Browsing by Author "Özdemir, C"

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    ANATOMICAL INVESTIGATION OF FOUR TAXA OF SCUTELLARIA ALBIDA L. (LAMIACEAE)
    Minareci, E; Pekönür, S; Özdemir, C; Çiçek, M; Kocabas, O
    The root, trunk and leaf anatomy of four taxa of Scutellaria albida namely, S. albida subsp. albida, S. albida subsp. velenovskyi, S. albida subsp. colchica and S. albida subsp. condensata were examined. The aim is to determine whether these characters can be used for systematic purposes. The roots displays a typical stele structure in all studied taxa. But their number of pith rays are different in each taxa. The stems of S. albida taxa have square like transection, collateral vascular bundles, parenchymatous pith and show 1-2 layered epidermis coated with thick cuticle. S. albida subsp. condensata has papillate epicuticular wax on its stem cuticle layer. In all taxa angular collenchyma, and cambium forming phloem outward and xylem inward are observed. The leaves are hypostomatic, have single rowed epidermis coated with thick cuticle and show dorsiventral mesophyll in all studied taxa. S. albida subsp. velenovskyi has echinate epicuticular wax on its leaf cuticle layer, but the others have smooth cuticle layer. The midrib shows one collateral bundles in all taxa but the shape of median veins of the leaf blade show variation in each taxa. Some of the anatomical characters viz. the number of pith rays of roots, the number of palisade parenchyma layer, plant cuticles covered by wax, the shape of median veins of the leaf blade and stomata index, provide information of taxonomical significance for these taxa.
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    MORPHOLOGICAL, ANATOMICAL AND CYTOLOGICAL STUDIES ON ENDEMIC LAMIUM PISIDICUM
    Baran, P; Özdemir, C
    Morphological and anatomical features of endemic Lamium pisidicum R. Mill (Lamiaceae) were studied. L. pisidicum is a perennial with a taproot system. The stem is ascending to erect in position and clearly quadrangular in shape. The leaves are ovate to broadly ovate or rarely reniform in shape. Verticillasters are 2-14 flowered. The corolla is pinkish-purple to mauve and the upper lip is deeply bifid and the tube is without annulus. The stigma is bifid. The stamens are didynamus. Anatomically, spring and autumn woods are distinguishable in the root structure of the perennial taxon. There is a well-developed collenchymatous layer at the corners of the stem and a pith hollow in the centre. In the petiole cross-section, 1-2 layered collenchyma layer is located at the corners while 3 central vascular bundles are located in the middle and 1 vascular bundle at the petiolar wings. The leaf is bifacial. Each anther is of two thecae and each theca is of 2 pollen sacs. Pollen type is trizonocolpate and pollen shape is spheroidal. The cross-section of seed is triangular. Glandular hairs distributed on the plant species are classified into 2 main types, peltate and capitate. Furthermore, capitate glandular hairs are seperated into 2 types, type I and type II. Somatic chromosomes are counted as 2n=18 for the first time in this study.
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    Structural investigation of the glandular trichomes of endemic Salvia smyrnea L.
    Baran, P; Aktas, K; Özdemir, C
    The morphology, anatomy and distribution of glandular trichomes on the aerial organs of Salvia smyrnea L. endemic to Turkey have been investigated with light microscopy (LM) and scanning electron microscopy (SEM). This species is evaluated in endangered (EN) category. Two morphologically distinct types of glandular trichomes were determined. Various types of capitate glandular trichomes consist of a 1-4 celled base, a 1-8 stalk celled or no stalk and a uni- or bicellular head. In capitate trichomes the neck cell that has an important role especially for xeromorfic plants, acting to prevent the backflow of secreted substance through the apoplast, has been distinctively observed in the investigated species. The capitate trichomes were present abundantly on all aerial organs of S. smyrnea. Peltate glandular trichomes had a large secretory head comprising 1-2 central and 4,6, 8-10 peripheral cells. This study pointed out that S. smyrnea was of rich glandular trichomes in point of diversity and quantity. (C) 2010 SAAB. Published by Elsevier B.V. All rights reserved.
