Botany Commons^™

Robert Folger Thorne—A Botanical Legacy

Aliso: A Journal of Systematic and Floristic Botany

Robert F. Thorne, distinguished botanist and former curator of the herbarium at Rancho Santa Ana Botanic Garden, left a rich botanical legacy. Contributions featured include a list of his articles appearing in Aliso: A Journal of Systematic and Evolutionary Botany, as well a list of plant taxa named for him.

Patch Burning: Implications On Water Erosion And Soil Properties, Altingul Ozaslan Parlak, Mehmet Parlak, Humberto Blanco-Canqui, Walter H. Schacht, John A. Guretzky, Martha Mamo

Department of Agronomy and Horticulture: Faculty Publications

Patch burning can be a potential management tool to create grassland heterogeneity and enhance forage productivity and plant biodiversity, but its impacts on soil and environment have not been widely documented. In summer 2013, we studied the effect of time after patch burning (4 mo after burning [recently burned patches], 16 mo after burning [older burned patches], and unburned patches [control]) on vegetative cover, water erosion, and soil properties on a patch-burn experiment established in 2011 on a Yutan silty clay loam near Mead, NE. The recently burned patches had 29 ± 8.0% (mean ± SD) more bare ground, 21 …

Presencia De Metales Pesados En La Reserva De La Biosfera Barranca De Metztitlán, Hidalgo, México, Irving Giovanny González-Salazar, Maritza López-Herrera, Scott Monks, Griselda Pulido-Flores

Estudios en Biodiversidad

La Reserva de la Biosfera Barranca de Metztitlán es un área natural protegida por la gran diversidad de flora y fauna existente en la misma. La zona es atravesada por un río de gran longitud que se extiende desde el municipio de Tulancingo hasta su desembocadura en la Laguna de Metztitlán, en la zona núcleo de la reserva. A lo largo del cauce del río se ubican algunos asentamientos humanos y zonas industriales, que vierten aguas residuales domésticas e industriales. Además, el agua del río es un recurso natural utilizado como agua de riego para las zonas agrícolas, que con …

Percepción De Calidad De Vida, Contaminación Y Riesgo En Localidades Rurales Del Municipio De Tecoanapa, Guerrero, Rocío López-Velasco, América Rodríguez-Herrera, Humberto González-González, Branly Olivier-Salomé, Consuelo Montalvo-Marques

Estudios en Biodiversidad

En el presente trabajo se realizó un análisis sobre la percepción de calidad de vida, contaminación y riesgo en nueve comunidades rurales del Municipio de Tecoanapa, Guerrero. Para ello, se seleccionaron nueve comunidades que cumplieran con tres aspectos: rezago social (muy alto, medio y muy bajo); ubicación (cerca de ríos); y vivencias en conflictos y embates ambientales. Se levantó una encuesta a jefes de familia en febrero de 2014. Registrando que el 70% de los habitantes afirmaron tener una buena calidad de vida. Al cuestionarlos sobre contaminación, el 59.9% consideró que si existe y está asociada al agua. El 52.0% …

Plantas Útiles De Tres Municipios (Metztitlán, Atotonilco El Grande Y Huasca De Ocampo) De La Reserva De La Biosfera Barranca De Metztitlán, Hidalgo, México, Miguel Ángel Villavicencio-Nieto, Blanca Estela Pérez-Escandón, Berenice N. López-Gutiérrez

Estudios en Biodiversidad

Existen muy pocos trabajos etnobotánicos realizados en la Reserva de la Biosfera Barranca de Metztitlán, por lo que el objetivo de este estudio fue generar un listado preliminar de plantas útiles de la Reserva. Se aplicaron entrevistas a habitantes de localidades ubicadas en la zona, para colectar las plantas útiles mencionadas se hicieron recorridos de campo en compañía de informantes, posteriormente las especies fueron identificadas con el uso de claves dicotómicas. Se registraron 83 especies de plantas útiles, distribuidas en 39 familias y 20 categorías de uso, siendo la medicinal la mejor representada por número de especies. Conocer el uso …

Reviewers Of Manuscripts, Volumes 32 And 33

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.

Contents 33(2)

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.

Index To Volume 33

Aliso: A Journal of Systematic and Floristic Botany

No abstract provided.

