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Morphological and Anatomical study Morphological characteristics were determined from fresh and herbarium materials. The taxonomic description of the plant was carried out according to Flora of Turkey and the East Aegean Islands(Mill, 1982) and was also confirmed by the herbarium samples of deposited species in VANF. An Olympus SZX12
The genus Ziziphus Mill. is a member of the Family Rhamnaceae and comprises of ca. 170 species distributed in tropical and subtropical regions. The species in the genus are of economic and medicinal importance. This study was conducted to identify the members of the genus in Saudi Arabia as well as morphological features that show delimitation in the genus.
ples of Ziziphus plants were collected from the field. A twig of 24 cm which contained both floral and vegetative part was collected from each plant and was pressed immediately in the field to maintain the morphological features such as fruit, flower and leaves of the plant for the analysis. The specimens were identi-fied in the herbarium.
According to the morphological description of various species of Lamium by Mill (1982), the calyx in this genus is characterized by glandular trichomes. Two main types of glandular hairs, peltate and capitate, can be distinguished by head size and stalk length (Abu-Asab and Cantino, 1987).
Search each specimen or description for the character state in question and punch out the generic name or number listed on the card for each genus having the character state in question. Punch a card for each character state, e.g., if one character state selected is leaves opposite, punch out the names of all genera known to have opposite leaves.
Molecular and morphological identification of Phytophthora species based on the types and other well-authenticated specimens. IDphy was developed to facilitate accurate and efficient identification of Phytophthora to species, using type specimens from the original descriptions for reference wherever possible.IDphy emphasizes species of high economic impact and species of regulatory concern for ...
Jul 07, 2020· Survey cruises by the National Oceanic and Atmospheric Administration (NOAA) in 2016 and 2019 yielded specimens of an undetermined red alga that rapidly attained alarming levels of benthic coverage at Pearl and Hermes Atoll, Papahānaumokuākea Marine National Monument, Hawaiʻi. By 2019 the seaweed had covered large expanses on the northeast side of the atoll with mat-like, extensive .
The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria.
The taxonomical description of the species followed Mill (1982). Morphological measurements were based on 15-20 plant specimens. Anatomical studies were carried out .
Detailed morphological description and leaf anatomical properties are provided. Capitate glandular and nonglandular trichomes, and also epicuticle hairs have been observed in the leaf surfaces of...
Plant morphology is a field of study dealing with the external and gross internal structure of plant organs. Morphology intergrades somewhat with plant anatomy, which is the study of tissue and cell structure of plant. Morphology forms the basis of taxonomic descriptions and generally constitutes the most important data in delimiting and ...
Several morphological characters of the naturalized specimens have changed: they are smaller in habit, leaf and fruit sizes, and have more hairy indumenta relative to the cultivated field populations. Similar morphological changes have been observed in some herbarium specimens such as Balls 1139, Rechinger 1937: 1801 and D. Herr s.n. 1769
Herbarium, collection of dried plant specimens mounted on sheets of paper. The plants are usually collected in situ (e.g., where they were growing in nature), identified by experts, pressed, and then carefully mounted to archival paper in such a way that all major morphological characteristics are visible (i.e., both sides of the leaves and the floral structures).
Oak, any of about 450 species of trees and shrubs constituting the genus Quercus in the beech family (Fagaceae), distributed throughout the north temperate zone and at high altitudes in the tropics. Quercus species are characterized by alternate, simple, deciduous or evergreen leaves with .
Abstract. An overview is presented on the taxonomy, nomenclature, and the reproductive morphology of the genus Taxus.The genus has a long history of its species being subjectively decided by geographical distribution patterns for which 7–11 species have been recognized to occur in temperate North America and Eurasia, extending southwards to the higher elevations of tropical southeast ...
A population of Xiphinema chambersi from the root zone around live oak (Quercus iana Mill.) trees on Jekyll Island, GA, is described using both morphological and molecular tools and compared with descriptions of type specimens. Initially, because of a few morphological differences, this nematode was thought to represent an undescribed ...
Legumes of the World. Edited by G. , B. Schrire, B. MacKinder & M. Lock. Royal Botanic Gardens, Kew. (2005) Note. Tribe Cercideae is basally branching in the Leguminosae (Bruneau et al., 2001; Herendeen et al., 2003a), as predicted by Wunderlin et al. (1981), and Cercis is the most basally branching genus in the tribe. While much taxonomic work has been carried out on the tribe in the ...
The following is a defined list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets).The edge of the leaf may be regular or irregular, may be .
Mill. 10.The specimen on which a new species is based is preserved as the type specimen of that specie. Whenever a person describes a new species he indicates the plant on which this description is based and where it has been deposited as the type specimen. Similarly the species on which a new genus is based becomes the type specie at genus.
Plant morphology treats both the vegetative structures of plants, as well as the reproductive structures. The vegetative (somatic) structures of vascular plants include two major organ systems: (1) a shoot system, composed of stems and leaves, and (2) a root system.These two systems are common to nearly all vascular plants, and provide a unifying theme for the study of plant morphology.
Keywords: Opuntia ficus indica (L.) Mill, Germplasm, Morphology, Chemical traits, Variability . 1. Introduction . Native to Latin America, Opuntia ficus indica (L.) Mill. commonly named prickly pear, is a long-domesticated cactus crop that is important in agricultural systems throughout arid and semiarid parts of the world (Anderson,
An animal or plant's morphology also fits to its environment (also called adaptation). The morphology of plants can tell us whether an area was tropical (big leaves) or arid (small leaves), for ...
Taylor is a specialist in the taxonomy and floristics of the large tropical plant family Rubiaceae (quinine & coffee). Much of the work of a taxonomist is identification of specimens arriving from exploration of poorly known areas, to find what grows there; this is how many new species and new morphological adaptations are discovered.
Plant morphology "represents a study of the development, form, and structure of plants, and, by implication, an attempt to interpret these on the basis of similarity of plan and origin". There are four major areas of investigation in plant morphology, and each overlaps with another field of the biological sciences.. First of all, morphology is comparative, meaning that the morphologist ...
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