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    Morphological and anatomical studies on two endemic Crocus species of Turkey area
    Özdemir, C; Akyol, Y; Alçitepe, E
    Morphological and anatomical characteristics of Crocus danfordiae Maw and C. fleischeri Gay which are endemic to small areas of Turkey were investigated. C fleischeri has flowers with stained purple at base and on tube, C. danfordiae has anthers with black basal lobes at it's base. These properties are characteristics for the investigated species. In anatomical studies, cross section of C. danfordiae and C. fleischeri root, stein and leaf parts were examined and demonstrated.
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    ANATOMICAL STUDIES IN SALVIA VIRIDIS L. (LAMIACEAE)
    Özdemir, C; Baran, P; Aktas, K
    Anatomical properties of two morphologically distinct forms (Form 1: with violet coma and Form II: without coma or with white, green or pink coma) of Salvia viridis L. have been studied. The analysis provided here studying the cross-sections of root, stem, leaf, petiole, bract, calyx and corolla comprises the first detailed description for the species. The results arc furnished with photographs and drawings. Although no anatomical differences were observed between the forms, S. viridis showed some differences from other Salvia species.
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    Morphological and anatomical investigations on endemic Scutellaria orientalis L. subsp bicolor (Hochst.) Edmund and subsp Santolinoides (Hausskn ex Bornm)
    Özdemir, C; Altan, Y
    Morphological and anatomical characteristics of Scutellaria orientalis L. subsp. bicolor (Hochst.) Edmund and subsp. santolinoides (Hausskn ex Bornm) has been described which will help to distinguish them from each other.
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    MORPHOLOGICAL AND ANATOMICAL STUDIES OF Hippocrepis L. GENUS IN TURKEY
    Yetisen, K; Özdemir, C
    In this study, the morphological and anatomical features were investigated of three taxon of Hippocrepis L. species which spreading naturally in Turkey. In the morphological part of the study, H. unisiliquosa subsp. unisiliquosa's stem is erect or decumbent. The species H. ciliata's Willd. stem is erect. H. multisiliquosa is L. stein is decumbent. The fruit of H. multisiliquosa is much more convoluted than the other two taxa. There are cilia on the fruit of H. ciliata, but there are not found any cilia the other two taxa. The stem anatomy of all the studied taxa is hexagonal. In the stem cross section of H. ciliata 12-14 vascular bundle are found, H. unisiliquosa subsp. unisiliquosa 12-15 and H. multisiliquosa 12-13. Leaf vascular bundles are arranged regularly, H. unisiliquosa subsp. unisiliquosa have 18-20, H. ciliata have 6-8, H. multisiliquosa have 9-13 vascular bundles.
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    The morphological and anatomical properties of Lamium lycium (Lamiaceae), endemic to Turkey
    Baran, P; Özdemir, C
    In this study, the morphological and anatomical features of Lamium lycium Boiss. (Lamiaceae) are described in detail. L. lycium has a perennial tap-root, and the stem is ascending and clearly quadrangular. The leaves are simple and broadly ovate to narrowly ovate in shape. The inflorescense is a verticillate cyme. The corolla is purple and the upper lip is hooded. For anatomy, the cross-sections of root, stem, leaf, petiole, calyx, corolla and generative organs were examined and the anatomical features of the taxon are discussed. The morphological features were in most respects congruent with previous reports. However, the anatomy of L. lycium has not been studied before and the results are here compared with trose of previous studies on other members of Lamiaceae. Furthermore, glandular trichomes are illustrated. The results are presented with photographs and tables.
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    Morphological, anatomical and cytological characteristics of endemic Lilium ciliatum P.H.!Davis (Liliaceae) in Turkey
    Özdemir, C
    Morphological, anatomical and cytological characteristics of endemic Lilium ciliatum P.H. Davis (Liliaceae) were investigated. Colour of flower with a brown centre and finely spotted in upper part of flower are characteristics for Lilium ciliatum. Cross sections of Lilium ciliatum root, stem, bulb, leaf and flower parts were examined division has been used for cytological studies. Counting the metaphase chromosomes at the root tips, the chromosome number of the Lilium ciliatum was found to be 2n= 24.
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    CYTOGENETIC EFFECTS OF 48TITANIUM (48TI) ON MERISTEMATIC CELLS OF ROOT TIPS OF LENS CULINARIS MED.
