• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
What are the parts of a flower?
What are the parts of a flower?

... opens. Located beneath the petals. Collectively they are called the calyx. Form the protective covering of the flower before it opens. Some sepals have spines or chemicals that protect the flower bud from insects and ...
Harvesting Disrupts Biological Control of Leaf Beetles in Short
Harvesting Disrupts Biological Control of Leaf Beetles in Short

... biological control of insect pests. For willows, which are grown as short rotation coppice crops harvested every 3rd to 5th year, it has been suggested that high plant quality in the re-sprouting shoots after harvesting may explain observed high densities of herbivorous insects, especially leaf beet ...
Lecture 25: Trophic Cascades The world is GREEN (Hairston et al
Lecture 25: Trophic Cascades The world is GREEN (Hairston et al

... Terrestrial vs. Aquatic Systems Strength of Cascades (Shurin et al. 2002): • Strongest in lentic & marine benthos • Weakest in marine plankton & terrestrial • Effects on herbivores stronger than on plants ...
Document
Document

... Purple loosestrife is a perennial species that over-winters as a stem base. Plants are composed of numerous angled stems that grow to over 6 feet (Figure 1). The leaves are lance shaped with fine hairs, and are attached directly to the stems without petioles. Leaves can be opposite, whorled, or spir ...
the nursery - World Agroforestry Centre
the nursery - World Agroforestry Centre

... attached to the parent plant. The rooted stem is then detached to become an independent t plant growing on its own roots. Layering is mainly used for the following  Propagation of plants whose cuttings do not root easily  Production of large sized plants in a short time  Production of plants with ...
The upper canopy
The upper canopy

... canopies that grow above the forest. Because emergents are exposed to drying winds, they tend to have very small leaves. This is an adaptation similar to what you would find in the desert, and it is helpful in conserving water for the plant. ...
Structure Review Part 2
Structure Review Part 2

... D. always have a symbiotic relationship with bacteria E. grow in the air, not in soil 6. The function of the casparian strip is to__. A. channel water into vascular tissue B. increase surface area for absorption C. form a symbiotic relationship with fungi D. absorb water from the atmosphere E. ancho ...
Resource - The Stewardship Network
Resource - The Stewardship Network

... next page) is the highly invasive biennial. Imported from Europe to the East Coast as an herb, it had spread to Michigan by the 1950s. Garlic mustard leafs out early and has a longer growing season than our native wildflowers. It blooms in May-June and then seeds profusely in July. Mustard plants pr ...
Study Guide Chapter 3 and 4: Ecosystems Mrs. Bathiany`s and Mrs
Study Guide Chapter 3 and 4: Ecosystems Mrs. Bathiany`s and Mrs

... abiotic factor—nonliving things in an ecosystem (water, sun, air, rocks) ecosystem—biotic and abiotic factors of an environment that work together habitat—place to live population—all the members of a species that live in an ecosystem (only one kind of animal) biome—a large ecosystem that has its ow ...
Plant architecture
Plant architecture

... growth, and the shoot segment that is formed by an individual lateral meristem before it itself terminates is called a sympodial unit (Schmitz and Theres, 1999). The related solanaceous species tobacco, tomato and petunia establish different body plans because of their varying basic sympodial growth ...
Hypochaeris radicata
Hypochaeris radicata

... Beckwith, Brenda. 2005. Personal communication. Ethnoecologist, University of Victoria, Victoria, BC. March 18, 2005. Douglas, G. W., G. B. Straley, D. V. Meidinger, and J. Pojar (eds.). 1998. Illustrated Flora of British Columbia, Volume 1: Gymnosperms and Dicotyledons (Aceraceae through Asteraceae ...
Plant Names
Plant Names

... Next ...
Mader/Biology, 11/e – Chapter Outline
Mader/Biology, 11/e – Chapter Outline

... d. Spores produced within the capsule of the gametophyte are disseminated by wind. B. Hornworts 1. Hornworts are photosynthetic, but also have a symbiotic relationship with cyanobacteria, which can fix atmospheric nitrogen. 2. The small sporophytes of a hornwort look like tiny green broom handles an ...
Photosynthesis
Photosynthesis

... Compound fruits develop from several individual ovaries Aggregate Fruits - Ovaries are from a single flower - Blackberry ...
Plant Diversity II
Plant Diversity II

... Ginkgo biloba only surviving species  Ornamental species, but only males planted due to seed odor ...
Secondary succession
Secondary succession

