Did you by any chance mean Vernonia?
Definitions
Century Dictionary and Cyclopedia
- n. A genus of composite plants, type of tribe Vernoniaceæ and Subtribe Euvernonieæ. It is characterized by a polymorphous inflorescence, usually with a naked receptacle, ten-ribbed achenes, and a pappus of two or three series, the inner slender, copious, and elongated, the outer much shorter, often more chaffy, sometimes absent. There are about 500 species. They are chiefly tropical, abundant in America, numerous in Africa, and frequent in Asia. A few occur beyond the tropics, in North and South America and South Africa. One Asiatic species, V. cinerea, is very common also in Australia, and is naturalized in the West Indies. None occurs in Europe. They are shrubs or herbs, usually with straight, crisped, woolly or tangled hairs, rarely stellate or scurfy. The leaves are alternate, entire or toothed, feather-veined, petioled or sessile, but not decurrent; in V. oppositifolia and V. eupatorifolia of Brazil they are opposite. The fruit consists of smooth or hirsute achenes, commonly glandular between the ribs. The flowers are purple, red. bluish, or rarely white; they form terminal flowerheads, which are usually cymose and panicled, or corymbose, sometimes solitary or glomerate. The large section Lepidoploa includes over 200 American species, chiefly with many-flowered subspherical corymbed heads; to this belong the 10 or more species of the United States, which are known as ironweed, perhaps from the hardness of their stems, and are peculiar in their usually crimson flowers, brown or rusty-colored pappus, and resinous-dotted achenes. They are polymorphous, and disposed to hybridize. V. Noveboracensis, also known as flattop, extends north to New England; V. altissima, to Pennsylvania; and V. fasciculata, to Ohio and the Dakotas; the others are chiefly southwestern. V. arborescens is the fleabane of Jamaica. A decoction of V. cinerea is used in India as a febrifuge. The small black seeds of V. anthelmintica, a common annual of India, yield by pressure a solid green oil known as khatzum- or kinka-oil, esteemed of value iu the arts.
WordNet 3.0
- n. any of various plants of the genus Vernonia of tropical and warm regions of especially North America that take their name from their loose heads of purple to rose flowers that quickly take on a rusty hue
Examples
“The one ironwood , vernonia noveboracensis , plant inside the garden produced many flowers.”
“An ointment made of the fruit of the emblica myrabolans soaked in the milky juice of the milk hedge plant, of the soma plant, the calotropis gigantea, and the juice of the fruit of the vernonia anthelmintica, will make the hair white.”
“If a man thickens the juice of the fruits of the cassia fistula, and the eugenia jambolana by mixing them with the powder of the soma plant, the vernonia anthelmintica, the eclipta prostata, and the lohopa-jihirka, and applies this composition to the yoni of a woman, and then has sexual intercourse with her, his love for her will be destroyed.”
“Collaborative efforts have been focused on the vernonia trials at Africa University in Zimbabwe, where research is centered and a seed oil processing facility has been established.”
“The low viscosity of vernonia oil should make it a good solvent in paint manufacture and the highly reactive epoxy group will cause it to become chemically bound in the dried paint rather than evaporating into the atmosphere.”
“Researchers have been working since 1983 to make vernonia a commercial crop in Zimbabwe.”
“There is still much work to be done on market development for vernonia oil, but some progress has been made.”
“I asked Dr. Robert Perdue, who has worked with vernonia for many years, about its weed potential.”
“These insects are two-brooded and the first brood feeds not only on the leaves of the grape, but on tulip, sassafras, vernonia and raspberry.”
“Joel's supervisor Dr Mike Clifford, Associate Professor in the Faculty of Engineering, is working on a number of sustainable materials and technologies including yak wool, recycled banknotes, waste cardboard and vernonia oil - a naturally occurring resin found in Ethiopian plants.”
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