    Sepet, H; Çanli, M; Özdemir, A; Bozdag, B; Özdemir, C
    Cytogenetic effects of (48)Titanium (Ti-48) on meristematic cells of root tips belonging to the plant (Lens culinaris Medik.) have been Investigated. Seeds of the plant, prepared were kept in Ti-48 standart for different time period as control during 1/4, 1/2, 1, 2, 4, 8, 12, 16, 20, 24 hours. Seeds treated with Ti-48 were made sprout and the root tips obtained were prepared for microscopic examination. At the end of the microscopic examinations, some abnormalities as chromosome breakings, chromosome dispersion, bridge chromosome, chromosome adherence, ring chromosome were observed. Abnormalities were seen at each treatment depended on the time periods. Variety and number of abnormality were usually seen to be increasing, depending on the increase of treatment time. The results obtained were evaluated statistically.
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    Cytological study on Hippocrepis ciliata L. and Hippocrepis unisiliquosa ssp. unisiliquosa L. (Leguminosae) in Turkey
    Yetisen, K; Özdemir, C; Sepet, H
    Somatic chromosome numbers and karyotype of Hippocrepis unisiliquosa ssp. unisiliquosa L. and Hippocrepis ciliata L. (Leguminosae) collected from Turkey were examined. Chromosome numbers were determined as 2n = 2x = 14 in Hippocrepis unisiliquosa ssp. unisiliquosa L. and Hippocrepis ciliata. The mitotic chromosome number and karyotype of the taxa were reported here for the first time.
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    MORPHOLOGY AND ANATOMY OF ENDEMIC THERMOPSIS TURCICA KIT TAN, VURAL & KUCUKODUK
    Özdemir, C; Dural, H; Ertugrul, K; Küçüködük, M; Baran, P; Sanda, MA
    Morphology and anatomy of an endemic plant from Turkey, Thermopsis turcica Kit Tan, Vural & Kucukoduk, belonging to Fabaceae have been investigated. The species had a perennial rhizome, an erect stem and compound leaves consisting of three leaflets. Morphological and anatomical research findings have been presented by photographs, drawings and tables.
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    A MORPHOLOGICAL, ANATOMICAL AND CARYOLOGICAL STUDY ON ENDEMIC ORNITHOGALUM ALPIGENUM STAPF (HYACINTHACEAE)
    Yetisen, K; Özdemir, C
    Ornithogalum alpigenum Stapf is endemic to Turkey. Its morphological, anatomical and caryological properties were investigated. Cross-sections of root, scape and leaf parts of the plant were examined. Raphide were observed in scape cross section. Most of the anatomical properties were similar to the other member of Hyacinthaceae family. Chromosome number was determined as 2n = 2x = 22 in O. alpigenum. The mitotic chromosome number and karyotype of the species are reported for the first time in present study.
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    Cytological study the genus Chesneya Lindl. (Fabaceae) in Turkey
    Sepet, H; Özdemir, C; Bozdag, B
    In the present research, karyotype and meiotic analysis of Chesneya Lindl. species of Turkey were performed. The chromosome numbers and karyotype analysis of the species were here reported for the first time from Turkey. The chromosomes number determined are Chesneya rytidosperma Jaub. & Spach and Chesneya elegans Fomin 2n = 2x = 16.
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    KARYOLOGICAL STUDIES ON SOME PHLOMIS L TAXA (LAMIACEAE)
    Özdemir, C; Durmuskahya, C; Sepet, H; Bozdag, B
    In present study the chromosome number and morphology of some species of the genus Phlomis Linnaeus (Lamiaceae) were investigated using karyological techniques. The seeds of Phlomis grandiflora H. S. Thompson, var. grandiflora and Phlomis lunariifolia Sm. were collected from natural habitats. The chromosome numbers were determined for all species as 2n = 20. The chromosome numbers and karyotype analysis of the species were here reported for the first time from Turkey.
