Dorema auchri Boiss.

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Dorema auchri Boiss.

Parvin Salehi Shanjani, Mohammad Reza Pahlavani and Ahmad Pourmirza

Natural Resources Gene Bank, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization, Tehran, Iran.

Uploaded at July 2024

Scientific editor: Mohammad Dadmand

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 dormant. Sterilize seeds before placing them on wet germination paper. Place seeds for two weeks to two month‌ at 4 ºC to germinate uniformly. Then germinate under an alternating temperatures of 20 ºC (16 hours of light) and 15 ºC (8 hours of darkness).

 

Morphology

Fruit type: Schizocarp (schizocarp is an indehiscent dry fruit that consists of two not compressed or compressed lattraly/dorsally carpels called mericarp)

Fruit shape: Mericarps ellipsoid, homomorphic, compressed dorsally, ventral side flat, with a central rib, dorsal side with five filiform ribs, side ribs winged, ‌apex with stylopodium and a remnant of the style.  Surface glabrous, dull, purple brown, ridges and wings pale

Fruit size: Length 5.77 to 7.20 mm, width 3.49 to 4.40 mm in a seed sample from Sardoiyeh, Kerman, with a 1000 seed/fruit weight of 6.5 g, which was collected and identified in 2016 by Ahmad Pourmirza, and is stored in the Natural Resources Gene Bank of Iran with the accession number 46710.

1000 seed/fruit weight: 5-16 g

 

Biological features

Life form: Perennial, herbaceous. Stem erect, 180-250 cm high, glabrous, purplish

Inflorescence, flower type, and pollination mechanism: Inflorescence capitulate simple umbels, axillary, flowers yellowish. ‌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: Seed weight and wind

Geographical distribution: Endemic to Iran. Typus from Isfahan, Iran

Distribution in Iran: Center, West and Southeast. Mostly in the provinces of Isfahan, Kohkiloyeh and Boyer Ahmad, Fars, Kerman and Tehran

 

Taxonomy

Family: Apiaceae

Genus: Dorema

Species: D. aucheri

Persian name: Kandal-e kuhi

 

References and Links

Black, M. and Bewley, J.D. 2000. Seed technology and its biological basis. Sheffield Academic Press, 419 pp.

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 pp.

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 pp.

Mozaffarian, V.A. 2012. A Pictorial dictionary of botany. Farhange Moaser Publisher, Tehran, 1088 pp.

Mozaffarian V. 2008. Flora of Iran, Umbelliferae. Institute of Forests and Rangelands Press, Tehran, Iran, Publication No. 54, 592 pp.

Sharma, O.P. 2009. Plant taxonomy 2E. Tata McGraw-Hill Education, New Delhi, 563 pp.

Category دسته‌بندی نشده
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