A New Species Of Teucrium Sect. Scordium (Lamiaceae) From Se Of Turkey, Taner Özcan, Tuncay Di̇rmenci̇, Fati̇h Coşkun, Ekrem Akçi̇çek, Özal Güner

Turkish Journal of Botany

A new species of Teucrium L. from Southeast Anatolia (Turkey), Teucrium sirnakense Özcan & Dirmenci, is described and illustrated. The new species belongs to the sect. Scordium Boiss. and is closely related to Teucrium melissoides Boiss. & Hausskn. and Teucrium scordium L. s.l. The differences between the new species and its allies are discussed. A description, distribution map, ITS nrDNA phylogeny, and taxonomic comments on the new species are provided.

Differentiation Of Globular Phytoliths In Arecaceae And Other Monocotyledons: Morphological Description For Paleobotanical Application, Maria Laura Benvenuto, Mariana Fernandez Honaine, Margarita Luisa Osterrieth, Eduardo Morel

Turkish Journal of Botany

Globular phytoliths have been mainly assigned to palms, woody trees, and other monocotyledon families from tropical regions. The lack of detailed descriptions of this phytolith morphology and its correct assignments to particular groups could lead to erroneous interpretations of phytolith records. In order to improve paleobotanical interpretations of phytoliths records, we analyzed the phytolith content and described the quantitative and qualitative characters of globular phytoliths of Arecaceae, Bromeliaceae, Cannaceae, Marantaceae, Orchidaceae, Strelitziaceae, and Zingiberaceae species from Argentina. Phytoliths were extracted by calcination and multivariate analyses were used to analyze their taxonomic relevance. Phytolith assemblages allowed the differentiation 1) among Zingiberales …

Foliar Spray Of Phyto-Extracts Supplemented With Silicon: An Efficacious Strategy To Alleviate The Salinity-Induced Deleterious Effects In Pea (Pisum Sativum L.), Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqueel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez

Turkish Journal of Botany

A pot culture study was conducted to assess the ameliorative effect of silicon, Melia azadirachta leaf extract, and sugar beet root extract, each applied individually or in different combinations, on salinity-induced detrimental effects in pea (Pisum sativum L.). Salinity markedly inhibited the growth, various gas exchange attributes, total phenol contents, membrane stability index, and productivity. On the other hand, lipid peroxidation, electrolyte leakage, H2O2 content, antioxidant activities, and leaf free proline and glycinebetaine contents were significantly enhanced by salinity. However, exogenously applied Si and phyto-extracts markedly alleviated the salinity-induced drastic effects on growth, gas exchange attributes, and productivity. Both phyto-extracts …

Variability Of Plant Species Diversity During The Natural Restoration Of The Subalpine Birch Forest In The Central Great Caucasus, Natalia Togonidze, Maia Akhalkatsi

Turkish Journal of Botany

The northern slopes of the Central Great Caucasus of Georgia were covered by birch (Betula litwinowii) forests in the past, but forest degradation resulted in subalpine secondary meadows. Over the past 20 years birch forest natural reforestation processes have taken place. The aim of this study was to determine the changes in plant species diversity during reforestation. Different habitat types were selected to trace the development of birch forests from subalpine meadows. Species richness was determined in 100 research plots (25 m2 each) of different habitat types. Pioneer succession was distinguished by the highest level of species richness due to …

Metacordyceps Dhauladharensis Sp. Nov., A New Entomopathogenic Fungus From India, Sapan Kumar Sharma, Nandini Gautam

Turkish Journal of Botany

This paper describes a new species of Clavicipitaceae fungi belonging to the genus Metacordyceps G.H. Sung, J.M. Sung, Hywel-Jones and Spatafora, defined as Metacordyceps dhauladharensis sp. Nov., from India. The diagnostic features of this new species are stipitate stromata of brownish color and an elongated fertile head on a Hymenopteran host. The perithecium size of this species was measured as 152-257 × 65-72 µm, and the asci were measured as 30-48 µm in length and 2.5 µm in breadth. Based on molecular studies, the sequence of 469 bp of this species showed only 86% homology with Metacordyceps indigotica (Kobayasi and …

Mechanisms Of Tolerance Differences In Cucumber Seedlings Grafted On Rootstocks With Different Tolerance To Low Temperature And Weak Light Stresses, Yan Li, Xuemei Tian, Min Wei, Qinghua Shi, Fengjuan Yang, Xiufeng Wang