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    The morphological and anatomical characters of Salvia napifolia Jacq. in Turkey
    Baran, P; Özdemir, C
    The morphological and anatomical characters of Salvia napifolia Jacq. of the family Lamiaceae have been investigated. The plant has a perennial taproot, the stem is erect and quadrangular. Leaves are simple, occasionally lyrate, inflorescence is its verticillate cyme, corolla is lilac-white. Stems, leaves, petioles and flowers have glandular and eglandular hairs. In the anatomical research, cross-sections of root, stem, leaf and petiole have been examined. Roots with thick paridems, cortex multilayered sclerenchyma groups above pholoam, cambium not clear, no pith as center of root filled with xylem, distinct pith rays. Stem with collenchymatous hypodermis, sclerenchyma group above vascular bundles, vascular bundles at corners large and lobed, large pith with interrupted pith rays. Leaves with diacytic stomata both on abaxial and adaxial epidermis. Anatomy of petiole, calyx, corolla has also been investigated.
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    Morphological, anatomical and cytological investigation on endemic Lamium moschatum var. rhodium
    Baran, P; Özdemir, C
    In this study, the morphological and anatomical features of endemic Lamium moschatum Miller var. rhodium (Gand.) R. Mill (Lamiaceae) are described in detail. Lamium moschatum var. rhodium has an annual taproot. The stem is erect and clearly quadrangular. The leaves are broadly ovate to cordate-ovate or nearly suborbicular in shape. Inflorescense is verticillate cyme. The corolla is white and the tube is curved and bears an annulus inside, near the base. Cross-sections of the root, stem, petiole, leaf, calyx, corolla and generative organs were examined and the anatomical features of the taxon are discussed. Furthermore, glandular hairs distributed on the plant taxon are shown. In karyological research, chromosome numbers were determined as 2n = 18. The results are presented with photographs and tables.
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    THE MORPHOLOGICAL, ANATOMICAL AND PALYNOLOGICAL PROPERTIES OF ENDEMIC HAPLOPHYLLUM MEGALANTHUM BORNM. (RUTACEAE)
    Akyol, Y; Alçitepe, E; Özdemir, C
    Haplophyllum megalanthum Bornm. which has been included in the list of EN (Endangered) the IUCN threat category was investigated morphologically, anatomically and palynological. Some different morphological characteristics determined from its description given in the Flora of Turkey for the species. The pollen grains were radial symmetrical, isopolar, tricolporate. Pollen shape differed from subprolate to spheroidal.
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    A comparative anatomical study of the genus Puschkinia Adams in Turkey
    Yetisen, K; Yildirim, H; Özdemir, C
    In the study, Puschkinia scilloides Adams, P. bilgineri Yildirim, and P. peshmenii Rix et B. Mathew were compared anatomically. Although the stem vascular bundles were arranged in two rows in P. peshmenii, they can observed in three rows in P. scilloides and P. bilgineri. In addition, some differences were found, such as the metaxylem number in the root, number of vascular bundles in the scape, presence of raphide crystals, and number of protruding epidermis cells at the tip of the leaf. These differences have been found to be taxonomically useful for distinguishing these species. Moreover, similarities and differences between Puschkinia Adams and the taxonomically closely related Scilla L. section Chionodoxa Boiss. and Scilla bifolia L. taxa were also discussed.
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    AN ANATOMICAL STUDY OF Scilla (SCILLOIDEAE) SECTION Chionodoxa AND Scilla bifolia IN TURKEY
    Yildirim, H; Yetisen, K; Özdemir, A; Özdemir, C
    In the present study Scilla luciliae, S. forbesii, S. sardensis, S. siehei, Scilla x allenii and S. bifolia are compared anatomically. Some differences have been found in root, scape, and leaf anatomy of the taxa, and commented. S. luciliae, S. forbesii, S. sardensis and S. siehei have a metaxylem at the center of the root, others have 3-4 number metaxylem. Vascular bundles in two row in S. luciliae and S. forbesii in a single row in S. sardensis, Scilla x allenii and S. bifolia though in three rows in S. siehei. Aerenchyma tissue is present in mesophyll of five taxa leaf except S. sardensis. The anatomical variations in the taxa have been investigated by means of numerical methods (Analysis of variance and Pearson correlation). By the analysis of the investigated taxa from 12 anatomy related characters, it has been also found that the results from numerical analysis of anatomy characters can provide additional evidences, which correspond to the anatomy for the recognition of the taxa.