Practitioners claim citronella oil is a stimulant when inhaled or rubbed on the skin, and an antiseptic that can be used to sterilize food preparation surfaces. Cymbopogon thwaitesii (Hook.f.) Fedorov A, 1974. Sterile spikelets: Basal sterile spikelets well-developed; 2 in lower raceme; 0 in upper raceme; with normal internodes; sessile and pedicelled. Clayton WD; Govaerts R; Harman KT; Williamson H; Vorontsova M, 2014. The principal chemical constituents of citronella, geraniol and citronellol, are antiseptics, hence their use in household disinfectants and soaps. Red List of South African Plants version 2014., Ssegawa P, 2007.
Cymbopogon nardus, common name citronella grass, is a perennial aromatic plant from the family Poaceae, originating in tropical Asia. Technologies for the Rural Sector. Fertile spikelets sessile; 1 in the cluster. USDA-ARS, 2014. Lower glume apex emarginate. This oil is widely used in the perfumery industry.
Upper glume lanceolate; 1-keeled. Wallingford, UK: CABIeMonocot, 2013. eMonocot: An online resource for monocot plants., SANBI, 2005. FLORIDATAbase website.
Lemma of lower sterile floret hyaline. Final Report on Activity 3.4 of Component 3 of the UNEP/GEF-IAS funded Project (NARO): Removing Barriers to Invasive Plant Management in Africa. Implementation of Invasive Plant Prevention and Control Programmes in Uganda. These species are used for the production of citronella oil, which is used in soaps, as an insect repellent (especially mosquitoes) in insect sprays and candles, and in aromatherapy. Ssegawa P, 2007. Spikelet callus pilose; base obtuse; inserted. Basal sterile spikelets equalling fertile. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.
Glumes: Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. McMurtrie SA; Sinton AMR; Winterbourn MJ, 2014.
Due to its competitiveness, C. nardus has the ability to affect diversity and population of other pasture species in grasslands, including Brachiaria decumbens, Themeda triandra and Hyparrhenia filipendula (Ssegawa, 2007). Inflorescence: Synflorescence compound; linear; 15–60 cm long; dense. Light grazing encourages growth, but heavy grazing pressure of one bullock per hectare prevented recolonisation of
Stapf. Lemma apex lobed; 2 -fid; incised 0.5 of lemma length; muticous, or awned; 1 -awned.
Upper glume apex acute. Germplasm Resources Information Network (GRIN). This species yields up to twice as much essential oil as the related Cymbopogon nardus (which is grown mainly in Sri Lanka), and the oil is of better quality Racemes: 2; paired; deflexed; 1–2 cm long. Habit: Perennial; caespitose. Andropogon pseudohirtus Steud.
Control is generally best applied to the least infested areas before dense infestations are tackled. Farmers who cannot afford to continuously remove St. Louis, Missouri, USA: Missouri Botanical Garden. Leaf-blade surface smooth, or scaberulous. Rhachis fragile at the nodes; semiterete; ciliate on margins. When several references are cited, they may give conflicting information on the status.
Invasive alien plants and their management in Africa., Malta: Gutenberg Press Limited. Esther Arengo, National Agricultural Research Laboratories, UgandaOne or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using.Please consider upgrading your browser to the latest version or installing a new browser.More information about modern web browsers can be found at
Burning the grass is also suggested, but Lucid Key Server. Online Database. South America: Caribbean and northern South AmericaThe distribution in this summary table is based on all the information available. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.WebMD does not provide medical advice, diagnosis or treatment.This survey is being conducted by the WebMD marketing sciences department.All information will be used in a manner consistent with the WebMD Willis. Companion sterile spikelet glumes chartaceous; distinctly veined; 3–7 -veined (intercarinal); acute; muticous. CABI, Undated. Pedicels linear; semiterete; ciliate. © Copyright 2020 CAB International. Missouri Botanical Garden, 2014. CABI is a registered EU trademark. Companion sterile spikelets well-developed; male; lanceolate; 3.5–6 mm long; as long as fertile; deciduous with the fertile. CABI Compendium: Status inferred from regional distribution. Invasive alien plants and their management in Africa., Malta: Gutenberg Press Limited. Final Report on Activity 3.4 of Component 3 of the UNEP/GEF-IAS funded Project (NARO): Removing Barriers to Invasive Plant Management in Africa, USDA-ARS, 2014. Cymbopogon claessensii Robyns. Effects of Herbicide on the Invasive grass, Cymbopogon nardus (Franch.).
NARO, 2004. Rhachis internode tip transverse; cupuliform.
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