... – Cause loss of species ...
Plant Propagation - The University of Arizona Extension
Plant Propagation - The University of Arizona Extension

... Start seeds at proper time  Plant at the proper depth  Legumes should be inoculated  Cover seed with appropriate material: perlite, vermiculite, sand  Pre-germination is a good way to start tomatoes, peppers, and other plants that need an early start ...
General Plant Life Cycle
General Plant Life Cycle

... – Dominant stage – Sporangia produces ...
lecture handout - pdf file
lecture handout - pdf file

... discussed. Topics covered in this lecture will be 1) the cell and its components, 2) tissue and its systems, 3) anatomical regions, 4) morphological structures of roots, shoots, leaves, flowers and seeds. I. THE CELL Cell - the structural unit of plants Cytology - the study of cells concerning their ...
exhibit 2 management strategies for secondary invasive weeds
exhibit 2 management strategies for secondary invasive weeds

... Russian knapweed has a silvery green appearance, growing up to 3 feet tall. Rosette leaves are lobed and about 3-5 inches long. Stem leaves are linear, not toothed, and about 1 to 2 inches long. Flowers appear in May to June and occasionally late summer. They are purple and about ½ inch in diameter. ...
Kingdom Plantae
Kingdom Plantae

... vascular tissues xylem and phloem, they do not have true roots, true stems, or true leaves. Thus, bryophytes must remain small, and water must be readily available for absorption through surface tissues and as a transport medium for sperm. ...
2017 Spring Plant Sale - Loudoun County Master Gardeners
2017 Spring Plant Sale - Loudoun County Master Gardeners

... green leaves and purple veining. Impressive tall spikes of lavender pink flowers are present all summer. Not as strong flavored as most basils, with a hint of camphor. Great container plant. Adapts well to indoor conditions so can be overwintered by bringing plant in or making cuttings in fall. ...
2.9 - 2.11.16 There Once Was a Time video and notes
2.9 - 2.11.16 There Once Was a Time video and notes

... Howard Heinz and Richard Beatty Mellon headed the Great Pittsburgh Parks association that began in October of 1931. In 1945, the Greater Pittsburgh Parks Association purchased its first park. McConnells Mill. In 1952, The Greater Pittsburgh Parks Association became known as Western Pennsylvania Cons ...
Rick Iverson - Managing Mile-a-Minute Vine (Persicaria perfoliata)
Rick Iverson - Managing Mile-a-Minute Vine (Persicaria perfoliata)

... Sites initially reported by D. Poindexter ...
Poinsettia Care Poinsettias are the traditional Christmas plant, and
Poinsettia Care Poinsettias are the traditional Christmas plant, and

... Poinsettias are the traditional Christmas plant, and with the introduction of long-lasting cultivars during the past several years, its popularity has increased. It was introduced to the United States in 1825 by Joel Robert Poinsett, first U.S. Ambassador to Mexico who obtained plants from the wilds ...
< 1 ... 338 339 340 341 342 343 344 345 346 ... 766 >

Perovskia atriplicifolia



Perovskia atriplicifolia (/pəˈrɒvskiə ætrɪplɪsɪˈfoʊliə/), commonly called Russian sage, is a flowering herbaceous perennial plant and subshrub. Although not a member of Salvia, the genus of other plants commonly called sage, it is closely related to them. It has an upright habit, typically reaching 0.5–1.2 m (1 ft 8 in–3 ft 11 in) tall, with square stems and gray-green leaves that yield a distinctive odor when crushed, but it is best known for its flowers. Its flowering season extends from mid-summer to as late as October, with blue to violet blossoms arranged into showy, branched panicles.Native to the steppes and hills of southwestern and central Asia, it was introduced to cultivation by Vasily Perovsky in the 19th century. Successful over a wide range of climate and soil conditions, it has since become popular and widely planted. Several cultivars have been developed, differing primarily in leaf shape and overall height; 'Blue Spire' is the most common. This variation has been widely used in gardens and landscaping. P. atriplicifolia was the Perennial Plant Association's 1995 Plant of the Year, and the 'Blue Spire' cultivar received the Award of Garden Merit from the Royal Horticultural Society.The species has a long history of use in traditional medicine in its native range, where it is employed as a treatment for a variety of ailments. This has led to the investigation of its phytochemistry. Its flowers can be eaten in salads or crushed for dyemaking, and the plant has been considered for potential use in the phytoremediation of contaminated soil.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report