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In plants of the Asteraceae, what appears to be a single "daisy"-type flower is actually a composite of several much smaller flowers, known as the capitulum or head. By visually presenting as a single flower, the capitulum functions in attracting pollinators , in the same manner that other "showy" flowering plants in numerous other, older ...
Tanacetum coccineum C. coccineum, the Persian chrysanthemum, is a perennial plant native to Caucasus and looks somewhat like a daisy. It produces large white, pink or red flowers. The leaves resemble those of ferns, and the plant grows to between 30 and 60 cm (12 and 24 in) in height. The flowering period is June to July in temperate climates ...
Wasps, small butterflies, and other insects also visit the flowers to a lesser degree, seeking nectar, as well as a few pollen-feeding beetles. [5] Schinia lynx (lynx flower moth) caterpillars feed on the flowers and seeds of annual fleabane and other fleabanes, and Lygus lineolaris (tarnished plant bug) sucks the plant juices. Some mammals eat ...
It appears to be derived from a belief that the dried plants repelled fleas [10] or that the plants were poisonous to fleas. [11] The generic name Erigeron is derived from the Ancient Greek words ἦρι ( êri ) "early in the morning" and γέρων ( gérōn ) "old man", a reference to the appearance of the white hairs of the fruit soon after ...
The plant is economically important as a natural source of an insecticide called "pyrethrum." The flowers are pulverized and the active components, called pyrethrins, contained in the seed cases, are extracted and sold in the form of an oleoresin. This is applied as a suspension in water or oil, or as a powder.
Symphyotrichum novae-angliae (formerly Aster novae-angliae) is a species of flowering plant in the aster family native to central and eastern North America. Commonly known as New England aster, [4] hairy Michaelmas-daisy, [5] or Michaelmas daisy, [6] it is a perennial, herbaceous plant usually between 30 and 120 centimeters (1 and 4 feet) tall and 60 to 90 cm (2 to 3 ft) wide.
Gorteria diffusa is a highly variable, small annual herbaceous plant or rarely a shrublet that is assigned to the daisy family (Compositae or Asteraceae).Like in almost all Asteraceae, the individual flowers are 5-merous, small and clustered in typical heads, and are surrounded by an involucre, consisting of in this case several whorls of bracts, which are merged at their base.
Hoverflies, also called flower flies or syrphids, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers ; the adults of many species feed mainly on nectar and pollen , while the larvae ( maggots ) eat a wide range of foods.
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