center Chaharmahal and Bakhtiari, Kohgiluyeh and Boyer-Ahmad
Taxonomy
Family: Asteraceae
Genus: Tanacetum
Species: T. dumosum
Persian name: Mina-e denaii
References and Links
Black, M. and Bewley, J.D. 2000. Seed technology and its biological basis. Sheffield Academic Press, 1-419 P.
Bojňanský, V. and Fargašová, A. 2007. Atlas of seeds and fruits of central and East-European flora: the Carpathian Mountains region. Springer, Dordrecht, The Netherlands, 1046 P.
Ghahraman, A. Flore of Iran. Research Institute of Forests and Rangelands with University of Tehran Publication. https://floraofiran.net/index.php.
Mozaffarian, V.A. 1998. Dictionary of Iranian plants names. Farhange Moaser Publisher, Tehran, 671 P.
Mozaffarian V. 2008. Flora of Iran, Asteraceae (Compositae): Tribes Anthemideae and Echinopeae. Institute of Forests and Rangelands Press, Tehran, Iran, Publication No. 59, 443 pp.
Mozaffarian, V.A. 2012. A Pictorial dictionary of botany. Farhange Moaser Publisher, Tehran, 1088 P.
Sharma, O.P. 2009. Plant taxonomy 2E. Tata McGraw-Hill Education, New Delhi, 563 P.
