646 research outputs found
FIGURE 2. Rhamnus pallasii Fisch. & C. A. Mey. subsp. mazandaranica Alijanpoor & Assadi B. mature fruting plant, C in A taxonomic revision of Rhamnus L. and Atadinus Raf. (Rhamnaceae) in Iran
No full textFIGURE 2. Rhamnus pallasii Fisch. & C. A. Mey. subsp. mazandaranica Alijanpoor & Assadi B. mature fruting plant, C. flower and leaf. Photographs of holotype.Published as part of Alijanpoor, Behnaz, Khodayari, Hamed, Assadi, Mostafa, Rahiminejad, Mohammadreza & Mehregan, Iraj, 2021, A taxonomic revision of Rhamnus L. and Atadinus Raf. (Rhamnaceae) in Iran, pp. 127-158 in Phytotaxa 521 (3) on page 138, DOI: 10.11646/phytotaxa.521.3.1, http://zenodo.org/record/554045
FIG. 4 in New species and new synonymy in the genus Gypsophila L. subgenus Pseudosaponaria Williams (Caryophyllaceae)
No full textFIG. 4. — Holotype of Gypsophila farsensis Falat., Assadi & F. Ghahrem., sp. nov. (Mozaffarian 83620, TARI).Published as part of Falatoury, Atiye Nejad, Assadi, Mostafa & Ghahremaninejad, Farrokh, 2016, New species and new synonymy in the genus Gypsophila L. subgenus Pseudosaponaria Williams (Caryophyllaceae), pp. 257-265 in Adansonia 38 (2) on page 261, DOI: 10.5252/a2016n2a9, http://zenodo.org/record/459894
Diversity and taxonomic implications of glands and trichomes in the genus Matthiola W.T.Aiton (Anchonieae; Brassicaceae) in the Flora Iranica area
No full textZeraatkar, Amin, Ghahremaninejad, Farrokh, Khosravi, Ahmad R., Assadi, Mostafa (2022): Diversity and taxonomic implications of glands and trichomes in the genus Matthiola W.T.Aiton (Anchonieae; Brassicaceae) in the Flora Iranica area. Adansonia (3) 44 (23): 303-320, DOI: 10.5252/adansonia2022v44a2
FIG. 6 in New species and new synonymy in the genus Gypsophila L. subgenus Pseudosaponaria Williams (Caryophyllaceae)
No full textFIG. 6. — Scanning electron micrographs (SEM) of pollen grain and seed in: A, B, E, F, Gypsophila platyphylla Boiss. (Assadi & Mehregan 89308); and C, D, G, H, Gypsophila farsensis Falat., Assadi & F. Ghahrem., sp. nov. (without collector 183); A, C, outline of the seeds; B, D, close view of the seed surface from median part of the seed at the position between hilum and abfunicular side; E, G, pollen grain; F, H, detail of ornamentation. Scale bars: A, 1 mm; B, D, 100 µm; C, 500 µm; E-H, 10 µm.Published as part of Falatoury, Atiye Nejad, Assadi, Mostafa & Ghahremaninejad, Farrokh, 2016, New species and new synonymy in the genus Gypsophila L. subgenus Pseudosaponaria Williams (Caryophyllaceae), pp. 257-265 in Adansonia 38 (2) on page 263, DOI: 10.5252/a2016n2a9, http://zenodo.org/record/459894
Phylogeography and population genetics of Acanthophyllum squarrosum complex (Caryophyllaceae) in the Irano-Turanian region
No full textAcanthophyllum squarrosum and two closely related species, A. heratense and A. laxiusculum (Caryophyllaceae), form a complex that covers parts of subalpine steppes of the Irano-Turanian (IT) region. In this study, we explored the genetic structure and phylogeography of this complex based on partial sequences of two chloroplasts (psbA–trnH and rpl32–trnL (UAG)) and two nuclear (EST24 and nrITS) DNA regions. We analysed 80 individuals from eight populations and detected 12 chloroplast haplotypes, 16 and eight nuclear alleles in EST24 and nrITS sequences, respectively. Phylogenetic trees and haplotype networks did not show distinct genetic groups in the complex and this could be explained by incomplete lineage sorting or introgression between species. Divergence time analysis revealed a Quaternary origin for A. squarrosum complex at approximately 1.8 million years ago (Mya) and the neutrality test results indicated that this complex experienced a recent population expansion. AMOVA analysis of the chloroplast regions showed a significant genetic differentiation among populations and low genetic differentiation within populations, but opposite results were found with nuclear markers, implying introgression between A. squarrosum complex populations
Impact of climate change implies the northward shift in distribution of the Irano-Turanian subalpine species complex Acanthophyllum squarrosum
