Datura leaf morphology pdf

Pdf morphological, epidermal and anatomical properties. In the case of the single leaf the bud is found in the axil of the leaf and stem. It is a shrubby, annual plant with showy, white flowers. The highest inhibition exerted on the bacteria species by the aqueous extract of the leaf and stem bark was 22 mm, ethanol leaf extract 33mm and stem bark extract 26 mm in contrast to 45 mm displayed by streptomycin positive control antibiotic. There are so many types of leaves in nature, from blades to needles. Antimicrobial activity of ethyl acetate and methanol extracts of. Pollen morphology of some species in the family solanaceae. This is the part where a leaf attaches to the stem.

Although the originally misspelled species name was meant to indicate that the plant was inoffensive, this species like many others in the genus contains alkaloids atropine, hyoscine, and hyoscyamine that are quite poisonous and psychoactive. Also called devils trumpet, thornapple, indian apple, purple datura, garden datura, hornofplenty, chaico blanco, yerba diablo, davids bush, concombre zombi. This work was therefore aimed at assessing the activity of ethanolic seed extract of d. The final products characteristics were studied optical, structural, surface morphology and elemental analysis. Until recently, datura cigarettes were prescribed to asthma sufferers. The pdf pattern contains a full size printable pattern a0 and a4us letter formats and a detailed instruction file. Leaf physiognomy can be regarded as an excellent tool for ecological studies. Pharmacognostic studies on datura metel linnaeus the anatomy of. The pattern envelope contains a full size pattern and a detailed instruction booklet. Datura plants growing in colder zones will require you to move the plant indoors or just let it reseed and start new plants. The plant grows wild all over nigeria especially in moist places anozie 1984.

Antimicrobial property of datura leaf extract against. A few other leaf shapes may also occur among palms. Herein, we report the effects of cement industry emissions o 3, so 2 and no 2 in air, as pollutants, at riyadh city on datura innoxia mill. In most plants, leaves are the major site of food production for the plant. A simple leaf consists of a single blade with entire or incised margin, e.

Version a with triangle cutout neckline, version b with a peter pan collar. Leaf characters in 3 plants belong to family solanaceae. Comparative study on morphoanatomy of leaf, stem and root. India has a great wealth of various naturally occurring plant drugs which have great potential pharmacological activities. Petals, usually brightly coloured to attract insects for pollination. Datura stramonium black datura datura stramonium is a source of a hypnotic drug known as stramonium. Some examples, which with the reclassification of datura spp. Morphoanatomical study of seven plants from the sub. This rather bushy appearing tomato relative displays its striking white flowers.

The dried leaves, flowers and roots were used as narcotic, antispasmodic. Datura stramonium leaf extract on antioxidants and activities. Morphometric analysis of datura plant to understand variation and. Chapter 5 morphology of flowering plants morphology. Cement factory emissions into air cause serious air pollution and affect the plant and animal life in the environment. Its likely origin was in central america, and it has been introduced in many world regions. The anticlinal walls of the epidermal cells have thickening giving the appearance of beads. The fine powder were collected into a sterile aluminum foil and kept in a cool dry place till further use. The morphological, epidermal and anatomical characters of two wild datura taxa leaves grown in sanaa city were investigated. It is an important part of the shoot system and it originates from shoot apical meristems. Morphological, epidermal and anatomical properties of. Flying ointment is used by medieval witches of europe so that they can fly. Flying ointment is used by medieval witches of europe so that.

Datura is a woodystalked, leafy herb growing up to 2 meters. Atelectatic and degenerative effects of datura metel leaf extract on the morphology of the alveolar and hepatic tissues onyije fm 1, ilegbedion ig, digba ka2 1. Recently, the fda has recognized the medicinal uses of datura because of the presence of chemical compounds such as scopolamine and atropine. In this study, we report the synthesis of ag nps by green synthesis process using datura stramonium leaf extract as reducing agent. Jayalaxmi3 1centre for biotechnology, jawaharlal nehru technological university, hyderabad, india. Datura stramonium leaf extract on antioxidants and. It caused maximum inhibition of germination and early seedling growth and fresh weight of parthenium. Antimicrobial property of datura leaf extract against methicillinresistant staphylococcus aureus isolated from urethral and skin suppurative infections b. Chemical constituents and pharmacological properties of. Effects of riyadh cement industry pollutions on some.