Turkish Journal of Botany

Stresses of low temperature and weak light are major environmental limiters for horticultural production in greenhouses in northern China during winter and early spring. Grafting is regarded as a promising approach to enhance cucumber tolerance to these environmental stresses. However, it is still unclear why cucumber plants grafted on different rootstocks usually exhibit different tolerance. The responses of cucumber (Cucumis sativus L. Cv. 'Xintaimici') seedlings that were grafted on three rootstock cultivars ('Kilameki', 'Tielizhen', and 'Figleaf gourd') to low temperature (5 °C) and weak light (100 µmol m-2 s-1) were investigated in this study. The results showed that, compared to …

Genetic Improvement Of Rice For Biotic And Abiotic Stress Tolerance, Mahmood Ur Rahman Ansari, Tayyaba Shaheen, Shazai Bukhari, Tayyab Husnain

Turkish Journal of Botany

Rice (Oryza sativa L.) is among the most important food crops that provide a staple food for nearly half of the world's population. Rice crops are prone to various types of stresses, both biotic and abiotic. Biotic stresses include insect pests, fungus, bacteria, viruses, and herbicide toxicity. Among abiotic stresses, drought, cold, and salinity are also well studied in rice. Various genes have been identified, cloned, and characterized to combat these stresses and protect rice crops. The identified genes are successfully transformed into rice plants to produce transgenic plants. These transgenic rice plants are being evaluated under field conditions in …

Investigating The Effect Of Stratospheric Radiation On Seed Germination And Growth, B. N. Fong, K. V. Newhouse, M. J. Huss, E. Roberts, J. T. Kennon, H. Ali

Journal of the Arkansas Academy of Science

Three seed types: bean (Phaseolus vulgaris), corn (Zea mays) and radish (Raphanus sativus) were flown in a high altitude weather balloon into the mid-stratosphere to investigate the effects of high altitude radiation on germination success and seedling growth. After recovering and planting the seeds, the bean seeds showed lower germination success with exposure to high altitude radiation, and consequently stunted seedling growth. Cord and radish seeds experienced a statistically significant positive effect on germination success form radiation exposure compared to control seeds, but negative effect on seedling growth. Overall, the field experiments presented here support laboratory studies that show radiation …

Arkansas Endemic Flora And Fauna An Update With 13 Additional Species, H. W. Robison, C. T. Mcallister

Journal of the Arkansas Academy of Science

Arkansas supports a diverse variety of endemic biota with most found in the Interior Highlands (Ozarks and Ouachitas) of the state. Since 1988, several compilations have updated the number of endemics known while some former endemic species have been found in other states and subsequently removed from the state list. Here, update to the list by adding 13 taxa, several of which are fish parasites, making a grand total of 139 current endemic species in Arkansas.

2015 Virginia Wildflower Of The Year: Sweet Pepperbush, Clethra Alnifolia, W. John Hayden

Biology Faculty Publications

Clethra alnifolia is a rhizomatous shrub with aerial stems from 1 to 3 m tall. Leaves are simple, alternate, and bear stellate hairs; petioles are short, 5–10 mm long; leaf blades are obovate to oblong, 5–10 cm long, with relatively blunt apices, cuneate (wedgelike) bases, and margins that are entire toward the base but finely serrate above the middle; venation is pinnate with secondary veins that extend to leaf margins. Stipules are lacking. Flowers are borne on erect terminal racemes that may be solitary or accompanied by additional racemes terminating few-leaved branches arising from upper nodes. Raceme axes and pedicels …

Little Things Reveal The Big Picture, W. John Hayden

Biology Faculty Publications

As enthusiasts who enjoy native plants in natural habitats, we tend to focus on gross morphology— aspects of plant form that can be readily observed with the naked eye or with a hand lens. And there is plenty to see at the gross level. The Flora of Virginia contains 1,269 pages of keys and descriptions devoted to gross morphology of the commonwealth’s botanical treasures. Morphological diversity, however, does not stop at the magnifi cation limit of a hand lens. Light and electron microscopes open up whole new worlds of intricate structure for appreciation and study. And tiny structural details can …

A Utah Flora, Fifth Edition, Revised, Stanley L. Welsh, N. Duane Atwood, Sherel Goodrich, Larry C. Higgins

Books by Faculty of the Monte L. Bean Life Science Museum

Abstract

This is a revised version of a comprehensive treatment of the vascular flora of Utah. All new taxa and distributional records discovered since the publication of the second edition in 2003 are included.

Keys are provided to families, genera, species, and infraspecific taxa (when present). Taxa are described, ecological data is given, and geographical information is provided. County distribution in Utah is given for each species and infraspecific taxon. General geographical information is given for taxa that extend beyond the boundaries of Utah. Chromosome numbers are provided for each taxon, where that information was available in literature.

In the …