No full textIn this study, we used maximum entropy modeling to predict the climate change effects on the distribution range of a subalpine steppe flora species complex, Acanthophyllum squarrosum (Caryophyllaceae). We used data from four different models, with two representative concentration pathways of climate scenarios in modern time, 2030, 2070 and 2080. Our results showed that A. squarrosum has a suitable habitat in ca. 1 million km² (33% of our study area) and will likely experience a northward shift, gaining new habitat in Azerbaijan, Armenia and North of Afghanistan in the near decades. Maxent model predicts A. squarrosum complex populations from southern Iran to be under treat of extinction, especially at lower altitudes regions and this prediction may concern other subalpine species found in the same region. Among the climatic variables investigated, annual mean temperature, and precipitation of warmest and coldest quarter were those that mostly affected A. squarrosum complex distribution. Keywords: Acanthophyllum, Biodiversity management, Irano-Turanian region, Species distribution modelin
FIGURE 4 in A taxonomic revision of Rhamnus L. and Atadinus Raf. (Rhamnaceae) in Iran
No full textFIGURE 4. Rhamnus ×mehreghanii Alijanpoor & Khodayari A. (Holotypus)Published as part of Alijanpoor, Behnaz, Khodayari, Hamed, Assadi, Mostafa, Rahiminejad, Mohammadreza & Mehregan, Iraj, 2021, A taxonomic revision of Rhamnus L. and Atadinus Raf. (Rhamnaceae) in Iran, pp. 127-158 in Phytotaxa 521 (3) on page 152, DOI: 10.11646/phytotaxa.521.3.1, http://zenodo.org/record/554045
FIGURE 4 in Molecular studies of Iranian populations support the morphology-based taxonomic separation of Medicago rigidula and M. rigiduloides
No full textFIGURE 4. PCoA plot of SSR data in Medicago rigidula and M. rigiduloides populations. For an explanation of populations' abbreviation, see Table 1.Published as part of Bayat, Mitra, Assadi, Mostafa, Small, Ernest & Mehregan, Iraj, 2021, Molecular studies of Iranian populations support the morphology-based taxonomic separation of Medicago rigidula and M. rigiduloides, pp. 281-299 in Phytotaxa 518 (4) on page 291, DOI: 10.11646/phytotaxa.518.4.5, http://zenodo.org/record/549700
FIGURE 2. A–G. Cerastium azerbaijanicum. A. Habit. B. Inner sepal. C. Outer sepal. D in A new species of Cerastium (Caryophyllaceae) from the Kiamaki-Dagh Mountain, Iran
No full textFIGURE 2. A–G. Cerastium azerbaijanicum. A. Habit. B. Inner sepal. C. Outer sepal. D̡E. Petals. F. Pistil. G. Stamen (drawing from the holotype).Published as part of Poursakhi, Katayoun, Assadi, Mostafa, Ghahremaninejad, Farrokh, Nejadsattari, Taher & Mehregan, Iraj, 2013, A new species of Cerastium (Caryophyllaceae) from the Kiamaki-Dagh Mountain, Iran, pp. 22-26 in Phytotaxa 144 (1) on page 25, DOI: 10.11646/phytotaxa.144.1.3, http://zenodo.org/record/510000
Capparis spinosa (Capparaceae); A Survey on Morpho-ecologic Variation for Different Populations of Iran
No full textCapparis spinosa grows naturally from the Atlantic coast of the Canary Islands
and Morocco to the Black Sea, in Crimea and Armenia, and to the east side of
the Caspian Sea in Iran. Capparis species are valuable as a resource for
medicine, food, improving soil fertility, stabilizing dunes, fuel, timber, and
livestock feed. In this research, sixteen populations of Capparis spinosa were
collected from different locations in Iran and quantitative and qualitative data
of morphological characters were revised. A multivariable statistical analysis
was performed for the morphological characters of Capparis populations. The
populations were classified into two main groups using a Ward's hierarchical
clustering method. We showed some of the climatic conditions correlate with
morphological characters. Data obtained were standardized (Mean= 0,
variance= 1) and used to estimate Euclidean distance for clustering and
ordination analyses. PCA (Principal components analysis) was used to identify
the most variable morphological characters among the studied populations. The
Redundancy Analysis (RDA) was applied to the dataset of nine explanatory
environmental variables (annual precipitation and temperature, number of frost
days, relative humidity, potential evapotranspiration, minimum and maximum
absolute temperatures, minimum temperature of the coldest month of the year,
and maximum temperature of the warmest month). In the Flora of Iran and
Flora Iranica C. spinosa and C. sicula are considered as synonyms, which are
improved by this study
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