It consists of dried leaves and flowering tops of datura metal linn. Dec 08, 2014 datura metal is used in ayurvedic medicine and religious purposes. Datura stramonium medicinal uses, side effects and benefits. Its effects are compared with codeine in persistent cough and all modern bronchodilators in asthma. Any alteration in the structure or function of an organism or any of its part that results from natural selection and by which the organism becomes better fitted to. The shoot system is made up of leaves, stems and fl owers. Semifitted sleeveless blouse with buttoned lower back. It is widely used in asthma, persistence cough and pain disorders. Department of botany, obafemi awolowo university, ileife, osun state, postal codea234, nigeria. To study functional relationships between the effects of solar ultravioletb radiation uvb on different aspects of the physiology of a wild plant, we carried out exclusion experiments in the field with the summer annual datura ferox l. Leaf anatomy in all studied species, the transverse section of leaf showed uniseriate epidermis covered with a thin cuticle. Datura is a genus of nine species of poisonous vespertine flowering plants belonging to the family solanaceae. Most parts of the plant contain atropine, scopolamine, and hyoscyamine.

Generally, leaf base, petiole, and lamina, together form the main parts of a leaf. The structure of a leaf is described below in detail. Pdf foliar anatomy of five taxa of the genus datura is described to identify the anatomic characters that can help distinguish them. Leaves are attached to the stem singly, ascending either on alternate sides of the stalk, or in a spiraling pattern. Result shows the phytochemicals present in the datura inoxia leaf extracts shows flavonoids. Datura leichhardtii, datura metel, datura inoxia and datura wrightii can be differentiated from these two species as their capsules are held on a curved stalk, and they produce brown or yellow seeds. Lets learn more about the morphology of leaves, parts of a leaf, different types of leaves and their modifications. The morphology of the genus datura section stramonium. Different letters per each line means significance difference p. Leaf base has two small leaf like structure called stipules. Phytochemical and antimicrobial property of datura stramonium 140 pestle. Plant anatomy and morphology a horticulturist who does not know the basic anatomy of plants is like is like a nurse that does. Morphological characters including plant height, leaves area and number, fresh and dry weight of shoot and root systems of d. Also, datura leaf extract enhanced production of oh radical and antioxidants including proline.

Antibacterial, phytochemical and antioxidant activities of datura metel akharaiyi, f. Characters solanum dubium datura innoxia datura stramonium leaf length cm 6. Datura metel is one of psychoactive substances of great ethnopharmacological significance often abused because of its unrestricted availability, yet, little is known about its mechanisms of action. However, datura aqueous leaf extract enhanced nadhoxidase ec. This plant is a summer annual about 35 tall that branches dichotomously. It is observed that the leaves of the plants from the. Pdf leaf anatomy of four species and one variety of datura. These attacks are characterized by many factors, but can be identified by the wilting of leaf tips, flowers, and stalks during optimal conditions. Morphological, epidermal and anatomical properties of datura. Stamen morphology the stamens within each cycle are the same stamen number 5 stamen position relative to petals the stamens are lined up with the sepals. Leaves may be simple a single leaf blade or lamina or compound with several leaflets. There are two main systems in a plant, the root system and the shoot system. The studied datura variety has been found to be a cobaltand niceltolerant plant and a probable phytomonitor for these elements in soil.

Allelopathic effects of aqueous leaf extracts of datura. Datura stramonium, known by the common names thorn apple, jimsonweed jimson weed or devils snare, is a plant in the nightshade family. Pdf leaf anatomy of four species and one variety of. The following is a defined list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaf morphology correlates with water and light availability. Datura plants have been studied for their capacity to absorb heavy metals in bioremediation projects. If the bud is located in the axil of a structure containing more than one leaf.

Solanaceae is an annual weed found in most temperate and subtropical. They are commonly known as thornapples or jimsonweeds but are also known as devils trumpets not to be confused with angels trumpets, which are placed in the closely related genus brugmansia. Jimsonweed datura stramonium nightshade family solanaceae description. Datura metel administration distorts medial prefrontal. The phytoconstituents ofdaturawere analysed from various parts of the plant like the leaf,11 root,14 and shoot. The study investigates the significance of pollen morphology in the. Test organism the microorganism used for this study, bacterium. Structures within a leaf convert the energy in sunlight into chemical energy that the plant can use as food. All parts of datura plants contain dangerous levels of tropane alkyloids highly poisonous and may be fatal if ingested by humans or other animals, including livestock and pets. Pollen morphology of some species in the family solanaceae adedeji, o. Leaves are thin, flat organs responsible for photosynthesis in the plants. Morphology leaf characters leaf length, leaf width, leaf apex angle and leaf base angle, leaf length x leaf width and leaf width leaf length are shown in table 2, 3 and 4, radar shapes of the values of these parameters are shown in figures 1, 2 and 3. As i sat there, waiting, my eyes fell upon the plants of datura in the orchard which. A pinnately compound leaf has multiple leaflets attached along a rachis, or axis.

