Nepeta rivularis Bornm.

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Nepeta rivularis Bornm.

Parvin Salehi Shanjani, Hamideh Javadi, Leila Falah Hoseini, Ahmad Pourmirzaei and Amen Gholami

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

Uploaded at December 2024

Scientific editor: Mohammad Dadmand

Seed Storage

The storage behavior of this species is orthodox (desiccation-tolerant seeds); dry to 15-20 % eRH and stored 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 in 4ºC germinate uniformly. Then germinate under an alternating temperature regime of 15/25‌ ºC (the higher temperature for 16 hours of light and the lower one for 8 hours of dark).

 

Morphology

Fruit type: Achene

Fruit shape: Prolonged Oblong-elliptic, trihedral in cross section, areole short bi-lobed. Surface indistinctly reticulated, glabrous, slight lustrous, black with dark brown spots

Fruit size: Length 1.57 to 1.97 mm, width 0.43 to 0.76 mm in an accession from Bardsir, Kerman with 1000 seed/fruit weight 0.2 g, which was collected and identified in 2019 by Ahmad Pourmirzaei and is stored in the Natural Resources Gene Bank of Iran with the accession number of 48668.

Average 1000 seed/fruit weight: 0.2 g

 

Biological features

Life form: Herbaceous, perennial, pubescent. Stems erect, height 30 to 80 cm

Inflorescence, flower type, and pollination mechanism: Inflorescence spike-like with interrupted verticillasters; flower hermaphrodite, zygomorphic, calyx gamosepalous‌ tubular, 6 mm in long, 2-lipped, upper lip 3-toothed, lower lip 2-toothed, covered with soft hairs and secretory glands; corolla gamopetalous 10 to 12 mm in long, 2-lipped, upper lip 2  separated lobs, lower lip 3-lobed, glabrous, blue. Plant monoecious, cross-pollinated. Pollination is carried out by insects, especially bees.

Time of flowering: Spring

Time of seed ripening: Spring

Seed dispersal methods: Seed weight

Geographical distribution: Endemic to Iran. Typus from Kerman

Distribution in Iran: Center. Mostly in Kerman province

 

Taxonomy

Family: Lamiaceae 

Genus: Nepeta

Species: N. rivularis

Persian name: Pounesa-e jouybari, Pounesa-e lalezari

 

References and Links

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

Bojnanský, V., Fargašová, A. 2007. Atlas of Seeds and Fruits of Central and East-European flora. Published by Springer Dordrecht, The Netherlands. 1046 pp.

Ghahreman, A. 1979-2003. Color flora of Iran. Research Institute of Forests and Rangelands Publishers, Tehran.

Jamzad, Z. 2012. Flora of Iran, No. 76: Lamiaceae. Research Institute of Forests and Rangelands Press,Tehran, Iran, 1066 pp.

Mozaffarian, V.A. 1998. Dictionary of Iranian plants names. Farhange Moaser Publishers, Tehran, 671 pp.

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

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

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