noxious plant

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• Noxious — may refer to: Poison, substances that can can harm or kill . Noxious weed, a plant designated by the government as injurious to public health, agriculture, recreation, wildlife or property Noxious stimulus, an actually or potentially tissue… …   Wikipedia

• Noxious weed — In 1907 seven hundred cattle were killed overnight in Australia by a poisonous weed.[1] A noxious weed is an invasive species of a plant that has been designated by country, state or provincial, or national agricultural authorities as one that is …   Wikipedia

• Plant defense against herbivory — Poison ivy produces urushiol to protect the plant from herbivores. In humans this chemical produces an allergic skin rash, known as urushiol induced contact dermatitis …   Wikipedia

• noxious — /ˈnɒkʃəs / (say nokshuhs) adjective 1. harmful or injurious to health or physical wellbeing: noxious vapours. 2. morally harmful; pernicious. 3. (of an animal, insect, plant, etc.) declared harmful by statute law for compulsory eradication.… …  

• noxious weed — /nɒkʃəs ˈwid/ (say nokshuhs weed) noun a plant that has been officially designated as harmful to agricultural or horticultural crops, animals or human beings, or the natural environment; usually then prohibited or restricted …  

• Federal Noxious Weed Act of 1974 — The Federal Noxious Weed Act of 1974 (FNWA) became U.S. Public Law 93 629 on January 3rd, 1975, and established a federal program to control the spread of noxious weeds. The Secretary of Agriculture was given the authority to declare plants… …   Wikipedia

• California Native Plant Society — The California Native Plant Society (CNPS) is a California not for profit organization that seeks to increase understanding of California s native flora and to preserve that flora. The CNPS was formed in 1965 in the East Bay. There are currently… …   Wikipedia

• Grass-cloth plant — Grass Grass, n. [OE. gras, gres, gers, AS, gr[ae]s, g[ae]rs; akin to OFries. gres, gers, OS., D., G., Icel., & Goth. gras, Dan. gr[ae]s, Sw. gr[aum]s, and prob. to E. green, grow. Cf. {Graze}.] 1. Popularly: Herbage; the plants which constitute… …   The Collaborative International Dictionary of English

• giant sensitive plant — noun a Northern Hemisphere plant, Mimosa pigra, with fern like sensitive leaves which fold together when disturbed, and pink, wattle like flowers; a noxious weed in Australia. Also, giant sensitive tree …  

• Noisome — Noi some, a. [For noysome, fr. noy for annoy. See {Annoy}.] 1. Noxious to health; hurtful; mischievous; unwholesome; insalubrious; destructive; as, noisome effluvia. Noisome pestilence. Ps. xci. 3. [1913 Webster] 2. Offensive to the smell or… …   The Collaborative International Dictionary of English

• Noisomely — Noisome Noi some, a. [For noysome, fr. noy for annoy. See {Annoy}.] 1. Noxious to health; hurtful; mischievous; unwholesome; insalubrious; destructive; as, noisome effluvia. Noisome pestilence. Ps. xci. 3. [1913 Webster] 2. Offensive to the smell …   The Collaborative International Dictionary of English