Other english common names include moonflower, devils weed and hells bells. Studying the different shapes and designs of the leaf will also help you to identify a plant. Microbiology department, federal university of technology, p. The plants may lose leaves in winter if left outside in milder climates but spring back in warmer temperatures. Stamens may be epipetalous attach to petals ex, brinjal, datura or epiphyllous attach to perianth tepals are united. Hosseyni department of biology, faculty of natural science, university of tabriz, islamic republic of iran abstract the structure and histogenesis of the stigma of datura stramonium was. For leaf morphology at least five to seven matured. The stems are green or purple and largely hairless, although young stems often have conspicuous hairs. The study of various external features of the organism is known as morphology.

Solar ultravioletb radiation affects seedling dna integrity. Identifying the overall shape of the leaf, the outer edge of the leaf margin and the pattern of leaf veins will help you to identify or key the plant type. Screening of bioactive components of the flower datura metel. The root, stem and leaf are vegetative organs, and the flower, and resultant fruit, is a reproductive organ. Entire leaf or part of the leaf modify into wire like structure. Potted plants need special datura trumpet flower care and annual repotting. According to the composition of the leaf blade, which may be composed of either a single piece or several separated segments or leaflets, leaves are of two types. A palmately compound leaf has all its leaflets attached to a common point. Department of medical laboratory science, faculty of basic medical sciences, college of health sciences, niger delta university, wilberforce island, bayelsa state. Solar ultravioletb radiation affects seedling emergence. It produces spiney seed pods and large white or purple trumpetshaped flowers that face upward. Datura has been used as an ingredient in the ritual practice of zombification in the caribbean and is locally known as zombiecucumber. This reduces the rate of transpiration and help in protection of the plant from animals. Leaf anatomy of four species and one variety of datura solanoidea, solanaceae article pdf available december 2016 with 991 reads how we measure reads.

Datura stramonium is commonly known as jimson weed and is widely used in phytomedicine to treat epilepsy, skin ulcers, etc as well as to kill the microbes associated with wound lesions. Luckily, when i got the chance to write a monograph on a plant, as a part of my syllabus here. Worked against cancer cell of breast specially mcf7 cell line through mtt assay with methanolic extract of leaves and stem of datura spp. Abstract electron microscope examination of leaf surfaces of datura stramonium, d. As few as 10 datura seeds taken orally or one leaf brewed into a tea can produce profound perceptual changes, and 3040 seeds is an extremely potent dose.

Stramonium herb, stramonium leaves, thornapple leaves, devils apple, folia stramonii. In california it is found in the southwestern region, desert regions, centralwestern region, central valley, central and southern sierra nevada, tehachapi mountains, and eastern north coast ranges to an elevation of 7200 feet 2200 m. Today we will focus on the details of the leaves and stems. Sacred thornapple is a native annual or perennial broadleaf. It is an aggressive invasive weed in temperate climates across the world d. Green synthesis of silver nanoparticles using datura. This plant is an annual with nightopening flowers that are pollinated by sphinx moths family sphingidae. Sources, macroscopical character and uses with diagram. The characters by which the dried drug may be recognised. Solar uvb incident over buenos aires reduced daytime seedling emergence, inhibited stem elongation and leaf expansion, and tended to reduce biomass.

Morphological, epidermal and anatomical properties of datura linn. The plant termed as shiva priya, maatula in sanskrit has been reportedly used in folk remedies. Trichomes are plant hairs and are elongated epidermal outgrowths. The results obtained from the morphology of the two studied datura species are typical to the previous studies 6. In this work, in fluence of low b supply on plants morphology and anatomy was studied in turnip brassica rapa l. The antibacterial efficacy of crude aqueous and ethanol extracts leaf, stem bark and roots ofdatura metel at. Morphoanatomical study of seven plants from the sub class.

Thornapple, or datura, is unusual in that it is native to tropical america, but has colonized northwards as far as new england. Leaf morphology angiosperm leaf types simple leaf pinnately compound leaf the position of the bud determines whether the leaf is simple or compound. The edge of the leaf may be regular or irregular, may be smooth or bearing hair, bristles or spines. The geometric measurement of leaf morphology should receive much attention in future because of its ease of measurement and interpretation. Bases on flower colour, three varieties are known namely albawhite, ocillatawhite with pink or carmine red eyes and roseus with rose coloured flowers. Antibacterial, phytochemical and antioxidant activities of. Two common types are the palmately compound leaf and the pinnately compound leaf.