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Aerenchyma in stem cross section of a typical wetland plant. Aerenchyma or aeriferous parenchyma [1] or lacunae, is a modification of the parenchyma to form a spongy tissue that creates spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root. [2]
Sanguineous drainage is abnormal. Hemorrhaging: This type of drainage contains frank blood from a leaking blood vessel. This will require emergency treatment to control the bleed. This type of drainage is abnormal. Purulent drainage: This type of drainage is malodorous and can be yellow, gray, or greenish in color. This is an indication of an ...
Hydrocotyle, also called floating pennywort, [5] water pennywort, [6] Indian pennywort, dollar weed, marsh penny, thick-leaved pennywort and white rot, [7] is a genus of prostrate, perennial [8] aquatic or semi-aquatic plants formerly classified in the family Apiaceae, now in the family Araliaceae.
The rhizosphere is the thin area of soil immediately surrounding the root system. It is a densely populated area in which the roots compete with invading root systems of neighboring plant species for space, water, and mineral nutrients as well as form positive and negative relationships with soil-borne microorganisms such as bacteria, fungi and insects.
Since the first printing of Carl Linnaeus's Species Plantarum in 1753, plants have been assigned one epithet or name for their species and one name for their genus, a grouping of related species. [1] These scientific names have been catalogued in a variety of works, including Stearn's Dictionary of Plant Names for Gardeners.
Quantitative characters are morphological features that can be counted or measured for example a plant species has flower petals 10–12 mm wide. Qualitative characters are morphological features such as leaf shape, flower color or pubescence. Both kinds of characters can be very useful for the identification of plants.
The A to Z of Plant Names: A Quick Reference Guide to 4000 Garden Plants. Portland, Oregon: Timber Press. ISBN 978-1-60469-196-2. Cullen, Katherine E. (2006). Biology: The People Behind the Science. New York, New York: Infobase Publishing. ISBN 978-0-8160-7221-7. Gledhill, David (2008). The Names of Plants. New York, New York: Cambridge ...
The A to Z of Plant Names: A Quick Reference Guide to 4000 Garden Plants. Portland, Oregon: Timber Press. ISBN 978-1-60469-196-2. IPNI (2022). "International Plant Names Index". London, Boston and Canberra: Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; and the Australian National Botanic Gardens